Description:FORM – 2

THE PATENTS ACT, 1970
(39 of 1970)
&
THE PATENTS RULES, 2003

COMPLETE SPECIFICATION
(SEE SECTION 10, RULE 13)

A WIDEBAND AGILE FREQUENCY GENERATOR

BHARAT ELECTRONICS LIMITED

WITH ADDRESS:
OUTER RING ROAD, NAGAVARA, BANGALORE 560045, INDIA

THE FOLLOWING SPECIFICATION PARTICULARLY DESCRIBES THE INVENTION AND THE MANNER IN WHICH IT IS TO BE PERFORMED.
TECHNICAL FIELD
[0001] The present invention relates generally to Ultra-Wideband (UWB) systems. More specifically, the present invention disclosed herein pertains to an innovative Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG), distinguished by its ultra-wideband capability that spans a broad spectrum from C-band to Ku-band frequencies. This invention provides a solution specifically engineered to address the exigent demands for agility, precision, and broad-spectrum operability in contemporary and future ultra-wideband (UWB) systems.
BACKGROUND

[0002] In the realm of technological advancements, there exists a critical and unmet need for radar systems endowed with the capability to alter their operating frequencies dynamically and swiftly. Such a capability is indispensable for ensuring optimal performance in environments characterized by rapidly changing conditions and for evading detection or jamming by adversarial systems.
In the context of Ultra-Wideband (UWB) systems, which are pivotal for a wide array of applications ranging from communication to radar and sensing technologies, there exists a paramount requirement for frequency generators characterized by their agility. Such agile frequency generators are essential for the accurate identification and tracking of radar signals, a capability that is increasingly critical in environments where the electromagnetic spectrum is densely populated or in scenarios where the detection and evasion of tracking radars are of paramount importance..
[0003] CN106788423A titled “A kind of frequency synthesizer module and its spurious filter method” describes a kind of frequency synthesizer module in electronic component field, including: Crystal oscillator, produces a fixed frequency signal; First phase-locked loop chip, it works in Integer N frequency dividing pattern, and built-in VCO, and the fixed reference frequency that crystal oscillator is sent exports adjustable frequency signal as reference frequency; Second phase-locked loop chip, it works in Integer N frequency dividing pattern and fractional-N divide pattern, and built-in VCO, using the adjustable frequency signal of the first phase-locked loop chip output as reference source, and the frequency signal needed for exporting, it is spurious to eliminate the border in the required frequency signal by finely tuning the frequency signal as reference source that the first phase-locked loop chip is exported; The output end of the crystal oscillator is connected with the input of the first phase-locked loop chip, and the output end of the first phase locked loop chip is connected with the input of the second phase-locked loop chip, and its low cost, size are small, applied widely, can be used in modular applications.
[0004] CN205829606U titled “A kind of based on DDS with the frequency synthesizer module of fractional frequency-division phase-locked loop” describes a kind of based on DDS with the frequency synthesizer module of fractional frequency-division phase-locked loop, including Microwave Frequency Synthesizer, it is characterized in that: little stairstep signal generator, X-band local oscillation signal generator, L-band signal generator and Microwave Frequency Synthesizer. This utility model uses DDS to produce the intermediate-frequency signal of little stepping. Use fractional frequency division phase discriminator to improve the reference frequency of phase locked loop, produce the X-band local oscillation signal of Low phase noise. By double conversion, intermediate-frequency signal being first converted to L-band, then is converted to X-band, double conversion all uses wave filter to be filtered, it is ensured that the index of low spurious. Simple in construction, little stepping, Low phase noise, the Microwave Frequency Synthesizer of low spurious can be realized by the method.
