Broad band microwave receiver gain calibrator

Details Broad band microwave receiver gain calibrator Broad band microwave receiver gain calibrator

1975-12-22

1977-09-13

Griffin, Robert L.

Oscillators

Relaxation oscillators

331 47, H03B 2100

Patent

active

040485676

ABSTRACT:
Narrow amplitude calibrated pulses are injected into the RF input ports of microwave receivers such as those used for interference and intensity measurements to gain calibrate the receivers. The upper frequency limit of the prior art calibration source is greatly extended by frequency modulating the pulse generator to obtain pulses that vary in repetition rate between 95 and 105 MHz so that beginning with the tenth harmonic, a continuous band of pulses of predetermined amplitude sweeps from 950 MHz up to approximately 18 GHz.

REFERENCES:
patent: 3140454 (1964-07-01), Winston et al.
patent: 3783388 (1974-01-01), Disinger
patent: 3806811 (1974-04-01), Thompson

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