JPH0299379U

JPH0299379U -

Info

Publication number: JPH0299379U
Application number: JP805489U
Authority: JP
Priority date: 1989-01-26
Filing date: 1989-01-26
Publication date: 1990-08-08

Description

[Brief explanation of drawings]

第１図はこの考案によるモノパルス受信機の一
実施例の全体構成図、第２図はこの考案によるモ
ノパルス受信機の一実施例のタイミング図、第３
図は従来のモノパルス受信機の全体構成図である
。図において、１はモノパルスアンテナ、２，４
は差チヤンネル用ミキサアンプ、３は和チヤンネ
ルミキサアンプ、５，７は差チヤンネル用増幅器
、６は和チヤンネル用増幅器、８，９は位相検波
器、１０〜１２は加算器、１３，１４は位相可変
器、１５，１６は位相制御回路、１７はゲート回
路、１８はゲート発振器、１９は基準発振器であ
る。なお、図中同一符号部分は同一、又は相当部
分を示す。 FIG. 1 is an overall configuration diagram of an embodiment of a monopulse receiver according to this invention, FIG. 2 is a timing diagram of an embodiment of a monopulse receiver according to this invention, and FIG.
The figure is an overall configuration diagram of a conventional monopulse receiver. In the figure, 1 is a monopulse antenna, 2, 4
is a mixer amplifier for difference channel, 3 is a sum channel mixer amplifier, 5 and 7 are amplifiers for difference channel, 6 is an amplifier for sum channel, 8 and 9 are phase detectors, 10 to 12 are adders, 13 and 14 are variable phase 15 and 16 are phase control circuits, 17 is a gate circuit, 18 is a gate oscillator, and 19 is a reference oscillator. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A mixer preamplifier for the sum channel that inputs the sum signal received by the monopulse antenna,
A sum channel amplifier that amplifies the output signal from this mixer preamplifier, a difference channel mixer amplifier that inputs the two difference signals obtained from the monopulse antenna, and amplifies the output signals from the two difference channel mixer amplifiers. A difference channel amplifier that outputs a difference channel, a phase variable device that varies the phase of the outputs of the two difference channel amplifiers, and the output signals of the sum channel amplifier are input, and the output signals of the two phase variable devices are inputted. two phase detection circuits that detect the phase; a phase control circuit that inputs output signals of the two phase detection circuits and controls the phase variable device;
an oscillator that generates a reference signal, a gate oscillator and gate circuit that creates the timing for inputting the output signal of the oscillator to the mixer amplifier for the sum and difference channels, and a signal obtained by receiving the output of the gate circuit with the monopulse antenna. A monopulse receiver equipped with an adder that adds each sum/difference signal and outputs it to the corresponding mixer amplifier.