JPH048586U - - Google Patents
Info
- Publication number
- JPH048586U JPH048586U JP4839290U JP4839290U JPH048586U JP H048586 U JPH048586 U JP H048586U JP 4839290 U JP4839290 U JP 4839290U JP 4839290 U JP4839290 U JP 4839290U JP H048586 U JPH048586 U JP H048586U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- output
- stage amplifier
- determination
- 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 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Television Systems (AREA)
- Selective Calling Equipment (AREA)
Description
第１図は本考案の実施例の回路ブロツク図、第
２図は従来例の回路ブロツク図である。
１……初段アンプ、２……リミツタ、３……Ｂ
ＰＦ（バンドパスフイルター）、４……検波回路
、５……波形整形回路、７……レベル判定回路、
８……タイマ回路、９……スイツチ回路。
FIG. 1 is a circuit block diagram of an embodiment of the present invention, and FIG. 2 is a circuit block diagram of a conventional example. 1...First stage amplifier, 2...Limitsuta, 3...B
PF (band pass filter), 4...detection circuit, 5...waveform shaping circuit, 7...level judgment circuit,
8...Timer circuit, 9...Switch circuit.
Claims (1)
その初段アンプ回路より出力される信号の大きさ
とあらかじめ設定された信号の基準値の大きさと
を比較し、その判定信号を出力するレベル判定回
路と、その判定信号に基づいて、初段アンプの出
力に接続されたリミツタ、そのリミツタの出力に
接続されたバンドパスフイルタ、そのフイルタの
出力に接続された検波回路、およびその検波回路
の出力に接続された波形整形回路のそれぞれを駆
動させるスイツチ回路と、上記初段アンプの電源
端子と上記レベル判定回路に断続的に電源を供給
することにより、その初段アンプと上記レベル判
定回路を駆動させるとともに、上記スイツチ回路
の電源をオンにするための信号を当該スイツチ回
路に出力するタイマ回路とにより構成されてなる
、赤外線通信受信用アンプ回路。 A first stage amplifier that amplifies the electrical signal from the outside,
A level determination circuit that compares the magnitude of the signal output from the first stage amplifier circuit with the magnitude of a preset signal reference value and outputs a determination signal, and a level determination circuit that outputs a determination signal based on the determination signal, and a switch circuit that drives each of a connected limiter, a bandpass filter connected to the output of the limiter, a detection circuit connected to the output of the filter, and a waveform shaping circuit connected to the output of the detection circuit; By intermittently supplying power to the power terminal of the first stage amplifier and the level judgment circuit, the first stage amplifier and the level judgment circuit are driven, and a signal for turning on the power of the switch circuit is sent to the switch. An amplifier circuit for receiving infrared communication, consisting of a timer circuit that outputs to the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4839290U JPH048586U (en) | 1990-05-08 | 1990-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4839290U JPH048586U (en) | 1990-05-08 | 1990-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048586U true JPH048586U (en) | 1992-01-27 |
Family
ID=31565156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4839290U Pending JPH048586U (en) | 1990-05-08 | 1990-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003198281A (en) * | 2001-12-27 | 2003-07-11 | Taiko Denki Co Ltd | Audio signal amplifier |
-
1990
- 1990-05-08 JP JP4839290U patent/JPH048586U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003198281A (en) * | 2001-12-27 | 2003-07-11 | Taiko Denki Co Ltd | Audio signal amplifier |