[0005] CN212935881U titled “Low-phase-noise frequency synthesizer module capable of rapidly setting frequency” describes a frequency synthesizer module for quickly setting frequency with low phase noise, which comprises two power dividers, a frequency multiplier, a main ring, a preset ring, an I/Q mixer, a variable frequency divider and two filters; the output end of the first power divider is connected with a frequency multiplier, a main ring and a preset ring respectively, the frequency multiplier is connected with a first filter, the first filter is connected with the local oscillator end of an I/Q mixer, and the intermediate frequency port of the I/Q mixer is connected with the input end of a second power divider; the second power divider is connected with the input end of the main ring, the output end of the main ring and the output end of the preset ring are simultaneously connected with the loop switch, the output end of the loop switch is connected with the input end of the second filter, the output end of the second filter is connected with the voltage-controlled oscillator, the output end of the voltage-controlled oscillator is connected with the input end of the variable frequency divider, the output end of the variable frequency divider is divided into two paths, one path is connected with the radio frequency end of the I/Q mixer, and the other path is connected with the preset ring. The utility model discloses a but device wide application in the low phase noise local oscillator etc. Field of in-band mixing.
[0006] US2012/0112806A1 titled “Frequency synthesizer and frequency synthesizing method” relates to a frequency synthesizer comprising a main unit and side unit. The main unit comprises a main phase detector to obtain a main control signal, a main oscillator that generates a main synthesized frequency output signal representing the frequency synthesizer output signal based on said main control signal, and a mixer that mixes said main synthesized frequency output signal with a side synthesized frequency output signal to obtain said mixer output signal. The side unit generates said side synthesized frequency output signal and comprises a frequency signal generation unit that provides a linear frequency sweep signal or a fixed-frequency control signal at a fine frequency resolution from said fixed-frequency side reference signal, and a side oscillator that generates said side synthesized frequency signal based on said frequency sweep signal or said fixed-frequency control signal.
[0007] There is still a need of a technical solution which solves the above defined problems and provide a system and a method that addresses this exigent requirement through the introduction of a novel wideband agile frequency generator. This invention is specifically designed to facilitate the rapid switching of operating frequencies, thereby significantly enhancing the radar system's adaptability, efficacy, and stealth characteristics in diverse operational scenarios.

SUMMARY
[0008] This summary is provided to introduce concepts related to Ultra-Wideband (UWB) systems. The present invention introduces an innovative frequency generator designed for UWB systems. This generator is capable of rapidly adjusting its output frequency, thereby enabling UWB systems to more effectively identify and track radar signals across a broad spectrum. This advancement not only significantly enhances the operational versatility and efficiency of UWB systems but also provides a robust solution to the challenges posed by advanced tracking radars and congested electromagnetic environments.
[0009] In an embodiment of the present invention, an innovative Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG) is disclosed, which is distinguished by its ultra-wideband capability that spans a broad spectrum from C-band to Ku-band frequencies. This invention provides a solution specifically engineered to address the exigent demands for agility, precision, and broad-spectrum operability in contemporary and future ultra-wideband (UWB) systems. The AMOHRFG is ingeniously designed to incorporate state-of-the-art mechanisms for fast frequency hopping, allowing for swift transitions across frequencies to evade detection, interference, and jamming techniques commonly employed in modern electronic warfare and surveillance operations. Furthermore, it boasts high frequency accuracy, a critical feature that ensures the integrity and reliability of communications, radar, and sensing applications by minimizing errors and maximizing the effective use of the electromagnetic spectrum.
[0010] In accordance with one embodiment of the present invention, there is disclosed a wideband agile frequency generator, adept at accommodating at least one reference signal. The inventive frequency generator includes an up-converter module, which is specifically configured to elevate an intermediate band signal to an ultra-wideband output signal. This output signal notably spans the frequency range from C-band to Ku-band, and it is characterized by a remarkable frequency resolution of 100 kHz, thereby ensuring precise frequency modulation and allocation within the specified ultra-wideband spectrum. It further includes a digital signal generator module, ingeniously designed to receive the aforementioned reference signal. Upon reception, this module is responsible for generating an output frequency that resides within the spectrum ranging from L-band to S-band. This output frequency encompasses an intermediate bandwidth, which is substantially broad, measuring several hundred MHz. The breadth of this intermediate bandwidth facilitates the accommodation and processing of a wide array of signal types and communication protocols, thereby enhancing the versatility and applicability of the frequency generator across various technological domains.
