JPS59129236U - Receiver saving circuit - Google Patents
Receiver saving circuitInfo
- Publication number
- JPS59129236U JPS59129236U JP2315683U JP2315683U JPS59129236U JP S59129236 U JPS59129236 U JP S59129236U JP 2315683 U JP2315683 U JP 2315683U JP 2315683 U JP2315683 U JP 2315683U JP S59129236 U JPS59129236 U JP S59129236U
- Authority
- JP
- Japan
- Prior art keywords
- squelch
- receiver
- saving
- switching element
- signal
- 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
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (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図は本考案による受信機のセービング回路の一実施
例を示す電気回路図、第２図は第１図の回路の特性図で
ある。
１・・・アンテナ、２・・・高周波増幅部、３・・・混
合部、４・・・局部発振部、５・・・中間周波増幅部、
６・・・検波部、７・・・音声増幅部、８・・・スピー
カ、９・・・スケルチ部、１０・・・制御部、１１・・
・電源供給線路、１２・・・トランジスタ（スイッチン
グ素子）、１３・・・セービング用の抵抗、１４・・・
抵抗、ｐｌ、 ｐ２・・・局部発振出力レベル。FIG. 1 is an electrical circuit diagram showing an embodiment of a receiver saving circuit according to the present invention, and FIG. 2 is a characteristic diagram of the circuit shown in FIG. DESCRIPTION OF SYMBOLS 1... Antenna, 2... High frequency amplification part, 3... Mixing part, 4... Local oscillation part, 5... Intermediate frequency amplification part,
6... Detection section, 7... Audio amplification section, 8... Speaker, 9... Squelch section, 10... Control section, 11...
・Power supply line, 12... Transistor (switching element), 13... Resistor for saving, 14...
Resistor, pl, p2...Local oscillation output level.
Claims (2)
中間周波信号に変換し、検波部を介して音′声増幅部に
入力し、この音声増幅部をスケルチ部のスケルチ信号で
制御するようにした受信機において、 該局部発振部の電源供給線路に挿入され、該スケルチ部
のスケルチ信号の有無でオフ、オンするスイッチング素
子と、 該スイッチング素子に並列に接続されたセービング用の
抵抗と を具備したことを特徴とする受信機のセービング回路。 ・(1) Mix the oscillation frequency signal of the local oscillator with the received signal, convert it to an intermediate frequency signal, input it to the audio amplification section via the detection section, and control this audio amplification section with the squelch signal of the squelch section. In a receiver configured to do so, a switching element is inserted into the power supply line of the local oscillation unit and turns off and on depending on the presence or absence of a squelch signal from the squelch unit, and a saving resistor connected in parallel to the switching element. A receiver saving circuit characterized by comprising:・
イッチング素子はトランジスタからなり、このトランジ
スタのエミッタを電源側に接続し、コレクタを局部発振
部側に接続し、ベースをスケルチ部の出力側に接続し、
さらに、エミッタ・コレクタ間にセービング用の抵抗を
並列に接続してなる受信機のセービング回路。(2) Utility Model Registration Scope of Claims As described in paragraph 1, the switching element consists of a transistor, the emitter of this transistor is connected to the power supply side, the collector is connected to the local oscillation part side, and the base is connected to the output side of the squelch part. connect to
Furthermore, the receiver's saving circuit consists of a saving resistor connected in parallel between the emitter and collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2315683U JPS59129236U (en) | 1983-02-19 | 1983-02-19 | Receiver saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2315683U JPS59129236U (en) | 1983-02-19 | 1983-02-19 | Receiver saving circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59129236U true JPS59129236U (en) | 1984-08-30 |
| JPH0241962Y2 JPH0241962Y2 (en) | 1990-11-08 |
Family
ID=30154244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2315683U Granted JPS59129236U (en) | 1983-02-19 | 1983-02-19 | Receiver saving circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59129236U (en) |
-
1983
- 1983-02-19 JP JP2315683U patent/JPS59129236U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241962Y2 (en) | 1990-11-08 |
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