JPH0247824U - - Google Patents
Info
- Publication number
- JPH0247824U JPH0247824U JP12620188U JP12620188U JPH0247824U JP H0247824 U JPH0247824 U JP H0247824U JP 12620188 U JP12620188 U JP 12620188U JP 12620188 U JP12620188 U JP 12620188U JP H0247824 U JPH0247824 U JP H0247824U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- input
- amplifier circuit
- output
- diagram
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案による自動利得制御装置の回路
図、第２図はＬＣ直列共振回路を用いるフイルタ
回路の周波数特性図、第３図は第１図に示す回路
の入出力特性図、第４図は第１図に示す回路の周
波数特性図、第５図は他の一つの実施例における
フイルタ回路の回路図、第６図は第５図に示すフ
イルタ回路の周波数特性図、第７図は第５図に示
すフイルタ回路を用いたときの自動利得制御回路
の総合入出力特性図、第８図は一般の自動利得制
御回路の回路図、第９図は第８図に示す回路の入
出力特性図である。
１……入力、２……レベル可変回路、３……整
流回路、４……増幅回路、５……出力、６……フ
イルタ回路。
Figure 1 is a circuit diagram of the automatic gain control device according to the present invention, Figure 2 is a frequency characteristic diagram of a filter circuit using an LC series resonant circuit, Figure 3 is an input/output characteristic diagram of the circuit shown in Figure 1, and Figure 4 is a diagram of the input/output characteristics of the circuit shown in Figure 1. The figure is a frequency characteristic diagram of the circuit shown in Figure 1, Figure 5 is a circuit diagram of a filter circuit in another embodiment, Figure 6 is a frequency characteristic diagram of the filter circuit shown in Figure 5, and Figure 7 is a diagram of the frequency characteristic of the filter circuit shown in Figure 5. Figure 5 is a general input/output characteristic diagram of the automatic gain control circuit when using the filter circuit shown in Figure 8. Figure 8 is a circuit diagram of a general automatic gain control circuit, Figure 9 is the input/output characteristic of the circuit shown in Figure 8. It is a characteristic diagram. 1...Input, 2...Level variable circuit, 3...Rectifier circuit, 4...Amplification circuit, 5...Output, 6...Filter circuit.
Claims (1)
の入力に対する利得を変化させるレベル可変回路
、および (b) 該レベル可変回路の前段に設けられ、少な
くとも低減の信号をそのまま通過させる特性を有
するフイルタ回路 を含むことを特徴とする自動利得制御装置。[Claims for Utility Model Registration] (a) A level variable circuit that receives part of the output of the amplifier circuit and changes the gain with respect to the input to the amplifier circuit, and (b) At least An automatic gain control device comprising a filter circuit having a characteristic of allowing a signal to be reduced to pass through as is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620188U JPH0247824U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620188U JPH0247824U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247824U true JPH0247824U (en) | 1990-04-03 |
Family
ID=31377500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12620188U Pending JPH0247824U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247824U (en) |
-
1988
- 1988-09-27 JP JP12620188U patent/JPH0247824U/ja active Pending