[0011] Furthermore, a distinguishing feature of the wideband agile frequency generator, as disclosed herein, is its capability to achieve exceptionally rapid frequency switching at the output. Specifically, the frequency generator is configured to realize frequency switching within an utmost duration of 1 microsecond. This capability underscores the agility of the frequency generator, enabling it to adapt swiftly to changing operational requirements and environmental conditions, thus making it particularly suitable for applications necessitating high-speed signal processing and transmission, such as in advanced radar systems, secure communication networks, and electronic warfare scenarios.
[0012] In a detailed description of the digital signal generator module within the scope of the present invention, the module incorporates the components such as a multi terminal parallel connector and a LAN connector, Radio Frequency (RF) Digital to Analog Converter (DAC), a Programming Device, a High Precision Oscillator. The digital signal generator module is equipped with a multi terminal parallel connector and a Local Area Network (LAN) connector. These connectors serve as interfaces for receiving a plurality of input commands, facilitating versatile and simultaneous command input from multiple sources. A crucial element of the digital signal generator module is the Radio Frequency (RF) Digital to Analog Converter (DAC). This component is meticulously configured to generate the output frequency within the spectrum ranging from L-band to S-band. The RF DAC operates in conjunction with other elements to ensure precise and dynamic frequency generation. An integral part of the digital signal generator module is the programming device. This device is designed to process the received input commands, and its functionality extends to configuring the RF DAC based on the nature and parameters of the received input command. This dynamic configuration capability enhances the adaptability of the digital signal generator module to various operational requirements. Another key component is the high precision oscillator. This oscillator serves as the foundational element for generating a stable and accurate clock signal. The output of the high precision oscillator undergoes a series of operations, including multiplication, amplification, and filtering, to ensure the production of a clock signal with the requisite characteristics. The final stage involves the delivery of the processed clock signal to the RF DAC. The clock signal, derived from the high precision oscillator and subjected to necessary enhancements, serves as a fundamental timing reference for the RF DAC in generating the desired output frequency.
[0013] In another embodiment of the present invention, the up-converter module, a critical component of the wideband agile frequency generator comprises the integral elements such as the reconfigurable band pass filters and multi-stage amplifiers. The up-converter module incorporates a plurality of reconfigurable band pass filters. These filters are specifically configured to effectively suppress any unwanted signals that fall below the sensitivity threshold of ultra-wideband receivers. The capability to reconfigure allows these band pass filters to adapt dynamically to varying frequencies and signal environments, thus maintaining optimal signal integrity and reducing interference across the designated ultra-wideband range. Additionally, the up-converter module is equipped with a plurality of multi-stage amplifiers. These amplifiers are engineered to generate high output power consistently over the ultra-wideband spectrum. The multi-stage design enhances the amplification process, allowing for incremental increase in signal strength while preserving signal fidelity. This is crucial for ensuring that the up-converted signals maintain their integrity and are transmitted effectively over long distances or through challenging environmental conditions.

BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
[0014] The detailed description is described with reference to the accompanying figures.
[0015] Figure 1 illustrates stack up diagram of the Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG), in accordance with an exemplary embodiment of the present invention.
[0016] Figure 2 illustrates the digital module with respect to the clock and reference signal generation path, in accordance with an exemplary embodiment of the present invention.
[0017] Figure 3 illustrates digital module with respect to the RF DAC signal generation path, in accordance with an exemplary embodiment of the present invention.
[0018] Figure 4 illustrates the up-converter module with respect to the up-conversion path, in accordance with an exemplary embodiment of the present invention.
