A switching regulator circuit includes a gate driver circuit driving a first switch and a second switch to generate a first voltage at a first node. Further, the switching regulator includes an LC filter circuit responsive to the first voltage to generate a desired output voltage. Moreover, the switching regulator i...

A power-on reset (POR) circuit for generating a POR signal includes a current source to generate an input current. The input current is a supply voltage dependent current. The POR circuit includes a first diode operable to receive the input current to output a first voltage signal. The first diode is electrically co...

A current filter circuit is provided. The current filter circuit comprises a source transistor comprising a drain, a gate, and a source. The source of the source transistor is coupled to a reference voltage terminal, the gate of the source transistor is coupled to the gate of a mirror transistor, and the drain of th...

A circuit for selecting a maximum supply voltage from a first voltage source and a second voltage source is disclosed. The circuit comprises a comparator for comparing the first voltage and the second voltage. Based on the comparison, a first bias signal and a second bias signal are generated for biasing the gate te...

A method for transitioning between Pulse Frequency Modulation (PFM) mode and Pulse Width Modulation (PWM) mode and vice versa, in a switching regulator is disclosed. In PFM mode, load current is estimated based on slope of waveform of the output voltage of the switching regulator. If the load current is greater than...

COMMON SOURCE PREAMPLIFIER FOR A MEMS CAPACITIVE SENSOR A common source preamplifier for a MEMS capacitive sensor is disclosed. The preamplifier is a single-stage amplifier employing negative feedback. The preamplifier provides stable gain independent of temperature and at the same time provides effective buffering...

Disclosed is an adaptive stylus receiver to adaptively determine presence of narrowband interference. The receiver comprises an analog-to-digital converter to digitize an incoming digitally modulated (DM) signal at a predetermined sampling frequency, a digital band pass filter configured to receive digitized DM sign...

Disclosed is an adaptive stylus frontend (100) to identify and update zero force offset pressure codes. The adaptive stylus frontend (100) comprises a high gain instrumentation amplifier (110) configured to receive the analog signal and provide the required gain to the analog signal. The adaptive stylus frontend (10...