Diode detector logarithmic receiver

Details Diode detector logarithmic receiver Diode detector logarithmic receiver

1989-04-26

1997-08-12

Hellner, Mark

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

Radar ew

Eccm

342 89, 342 91, G01S 736

Patent

active

056570201

ABSTRACT:
The device, a microwave pulse signal amplifier, includes an input (E), designed to be connected to a wideband reception head (A, H) suitable for picking up pulse emissions, on which continuous emissions can be superposed, a detection stage (1), connected to this input (E), and providing a rectified signal (SP1), and means for processing (2) the rectified signal (SP1) to establish a rectified pulse signal (SP4), rid of at least part of the effects of possible continuous emissions. The level of the continuous emissions is evaluated by a feedback loop (20, 21) activated (22) when there are no pulse emissions, and is subtracted from the level of the rectified signal (SP1).

REFERENCES:
patent: 4431993 (1984-02-01), Van Der Mark
patent: 4509050 (1985-04-01), Amaroso, Jr. et al.
patent: 4529984 (1985-07-01), Devolder et al.
patent: 4688042 (1987-08-01), Cronson et al.

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