JPH0346881U

JPH0346881U -

Info

Publication number: JPH0346881U
Application number: JP10697689U
Authority: JP
Priority date: 1989-09-12
Filing date: 1989-09-12
Publication date: 1991-04-30

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示すブロツク図
、第２図は従来の装置の一実施例を示すブロツク
図であり、図において、１……可変利得増幅器Ａ
、２……周波数変換器、３……可変利得増幅器Ｂ
、４……不要波除去フイルタ、５……可変利得増
幅器Ｃ、６……検波回路、７……ビデオ増幅器、
８……ＡＧＣ回路、９……ドライバ回路Ｃ、１０
……ドライバ回路Ｂ、１１……ドライバ回路Ａ、
１２……パワーデバイダ、１３……飽和検出回路
、１４……ＡＧＣ回路である。なお、各図中同一
符号は同一、又は相当部分を示す。 FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing an embodiment of a conventional device.
, 2... Frequency converter, 3... Variable gain amplifier B
, 4...Unwanted wave removal filter, 5...Variable gain amplifier C, 6...Detection circuit, 7...Video amplifier,
8...AGC circuit, 9...Driver circuit C, 10
...Driver circuit B, 11...Driver circuit A,
12...Power divider, 13...Saturation detection circuit, 14...AGC circuit. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A variable gain amplifier A to which the received signal of the radar device is input, a frequency converter which converts this output signal to an intermediate frequency signal, a variable gain amplifier B to which the output signal of this frequency converter is input, and this variable gain A power divider to which the output signal of amplifier B is input and has two output terminals, an unnecessary wave removal filter to which the output signal of one output terminal of this power divider is input, and an output signal of this unnecessary wave removal filter to which the output signal is input. a variable gain amplifier C, a detection circuit to which the output signal of the variable gain amplifier C is input and converts the signal into a video signal, and a detection circuit to which the output signal of the detection circuit is input, one of which has two output terminals; a video amplifier that sends out a signal for signal processing and inputs another output signal to an AGC circuit;
a driver circuit A that controls the gain of the variable gain amplifier A based on the output signal of the AGC circuit;
a driver circuit B controlling the gain of the variable gain amplifier B based on the output signal of the AGC circuit;
a driver circuit C controlling the gain of the variable gain amplifier C based on the output signal of the AGC circuit;
A tracking radar receiver comprising: a saturation detection circuit to which another output signal of the power divider is input, and the output signal is input to the AGC circuit.