Minimization of in-pulse phase distortions of microwave power modulators
Abstract
A feasibility study of n-cascade circuits of microwave power modulators based on p-n components, designed to minimize phase-amplitude distortion, is reported. A slowly varying modulating signal amplitude is assumed, so that rise time and complex-valued frequency can be neglected. Short-duration low-amplitude in-pulse phase-modulated (IPPM) radar pulses are employed in investigating the radar returns from extended targets tracked by radars of high range resolution. IPPM pulses gain in importance in coherent processing of radar signals. Two-cascade and three-cascade modulator circuits are studied as examples. Trade-offs in phase modulation level, signal decoupling, and amplitude/phase response are discussed for one-cascade and n-cascade circuits
- Publication:
-
Radioehlektronika
- Pub Date:
- October 1976
- Bibcode:
- 1976Radel..19...38K
- Keywords:
-
- Microwave Equipment;
- Modulators;
- Phase Modulation;
- Radar Echoes;
- Semiconductor Devices;
- Tracking Radar;
- Amplitude Modulation;
- Optimization;
- P-N Junctions;
- Signal Distortion;
- Switching Circuits;
- Electronics and Electrical Engineering