[0019] Figure 5 illustrates the digital module with respect to the input commands and control, in accordance with an exemplary embodiment of the present invention.
[0020] It should be appreciated by those skilled in the art that any block diagrams herein represent conceptual views of illustrative methods embodying the principles of the present invention. Similarly, it will be appreciated that any flow charts, flow diagrams, and the like represent various processes which may be substantially represented in computer readable medium and so executed by a computer or processor, whether or not such computer or processor is explicitly shown.

DETAILED DESCRIPTION
[0021] The various embodiments of the present disclosure describe about an innovative frequency generator designed for UWB systems. This generator is capable of rapidly adjusting its output frequency, thereby enabling UWB systems to more effectively identify and track radar signals across a broad spectrum. This advancement not only significantly enhances the operational versatility and efficiency of UWB systems but also provides a robust solution to the challenges posed by advanced tracking radars and congested electromagnetic environments.
[0022] In the following description, for purpose of explanation, specific details are set forth in order to provide an understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these details. One skilled in the art will recognize that embodiments of the present invention, some of which are described below, may be incorporated into a number of systems.
[0023] However, the apparatuses and methods are not limited to the specific embodiments described herein. Further, structures and devices shown in the figures are illustrative of exemplary embodiments of the present invention and are meant to avoid obscuring of the present invention.
[0024] Furthermore, connections between components and/or modules within the figures are not intended to be limited to direct connections. Rather, these components and modules may be modified, re-formatted or otherwise changed by intermediary components and modules.
[0025] The appearances of the phrase “in an embodiment” in various places in the specification are not necessarily all referring to the same embodiment.
[0026] It should be noted that the description merely illustrates the principles of the present invention. It will thus be appreciated that those skilled in the art will be able to devise various arrangements that, although not explicitly described herein, embody the principles of the present invention. Furthermore, all examples recited herein are principally intended expressly to be only for explanatory purposes to help the reader in understanding the principles of the invention and the concepts contributed by the inventor to furthering the art and are to be construed as being without limitation to such specifically recited examples and conditions. Moreover, all statements herein reciting principles, aspects, and embodiments of the invention, as well as specific examples thereof, are intended to encompass equivalents thereof.
[0027] In an embodiment of the present invention, an innovative Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG) is disclosed, which is distinguished by its ultra-wideband capability that spans a broad spectrum from C-band to Ku-band frequencies. This invention provides a solution specifically engineered to address the exigent demands for agility, precision, and broad-spectrum operability in contemporary and future ultra-wideband (UWB) systems. The AMOHRFG is ingeniously designed to incorporate state-of-the-art mechanisms for fast frequency hopping, allowing for swift transitions across frequencies to evade detection, interference, and jamming techniques commonly employed in modern electronic warfare and surveillance operations. Furthermore, it boasts high frequency accuracy, a critical feature that ensures the integrity and reliability of communications, radar, and sensing applications by minimizing errors and maximizing the effective use of the electromagnetic spectrum.
[0028] In accordance with one embodiment of the present invention, there is disclosed a wideband agile frequency generator, adept at accommodating at least one reference signal. The inventive frequency generator includes an up-converter module, which is specifically configured to elevate an intermediate band signal to an ultra-wideband output signal. This output signal notably spans the frequency range from C-band to Ku-band, and it is characterized by a remarkable frequency resolution of 100 kHz, thereby ensuring precise frequency modulation and allocation within the specified ultra-wideband spectrum. It further includes a digital signal generator module, ingeniously designed to receive the aforementioned reference signal. Upon reception, this module is responsible for generating an output frequency that resides within the spectrum ranging from L-band to S-band. This output frequency encompasses an intermediate bandwidth, which is substantially broad, measuring several hundred MHz. The breadth of this intermediate bandwidth facilitates the accommodation and processing of a wide array of signal types and communication protocols, thereby enhancing the versatility and applicability of the frequency generator across various technological domains.
