JPH02111918U - - Google Patents
Info
- Publication number
- JPH02111918U JPH02111918U JP1862689U JP1862689U JPH02111918U JP H02111918 U JPH02111918 U JP H02111918U JP 1862689 U JP1862689 U JP 1862689U JP 1862689 U JP1862689 U JP 1862689U JP H02111918 U JPH02111918 U JP H02111918U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- level
- signal
- level adjustment
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
図は本考案の一実施例を示す回路図である。
１…第１入力端子、２…第２入力端子、３…選
択回路、４…制御端子、５…レベル調整回路、６
…レベル検波回路、８…平滑コンデンサ、１１…
放電回路。
The figure is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...First input terminal, 2...Second input terminal, 3...Selection circuit, 4...Control terminal, 5...Level adjustment circuit, 6
...Level detection circuit, 8...Smoothing capacitor, 11...
discharge circuit.
Claims (1)
号に応じて選択出力する選択回路と、 該選択回路の出力信号のレベルを調整するレベ
ル調整回路と、 該レベル調整回路の出力信号のレベル検波を行
なうレベル検波回路と、 該レベル検波回路の検波出力を平滑し、その平
滑出力に応じて前記レベル調整回路の制御を行な
う平滑回路と、 前記選択回路に加わる制御信号に応じて前記平
滑回路の放電量を変化させる放電手段と、 を備え、前記第１又は第２入力信号に対して最
適なリカバリータイムを設定したことを特徴とす
るＡＬＣ回路。[Claims for Utility Model Registration] A first input terminal to which a first input signal is applied, a second input terminal to which a second input signal is applied, and signals from the first and second input terminals as control signals. a selection circuit that selects and outputs a signal according to the selection circuit; a level adjustment circuit that adjusts the level of the output signal of the selection circuit; a level detection circuit that performs level detection of the output signal of the level adjustment circuit; and a detection output of the level detection circuit. a smoothing circuit that smoothes the level adjustment circuit and controls the level adjustment circuit according to the smoothed output; and discharge means that changes the amount of discharge of the smoothing circuit according to a control signal applied to the selection circuit, An ALC circuit characterized in that an optimal recovery time is set for the first or second input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1862689U JPH02111918U (en) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1862689U JPH02111918U (en) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02111918U true JPH02111918U (en) | 1990-09-07 |
Family
ID=31233442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1862689U Pending JPH02111918U (en) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02111918U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123928A (en) * | 1978-03-20 | 1979-09-26 | Itsuki Ban | Automatic recording level controller |
| JPS607215A (en) * | 1983-06-24 | 1985-01-16 | Yaesu Musen Co Ltd | Alc circuit |
-
1989
- 1989-02-20 JP JP1862689U patent/JPH02111918U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123928A (en) * | 1978-03-20 | 1979-09-26 | Itsuki Ban | Automatic recording level controller |
| JPS607215A (en) * | 1983-06-24 | 1985-01-16 | Yaesu Musen Co Ltd | Alc circuit |
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