JPS6072020U - ALC circuit - Google Patents
ALC circuitInfo
- Publication number
- JPS6072020U JPS6072020U JP16213983U JP16213983U JPS6072020U JP S6072020 U JPS6072020 U JP S6072020U JP 16213983 U JP16213983 U JP 16213983U JP 16213983 U JP16213983 U JP 16213983U JP S6072020 U JPS6072020 U JP S6072020U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output signal
- capacitor
- response
- alc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Amplification And Gain Control (AREA)
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
第1図は、従来のALC回路を示す回路図、第2図は本
考案の一実施例を示す回路図、第3図はその比較回路の
一例を示す回路図、第4図は第1図のALC回路の入出
力関係を示す特性図、及び第5図は本考案の入出力関係
を示す特性図である。
主な図番の説明、12・・・第1増幅回路、14・・・
第一2増幅回路、15・・・比較回路、16.17・・
・充電トランジスタ、18・・・コンデンサ、19.2
0・・・トランジスタ。
第1図
第4図Fig. 1 is a circuit diagram showing a conventional ALC circuit, Fig. 2 is a circuit diagram showing an embodiment of the present invention, Fig. 3 is a circuit diagram showing an example of the comparison circuit, and Fig. 4 is a circuit diagram showing an example of the comparison circuit. FIG. 5 is a characteristic diagram showing the input/output relationship of the ALC circuit, and FIG. 5 is a characteristic diagram showing the input/output relationship of the present invention. Explanation of main drawing numbers, 12...first amplifier circuit, 14...
1st 2nd amplifier circuit, 15... Comparison circuit, 16.17...
・Charging transistor, 18... Capacitor, 19.2
0...Transistor. Figure 1 Figure 4
Claims (1)
信号を発生させる為のALC回路であって、前記入力信
号を増幅する第1増幅回路と、該第1増幅回路の出力信
号を増幅する第2増幅回路と、前記第1増幅回路の出力
信号と前詰第2増幅回路の出力信号とを比較し、百出力
信号の差に応じた第1出力信号及び該第1出力信号と逆
相の第2出力信号を発生する比較回路と、前記第1出力
信号に応じてコンデンサを充電する第1充電回路と、前
記第2出力信号に応じて前記コンデンサを充電する第2
充電回路と、前記コンデンサの端子電圧に応じて前記入
力信号のレベルを調整する調整回路とから成るALC回
路。An ALC circuit for generating an output signal of a constant level in response to an input signal whose level changes, the circuit comprising: a first amplifier circuit that amplifies the input signal; and a first amplifier circuit that amplifies the output signal of the first amplifier circuit. 2 amplification circuit compares the output signal of the first amplification circuit and the output signal of the prepacked second amplification circuit, and outputs a first output signal corresponding to the difference of 100 output signals and a phase opposite to the first output signal. a comparison circuit that generates a second output signal; a first charging circuit that charges the capacitor in response to the first output signal; and a second charging circuit that charges the capacitor in response to the second output signal.
An ALC circuit comprising a charging circuit and an adjustment circuit that adjusts the level of the input signal according to the terminal voltage of the capacitor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16213983U JPS6072020U (en) | 1983-10-19 | 1983-10-19 | ALC circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16213983U JPS6072020U (en) | 1983-10-19 | 1983-10-19 | ALC circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6072020U true JPS6072020U (en) | 1985-05-21 |
JPH026662Y2 JPH026662Y2 (en) | 1990-02-19 |
Family
ID=30356135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16213983U Granted JPS6072020U (en) | 1983-10-19 | 1983-10-19 | ALC circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6072020U (en) |
-
1983
- 1983-10-19 JP JP16213983U patent/JPS6072020U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH026662Y2 (en) | 1990-02-19 |
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