[0029] Furthermore, a distinguishing feature of the wideband agile frequency generator, as disclosed herein, is its capability to achieve exceptionally rapid frequency switching at the output. Specifically, the frequency generator is configured to realize frequency switching within an utmost duration of 1 microsecond. This capability underscores the agility of the frequency generator, enabling it to adapt swiftly to changing operational requirements and environmental conditions, thus making it particularly suitable for applications necessitating high-speed signal processing and transmission, such as in advanced radar systems, secure communication networks, and electronic warfare scenarios.
[0030] In a detailed description of the digital signal generator module within the scope of the present invention, the module incorporates the components such as a multi terminal parallel connector and a LAN connector, Radio Frequency (RF) Digital to Analog Converter (DAC), a Programming Device, a High Precision Oscillator. The digital signal generator module is equipped with a multi terminal parallel connector and a Local Area Network (LAN) connector. These connectors serve as interfaces for receiving a plurality of input commands, facilitating versatile and simultaneous command input from multiple sources. A crucial element of the digital signal generator module is the Radio Frequency (RF) Digital to Analog Converter (DAC). This component is meticulously configured to generate the output frequency within the spectrum ranging from L-band to S-band. The RF DAC operates in conjunction with other elements to ensure precise and dynamic frequency generation. An integral part of the digital signal generator module is the programming device. This device is designed to process the received input commands, and its functionality extends to configuring the RF DAC based on the nature and parameters of the received input command. This dynamic configuration capability enhances the adaptability of the digital signal generator module to various operational requirements. Another key component is the high precision oscillator. This oscillator serves as the foundational element for generating a stable and accurate clock signal. The output of the high precision oscillator undergoes a series of operations, including multiplication, amplification, and filtering, to ensure the production of a clock signal with the requisite characteristics. The final stage involves the delivery of the processed clock signal to the RF DAC. The clock signal, derived from the high precision oscillator and subjected to necessary enhancements, serves as a fundamental timing reference for the RF DAC in generating the desired output frequency.
[0031] In another embodiment of the present invention, the up-converter module, a critical component of the wideband agile frequency generator comprises the integral elements such as the reconfigurable band pass filters and multi-stage amplifiers. The up-converter module incorporates a plurality of reconfigurable band pass filters. These filters are specifically configured to effectively suppress any unwanted signals that fall below the sensitivity threshold of ultra-wideband receivers. The capability to reconfigure allows these band pass filters to adapt dynamically to varying frequencies and signal environments, thus maintaining optimal signal integrity and reducing interference across the designated ultra-wideband range. Additionally, the up-converter module is equipped with a plurality of multi-stage amplifiers. These amplifiers are engineered to generate high output power consistently over the ultra-wideband spectrum. The multi-stage design enhances the amplification process, allowing for incremental increase in signal strength while preserving signal fidelity. This is crucial for ensuring that the up-converted signals maintain their integrity and are transmitted effectively over long distances or through challenging environmental conditions.
[0032] In another embodiment, the Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG), introduces several novel aspects that distinguish it from existing technologies in the field of frequency synthesis and signal generation. These innovative characteristics includes the capability of AMOHRFG to perform ultra-wideband frequency synthesis, covering a comprehensive range from C-band to Ku-band. Further, the invention is engineered to generate high output power consistently over the entire operational band. Further, AMOHRFG maintains an output power variation within ±2dB across the entire band of operation. This level of consistency in power output is critical for applications that demand uniform performance and reliability, ensuring minimal signal attenuation or distortion throughout the operational spectrum. Further, the system is designed such that spurious signals and harmonics are maintained below the sensitivity level of ultra-wideband receivers, specifically at -60 dBm. Further, a standout feature of AMOHRFG is its high agility, capable of changing the operating frequency within a time period of a microsecond. Further, the system is adept at receiving input operating commands in both parallel mode and Local Area Network (LAN) mode. Further, employing a single composite multi-layer mixed signal Printed Circuit Board (PCB) design, AMOHRFG integrates complex circuitry into a compact and efficient form factor.
