Radar transponder

Details Radar transponder Radar transponder

1994-03-01

1995-08-15

Lobo, Ian J.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

Radar transponder only

327131, G01S 1380

Patent

active

054423570

ABSTRACT:
A control circuit of a rader transponder produces pulses when the radar transponder detects a radio wave from a search radar. The pulses are sent to a sweep signal generator in which sawtooth waves are obtained through a first constant current circuit for linearizing the voltage-to-time characteristic in a falling portion of a sawtooth. The sweep signal generator further has a second constant current circuit for linearizing the voltage-to-time characteristic in a rising portion of a sawtooth.

REFERENCES:
patent: 3659115 (1972-04-01), Montogomery
patent: 3851301 (1974-11-01), Demers et al.
patent: 4129868 (1978-12-01), Tahara et al.
patent: 4131807 (1978-12-01), Korver
patent: 4885588 (1989-12-01), Kawakami
patent: 4980689 (1990-12-01), Kawakami
patent: 5065160 (1991-11-01), Kawakami
Y. Kawakami et al., "Frequency Sweep Characteristic of 9GHz Radar Transponder Module", Electric Conference Kansai Branch Meeting 1992, G251 F7-13, 1992.

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