JPH0344322U - - Google Patents
Info
- Publication number
- JPH0344322U JPH0344322U JP10331789U JP10331789U JPH0344322U JP H0344322 U JPH0344322 U JP H0344322U JP 10331789 U JP10331789 U JP 10331789U JP 10331789 U JP10331789 U JP 10331789U JP H0344322 U JPH0344322 U JP H0344322U
- Authority
- JP
- Japan
- Prior art keywords
- signal line
- connection point
- switching element
- control signal
- transistors
- 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
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案による音声ミユート回路、第２
図は本考案による大振幅入力時の音声ミユート回
路の等価回路、第３図は、従来の音声ミユート回
路、第４図は、大振幅入力時の従来の音声ミユー
ト回路の等価回路、第５図は、大振幅入力時の従
来の音声ミユート回路の入出力波形である。
１……右チヤンネル信号ライン、２……左チヤ
ンネル信号ライン、３……ミユート制御信号ライ
ンの接続端子、４……直流電源。
Figure 1 shows the audio mute circuit according to the present invention;
The figure shows an equivalent circuit of the audio mute circuit according to the present invention when inputting a large amplitude, FIG. 3 shows the conventional audio muting circuit, FIG. 4 shows an equivalent circuit of the conventional audio muting circuit when inputting a large amplitude, and FIG. 5 are the input/output waveforms of the conventional audio mute circuit at the time of large amplitude input. 1... Right channel signal line, 2... Left channel signal line, 3... Connection terminal for the Mute control signal line, 4... DC power supply.
Claims (1)
号ラインの間に直列に接接にされた２個のトラン
ジスタ出力の共通接続点をアースに接続し、また
上記トランジスタのベースの共通接続点とミユー
ト制御信号ラインの接続端子を接続した回路にお
いて、上記トランジスタのベースの接続点と直流
電源との間にスイツチング素子を介し、スイツチ
ング素子の接続端子とミユート制御信号ラインの
接続端子を接続した回路からなる音声ミユート装
置。 The common connection point of the outputs of two transistors connected in series between the right channel signal line and the left channel signal line is connected to ground, and the common connection point of the bases of the transistors is connected to the mute control signal line. An audio mute device comprising a circuit in which a connection terminal of the switching element and a connection terminal of a mute control signal line are connected via a switching element between a connection point of the base of the transistor and a DC power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10331789U JPH0344322U (en) | 1989-09-01 | 1989-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10331789U JPH0344322U (en) | 1989-09-01 | 1989-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344322U true JPH0344322U (en) | 1991-04-24 |
Family
ID=31652163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10331789U Pending JPH0344322U (en) | 1989-09-01 | 1989-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344322U (en) |
-
1989
- 1989-09-01 JP JP10331789U patent/JPH0344322U/ja active Pending
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