[0033] Together, these novel aspects of AMOHRFG underscore its technological advancements and potential impact on the field of frequency generation and signal processing. By offering ultra-wideband frequency synthesis with high output power, minimal power variation, superior signal purity, exceptional agility, versatile control options, and an innovative PCB design, AMOHRFG sets a new standard for performance and flexibility in high-frequency applications.
[0034] In another embodiment of the present invention, the RF DAC is coupled to various channels by using a multiport channel selection module wherein the multiport channels are coupled at a single output by another multiport channel selection module; and these multiport channels are separated by metallic separators.
[0035] In another embodiment of the present invention, the up-converter module and the digital signal generator module are realized on a single multi-layer mixed signal PCB.
[0036] In another embodiment of the present invention, the up-converter module uses multiple frequency multipliers for up-converting the intermediate band signal ultra-wideband output signal ranging from C-band to Ku-band.
[0037] In another embodiment of the present invention, the frequency generator further includes a plurality of blind mate connectors that are arranged in a vertical orientation to pass controls and supply between the up-converter module and the digital signal generator module.
[0038] Figure 1 illustrates stack up diagram of the Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG), in accordance with an exemplary embodiment of the present invention. The stack up diagram of Agile Multi-Octave High Resolution Frequency Generator (AMOHRFG) comprises of two sub modules which include an Up-converter Module (UCM) 101 and a Digital Module (DM) 102. The Digital module is also referred to as the digital signal generator module. The wideband agile frequency generator is adept at accommodating at least one reference signal. The inventive frequency generator includes an up-converter module 101, which is specifically configured to elevate an intermediate band signal to an ultra-wideband output signal. This output signal notably spans the frequency range from C-band to Ku-band, and it is characterized by a remarkable frequency resolution of 100 kHz, thereby ensuring precise frequency modulation and allocation within the specified ultra-wideband spectrum. It further includes a digital signal generator module 102, ingeniously designed to receive the aforementioned reference signal. Upon reception, this module 102 is responsible for generating an output frequency that resides within the spectrum ranging from L-band to S-band. This output frequency encompasses an intermediate bandwidth, which is substantially broad, measuring several hundred MHz. The breadth of this intermediate bandwidth facilitates the accommodation and processing of a wide array of signal types and communication protocols, thereby enhancing the versatility and applicability of the frequency generator across various technological domains.
[0039] Furthermore, a distinguishing feature of the wideband agile frequency generator, as disclosed herein, is its capability to achieve exceptionally rapid frequency switching at the output. Specifically, the frequency generator is configured to realize frequency switching within an utmost duration of 1 microsecond.
[0040] Figure 2 illustrates the digital module with respect to the clock and reference signal generation path, in accordance with an exemplary embodiment of the present invention. The clock and reference signal generation section of the digital module 102 is shown in Fig. 2. A high precision reference oscillator 201 is a part of the digital module 102. A low pass filter 202 which is connected to the output of the reference oscillator 201. Further, an amplifier 203 amplifies the filtered output. A two-way power divider 204 with the reference signal 205 as one output and the other output is connected to a sine to square converter circuit 206, the output of which is a clock signal 207 for the programming device 503 used in the system.
[0041] Figure 3 illustrates digital module with respect to the RF DAC signal generation path, in accordance with an exemplary embodiment of the present invention. The RF DAC signal generation section of the digital module 102 is shown in Fig. 3. The reference signal 205 is filtered using a low pass filter 301. The output of the low pass filter 301 is then amplified using an amplifier302. A multiplier 303 which multiplies the input signal and generates clock signal for RF DAC 304. The RF DAC 304 generates an output frequency of 1 GHz bandwidth in L-band and S-band 305.
