JPS6085411U - Amplitude frequency characteristic correction circuit for RF signal detection output - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案によるＲＦ信号検波出力の振幅周波数特
性補正回路の実施例を示す回路図である。 １・・・ＲＦ信号、２・・・ＲＦ検波器、３・・・非直
線・直線特性変換回路、４・・・周波数チャネルの切替
制御信号、５・・・切替信号入力回路、６・・・ゲート
切替制御信号、７・・・検波信号切替ゲート回路、８・
・・バイアス可変回路、９・・・補正された検波信号。FIG. 1 is a circuit diagram showing an embodiment of an amplitude frequency characteristic correction circuit for an RF signal detection output according to the present invention. DESCRIPTION OF SYMBOLS 1... RF signal, 2... RF detector, 3... Nonlinear/linear characteristic conversion circuit, 4... Frequency channel switching control signal, 5... Switching signal input circuit, 6...・Gate switching control signal, 7...Detection signal switching gate circuit, 8.
... Bias variable circuit, 9... Corrected detection signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クライストロン等を使用した電力増幅装置よりなり、複
数の周波数チャネルを有するＲＦ信号系に用いられる検
波器からの非直線特性を持つ検波信号を直線特性を有す
る信号に変換する非直線・直線特性変換回路と、各周波
数チャネル対応毎に設けられたゲートの入力端を前記非
直線・直線特性変換回路の出力に共通接続した検波信号
切替ゲート回路と、周波数チャネル切替情報を受けて、
前記検波信号切替ゲート回路の一つのゲートを開くよう
に制御する切替信号入力回路と、それぞれバイアス値が
異なるバイアス回路を周波数チャネル分持ち、各電圧印
加端子を前記検波信号切替ゲ、−ト回路の各ゲートの出
力端にそれぞれ接続したバイアス可変回路とからなり、
各周波数チャネル毎に検波感度の異なる検波器出力に、
それに応じたバイアス値を与え、振幅周波数特性を補正
した検波信号を得るように構成したことを特徴とするＲ
Ｆ信号検波出力の振幅周波数特性補正回路。A nonlinear/linear characteristic conversion circuit that consists of a power amplification device using a klystron or the like and converts a detection signal with nonlinear characteristics from a detector used in an RF signal system having multiple frequency channels into a signal with linear characteristics. and a detection signal switching gate circuit in which the input terminal of a gate provided for each frequency channel is commonly connected to the output of the nonlinear/linear characteristic conversion circuit, and receiving frequency channel switching information,
A switching signal input circuit for controlling one gate of the detection signal switching gate circuit to open, and a bias circuit having a different bias value for each frequency channel are provided, and each voltage application terminal is connected to the detection signal switching gate circuit. Consists of a variable bias circuit connected to the output end of each gate,
The detector output has different detection sensitivity for each frequency channel.
R characterized in that it is configured to give a bias value corresponding to the bias value and obtain a detected signal with corrected amplitude frequency characteristics.
Amplitude frequency characteristic correction circuit for F signal detection output.