JPH02118321U - - Google Patents
Info
- Publication number
- JPH02118321U JPH02118321U JP2682589U JP2682589U JPH02118321U JP H02118321 U JPH02118321 U JP H02118321U JP 2682589 U JP2682589 U JP 2682589U JP 2682589 U JP2682589 U JP 2682589U JP H02118321 U JPH02118321 U JP H02118321U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- low
- peak
- amplifier
- attenuator
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図は本考案における一実施例の回路ブロツ
ク図、第２図ａ及びｂは入力信号と出力信号とを
説明する波形図である。
２…低域増強回路、４…増幅器、６，８…ピー
ク検波器、７…減衰器、９…比較器、１１…低域
レベルコントロール回路。
FIG. 1 is a circuit block diagram of one embodiment of the present invention, and FIGS. 2a and 2b are waveform diagrams illustrating input signals and output signals. 2...Low frequency enhancement circuit, 4...Amplifier, 6, 8...Peak detector, 7...Attenuator, 9...Comparator, 11...Low frequency level control circuit.
Claims (1)
、検波する第１のピーク検波器と、 前記増幅器の出力信号を取り出し減衰した信号
を出力する減衰器と、 前記減衰器からの出力信号をピーク検波する第
２のピーク検波器と、 前記第１と第２のピーク検波器からの出力を比
較する比較手段と、 前記比較手段の出力により前記低域増幅回路の
増強レベルを制御する低域レベルコントロール回
路とを具備する出力増幅回路。[Claims for Utility Model Registration] A low-frequency amplification circuit that amplifies a specific low-frequency frequency; an amplifier; a first peak detector that extracts and detects a peak value of an input signal to the amplifier; an attenuator that takes out an output signal and outputs an attenuated signal; a second peak detector that peak-detects the output signal from the attenuator; and a comparison that compares the outputs from the first and second peak detectors. and a low-frequency level control circuit for controlling an enhancement level of the low-frequency amplifier circuit based on the output of the comparing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682589U JPH02118321U (en) | 1989-03-09 | 1989-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682589U JPH02118321U (en) | 1989-03-09 | 1989-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118321U true JPH02118321U (en) | 1990-09-21 |
Family
ID=31248800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2682589U Pending JPH02118321U (en) | 1989-03-09 | 1989-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118321U (en) |
-
1989
- 1989-03-09 JP JP2682589U patent/JPH02118321U/ja active Pending