[0042] Figure 4 illustrates the up-converter module with respect to the up-conversion path, in accordance with an exemplary embodiment of the present invention. The RF DAC output is connected to an RF switch 401. The RF switch 401 has three outputs. Depending on the control signal received from the programming device 503, particular output is selected. The output of the RF switch 401 is connected to a tunable band pass filter (402 for path 1, 406 for path 2 and 410 for path 3). The output of the tunable band pass filter for path 1, 402, is connected to an amplifier 403 and then connected to a multiplier 404 which is in turn connected to a tunable band pass filter 405. The output of the tunable band pass filter for path 2, 406, is connected to an amplifier 407 and then connected to a multiplier 408 which is in turn connected to a tunable band pass filter 409. The output of the tunable band pass filter for path 3, 410, is connected to an amplifier 411 and then connected to a multiplier 412 which is in turn connected to a tunable band pass filter 413. The output of 405, 409 and 413 are connected to the input of the RF switch 414. The output of the RF switch 414 is C-band to Ku-band 415.
[0043] Figure 5 illustrates the digital module with respect to the input commands and control, in accordance with an exemplary embodiment of the present invention. The programming device 503 takes a clock signal 207. The programming device 503 can take parallel command 501 and a LAN command 502. The programming device 503 programs the RF DAC 304 depending on the command input which is parallel command 501 and a LAN command 502.
[0044] The foregoing description of the invention has been set merely to illustrate the invention and is not intended to be limiting. Since modifications of the disclosed embodiments incorporating the spirit and substance of the invention may occur to person skilled in the art, the invention should be construed to include everything within the scope of the invention.
, Claims:
1. A wideband agile frequency generator that receives at least one reference signal (205), said frequency generator comprising:
an up-convertor module (101) configured to up-convert an intermediate band signal to an ultra-wideband output signal ranging from C-band to Ku-band with a frequency resolution of 100kHz; and
a digital signal generator module (102) configured to receive the reference signal and generates an output frequency in between L-band to S-band having an intermediate bandwidth wherein the intermediate bandwidth is around several hundred MHz,
wherein the wideband agile frequency generator is configured to achieve frequency switching at output of at most 1 micro second.

2. The wideband agile frequency generator as claimed in claim 1, wherein the digital signal generator module (102) further includes:
a multi terminal parallel connector (501) and a LAN connector (502) for receiving a plurality of input commands;
a Radio Frequency (RF) Digital to Analog Converter (DAC) (304) configured to generate the output frequency in between L-band to S-band;
a programming device (503) configured to process the input commands, wherein the programming device configures the RF DAC depending on the received input command;
a high precision oscillator (201), the output of which is multiplied, amplified, filtered and fed as a clock signal to the RF DAC.

3. The wideband agile frequency generator as claimed in claim 1, wherein the up-converter module (101) includes:
a plurality of reconfigurable band pass filters configured to suppress an unwanted signal below a sensitivity level of ultra-wideband receivers;
a plurality of multi-stage amplifiers configured to generate high output power over the ultra-wideband.
4. The wideband agile frequency generator as claimed in claim 2, wherein the RF DAC is coupled to various channels by using a multiport channel selection module wherein the multiport channels are coupled at a single output by another multiport channel selection module; and these multiport channels are separated by metallic separators.
5. The wideband agile frequency generator as claimed in claim 1, wherein the up-converter module (101) and the digital signal generator module (102) are realized on a single multi-layer mixed signal PCB.
6. The wideband agile frequency generator as claimed in claim 1, wherein the up-converter module (101) uses multiple frequency multipliers for up-converting the intermediate band signal ultra-wideband output signal ranging from C-band to Ku-band.
7. The wideband agile frequency generator as claimed in claim 1, wherein said frequency generator further includes a plurality of blind mate connectors that are arranged in a vertical orientation to pass controls and supply between the up-converter module (101) and the digital signal generator module (102).