JPS62198710U - - Google Patents
Info
- Publication number
- JPS62198710U JPS62198710U JP8628186U JP8628186U JPS62198710U JP S62198710 U JPS62198710 U JP S62198710U JP 8628186 U JP8628186 U JP 8628186U JP 8628186 U JP8628186 U JP 8628186U JP S62198710 U JPS62198710 U JP S62198710U
- Authority
- JP
- Japan
- Prior art keywords
- power
- zener diode
- supply voltage
- power supply
- supplied
- 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
- 230000003321 amplification Effects 0.000 claims 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案に係る電力増幅回路の回路構成
図、第２図は本考案を適用したＩＣの内部等価回
路図である。
２０……ツエナーダイオード、２２……スイツ
チング回路、２３，２４……スイツチング用トラ
ンジスタ、２５……切換スイツチ、２６……電池
。
FIG. 1 is a circuit configuration diagram of a power amplifier circuit according to the present invention, and FIG. 2 is an internal equivalent circuit diagram of an IC to which the present invention is applied. 20... Zener diode, 22... Switching circuit, 23, 24... Switching transistor, 25... Changeover switch, 26... Battery.
Claims (1)
力増幅回路であつて、小信号増幅部に供給すべき
電源電圧を低レベルに設定するためのツエナーダ
イオードと、前記電池の使用時に前記小信号増幅
部の電源電圧供給ラインに前記ツエナーダイオー
ドを切り換え接続するスイツチング回路とを含む
ことを特徴とする電力増幅回路。 The power amplification circuit is used as a power source with both an AC power source and a battery, and includes a Zener diode for setting the power supply voltage to be supplied to the small signal amplification section to a low level, and a Zener diode for setting the power supply voltage to be supplied to the small signal amplification section at a low level, and a A power amplifier circuit comprising: a switching circuit that switches and connects the Zener diode to a power supply voltage supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8628186U JPS62198710U (en) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8628186U JPS62198710U (en) | 1986-06-06 | 1986-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198710U true JPS62198710U (en) | 1987-12-17 |
Family
ID=30942441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8628186U Pending JPS62198710U (en) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198710U (en) |
-
1986
- 1986-06-06 JP JP8628186U patent/JPS62198710U/ja active Pending