JPS5963522U - amplifier circuit - Google Patents
amplifier circuitInfo
- Publication number
- JPS5963522U JPS5963522U JP15949482U JP15949482U JPS5963522U JP S5963522 U JPS5963522 U JP S5963522U JP 15949482 U JP15949482 U JP 15949482U JP 15949482 U JP15949482 U JP 15949482U JP S5963522 U JPS5963522 U JP S5963522U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- amplifier circuit
- output stage
- voltage
- midpoint
- 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)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電源電圧と中点電圧の関係を示すグラフ、第２
図は第１図におけるグラフの信号波形図、第３図は本考
案による直流電源、交流電源の電源切換スイッチを有し
た増幅回路。
１・・・増幅１（ｏＴＬ回路）、３・・・入力トランジ
スタ、６・・・直流電源、８・・・交流電源、９，１０
゜１２．１３・・・固定接点、１１’、１４・・・可動
接点、 Ｒ１，Ｒ２，Ｒ３，Ｒ４・・・バイアス抵
抗。Figure 1 is a graph showing the relationship between power supply voltage and midpoint voltage;
The figure shows a signal waveform diagram of the graph in FIG. 1, and FIG. 3 shows an amplifier circuit according to the present invention having a power supply changeover switch for a DC power source and an AC power source. 1... Amplification 1 (oTL circuit), 3... Input transistor, 6... DC power supply, 8... AC power supply, 9, 10
゜12.13... Fixed contact, 11', 14... Movable contact, R1, R2, R3, R4... Bias resistance.
Claims (1)
に於いて、直流電源と交流電源を切換える切換スイッチ
により増幅回路のバイアス値を切換え、前記増幅回路の
出力段の中点電圧を前記直流電源及び交流電源の動作電
源の半値に制御したことを特徴とする増幅回路。In an amplifier circuit having a DC power supply and an AC power supply with different power supply values, the bias value of the amplifier circuit is switched by a changeover switch that switches between the DC power supply and the AC power supply, and the midpoint voltage of the output stage of the amplifier circuit is set to the voltage at the midpoint of the output stage of the DC power supply. and an amplifier circuit characterized in that an AC power supply is controlled to half the operating power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15949482U JPS5963522U (en) | 1982-10-20 | 1982-10-20 | amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15949482U JPS5963522U (en) | 1982-10-20 | 1982-10-20 | amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5963522U true JPS5963522U (en) | 1984-04-26 |
Family
ID=30351083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15949482U Pending JPS5963522U (en) | 1982-10-20 | 1982-10-20 | amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963522U (en) |
-
1982
- 1982-10-20 JP JP15949482U patent/JPS5963522U/en active Pending
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