CLAIMS
1. A transmission module comprising:
a plurality of oscillator modules each configured to receive a common reference signal and output a corresponding one of a plurality of transmission signals; and
a phase command signal generator configured to separately generate a plurality of phase command signals each corresponding to one of the plurality of transmission signals, and output each of the plurality of phase command signals to a corresponding one of the plurality of oscillator modules,
each of the plurality of oscillator modules including
a voltage controlled oscillator configured to output a corresponding transmission signal of the plurality of transmission signals based on the reference signal and a corresponding phase command signal of the plurality of phase command signals, and
an amplification circuit configured to amplify power of the corresponding transmission signal output from the voltage controlled oscillator,
the voltage controlled oscillator being configured to output the plurality of transmission signals such that, by synchronous control based on the reference signal, the plurality of transmission signals have an equal frequency among the plurality of oscillator modules and have phases separately controlled among the plurality of oscillator modules according to the corresponding phase command signal.
2. The transmission module according to claim 1, wherein
each of the plurality of oscillator modules further includes
a power regulator configured such that a power ratio between an input signal and an output signal can be regulated, and
a detector configured to detect output power from each of the plurality of oscillator modules,
the power regulator is disposed on a signal path through which the

corresponding transmission signal output from the voltage controlled oscillator passes, and
the power ratio of the power regulator is regulated based on a detected value by the detector.
3. The transmission module according to claim 1, wherein
each of the plurality of oscillator modules further includes
a power regulator configured such that a power ratio between an input signal and an output signal can be regulated, and
a detector configured to detect reflected power in each of the plurality of oscillator modules,
the power regulator is disposed on a signal path through which the corresponding transmission signal output from the voltage controlled oscillator passes, and
the power ratio of the power regulator is regulated based on a detected value by the detector.
4. The transmission module according to claim 2, wherein the power regulator is formed of one of a variable gain amplifier and a variable attenuator.
5. The transmission module according to claim 3, wherein the power regulator is formed of one of a variable gain amplifier and a variable attenuator.
6. The transmission module according to claim 1, further comprising an amplitude command signal generator configured to generate a plurality of amplitude command signals each for a corresponding one of the plurality of oscillator modules, and output each of the plurality of amplitude command signals to the voltage controlled oscillator included in a corresponding one of the plurality of oscillator modules, wherein

the voltage controlled oscillator is configured to variably control an amplitude of the corresponding transmission signal according to a corresponding amplitude command signal of the plurality of amplitude command signals.
7. The transmission module according to claim 1, wherein
each of the plurality of oscillator modules further includes
power supply/control circuitry configured to supply electric power and a control signal to a component element in each of the plurality of oscillator modules,
each of the plurality of oscillator modules is implemented by an integrated structure obtained by stacking a first substrate and a second substrate, at least some of circuit elements in the amplification circuit being mounted on the first substrate, and circuit elements in the voltage controlled oscillator and the power supply/control circuitry being mounted on the second substrate, and
the first substrate and the second substrate are spatially separated from each other by (i) a longitudinal wall formed of a conductive member formed on a ground pattern on the first substrate, and (ii) a plate, an input-side connector plate and an output-side connector plate that are used for covering the first substrate.
8. The transmission module according to claim 6, wherein
each of the plurality of oscillator modules further includes
power supply/control circuitry configured to supply electric power and a control signal to a component element in each of the plurality of oscillator modules,
each of the plurality of oscillator modules is implemented by an integrated structure obtained by stacking a first substrate and a second substrate, at least some of circuit elements in the amplification circuit being mounted on the first substrate, and circuit elements in the voltage controlled oscillator and the power supply/control circuitry being mounted on the second substrate, and
the first substrate and the second substrate are spatially separated from each other by (i) a longitudinal wall formed of a conductive member formed on a ground

pattern on the first substrate, and (ii) a plate, an input-side connector plate and an output-side connector plate that are used for covering the first substrate.
9. The transmission module according to claim 2, wherein
each of the plurality of oscillator modules further includes
power supply/control circuitry configured to supply electric power and a control signal to a component element in each of the plurality of oscillator modules,
each of the plurality of oscillator modules is implemented by an integrated structure obtained by stacking a first substrate and a second substrate, at least some of circuit elements excluding the power regulator in the amplification circuit being mounted on the first substrate, and circuit elements in the voltage controlled oscillator, the power regulator and the power supply/control circuitry being mounted on the second substrate, and
the first substrate and the second substrate are spatially separated from each other by (i) a longitudinal wall formed of a conductive member formed on a ground pattern on the first substrate, and (ii) a plate, an input-side connector plate and an output-side connector plate that are used for covering the first substrate.
10. The transmission module according to claim 3, wherein
each of the plurality of oscillator modules further includes
power supply/control circuitry configured to supply electric power and a control signal to a component element in each of the plurality of oscillator modules,
each of the plurality of oscillator modules is implemented by an integrated structure obtained by stacking a first substrate and a second substrate, at least some of circuit elements in the amplification circuit being mounted on the first substrate, and circuit elements in the voltage controlled oscillator and the power supply/control circuitry being mounted on the second substrate, and
the first substrate and the second substrate are spatially separated from each other by (i) a longitudinal wall formed of a conductive member formed on a ground

pattern on the first substrate, and (ii) a plate, an input-side connector plate and an output-side connector plate that are used for covering the first substrate.
11. An array antenna device comprising:
a plurality of transmission modules according to any one of claims 1 to 10; and
a plurality of radiation elements that are arranged,
each of the plurality of radiation elements being provided so as to correspond to one of the plurality of transmission modules, and arranged so as to propagate a corresponding one of the plurality of transmission signals from the plurality of oscillator modules to space.
12. A transmission device comprising:
a plurality of transmission modules according to any one of claims 1 to 10; and a power combiner configured to combine the plurality of transmission signals
from the plurality of transmission modules,
the power combiner being arranged so as to propagate a combined signal to
space.