Radar Calibrator Circuit

  
This circuit is basically a system that generates a pulsed modulation signal for a Gunn diode microwave oscillator. Several speed settings are preset (S3 a and b). A 555 timer is used with a frequency divider chain to produce Doppler shift equivalents of 25, 35, and 55 rnph,
Radar Calibrator Circuit - schematic

for both X- and D-band radars.




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