JPS5973856U - VOX malfunction prevention circuit - Google Patents
VOX malfunction prevention circuitInfo
- Publication number
- JPS5973856U JPS5973856U JP1982170225U JP17022582U JPS5973856U JP S5973856 U JPS5973856 U JP S5973856U JP 1982170225 U JP1982170225 U JP 1982170225U JP 17022582 U JP17022582 U JP 17022582U JP S5973856 U JPS5973856 U JP S5973856U
- Authority
- JP
- Japan
- Prior art keywords
- vox
- prevention circuit
- malfunction prevention
- receiver
- control 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
- Transceivers (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図は本考案の構成を示すブロック図、第２図はゲイ
ン制御回路の例、第３図はゲイン制御回路の他の例であ
る。
Ａ・・・増幅器、Ｍ・・・マイクロホン、Ｑ・・・トラ
ンジスタ。FIG. 1 is a block diagram showing the configuration of the present invention, FIG. 2 is an example of a gain control circuit, and FIG. 3 is another example of the gain control circuit. A...Amplifier, M...Microphone, Q...Transistor.
Claims (1)
制御信号を利用して、信号受信時にマイクロホン増幅段
のゲインを低下させることを特徴とするＶＯＸ誤動作防
止回路。 ２ ｖｏｘ操作の送受信機において、受信のスケルチ
制御信号をマイクロホン増幅器のゲイン制御入力に加え
た、実用新案登録請求の範囲第１項記載のＶＯＸ誤動作
防止回路。 ３ ｖｏｘ操作の送受信機において、受信のスケルチ
制御信号により、マイクロホン増幅段の信号回路に直列
または並列にそう人された半導体の内部抵抗を変化する
ように構成した、実用新案登録請求の範囲第１項記載の
ＶＯＸ誤動作防止回路。[Claims for Utility Model Registration] 1. A VOX malfunction prevention circuit in a VOX-operated transmitter/receiver, which uses a reception squelch control signal to reduce the gain of a microphone amplification stage when receiving a signal. 2. The VOX malfunction prevention circuit according to claim 1, which is a VOX-operated transmitter/receiver, in which a reception squelch control signal is added to a gain control input of a microphone amplifier. 3. Utility model registration claim 1, in which a VOX-operated transmitter/receiver is configured to change the internal resistance of a semiconductor connected in series or parallel to a signal circuit of a microphone amplification stage by a reception squelch control signal. The VOX malfunction prevention circuit described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982170225U JPS5973856U (en) | 1982-11-10 | 1982-11-10 | VOX malfunction prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982170225U JPS5973856U (en) | 1982-11-10 | 1982-11-10 | VOX malfunction prevention circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5973856U true JPS5973856U (en) | 1984-05-19 |
| JPH0326704Y2 JPH0326704Y2 (en) | 1991-06-10 |
Family
ID=30371664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982170225U Granted JPS5973856U (en) | 1982-11-10 | 1982-11-10 | VOX malfunction prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5973856U (en) |
-
1982
- 1982-11-10 JP JP1982170225U patent/JPS5973856U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326704Y2 (en) | 1991-06-10 |
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