JPH0425310U - - Google Patents
Info
- Publication number
- JPH0425310U JPH0425310U JP6607490U JP6607490U JPH0425310U JP H0425310 U JPH0425310 U JP H0425310U JP 6607490 U JP6607490 U JP 6607490U JP 6607490 U JP6607490 U JP 6607490U JP H0425310 U JPH0425310 U JP H0425310U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- amplifier
- signal
- power supply
- switching
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図乃至第３図はこの考案に係る増幅回路の
実施例を示し、第１図は回路図、第２図は出力波
形を示した波形図、第３図は他の実施例の回路図
である。
主な符号の説明、１……負帰還回路を有した増
幅器、２……デイジタル信号に変換するＡ／Ｄ変
換回路、３……第１の切換回路を駆動する第１の
駆動回路、４……第２の切換回路を駆動する第２
の駆動回路、５……第１の駆動回路を制御する第
１の制御信号、６……第２の駆動回路を制御する
第２の制御信号、９……増幅器の出力信号波形、
１０……アナログ信号に変換するＤ／Ａ変換回路
、Ｓ１……第１の直流電源を切換える第１の切換
回路、Ｓ２……第２の直流電源を切換える第２の
切換回路、Ｅ１，−Ｅ１……第１の正及び負の直
流電源、Ｅ２，−Ｅ２……第２の正及び負の直流
電源。
1 to 3 show an embodiment of the amplifier circuit according to this invention, FIG. 1 is a circuit diagram, FIG. 2 is a waveform diagram showing output waveforms, and FIG. 3 is a circuit diagram of another embodiment. It is. Explanation of main symbols: 1...An amplifier having a negative feedback circuit, 2...A/D conversion circuit for converting into a digital signal, 3...A first drive circuit that drives a first switching circuit, 4... ...The second switching circuit that drives the second switching circuit.
5... A first control signal for controlling the first drive circuit, 6... A second control signal for controlling the second drive circuit, 9... An output signal waveform of the amplifier,
10...D/A conversion circuit for converting into an analog signal, S1...First switching circuit for switching the first DC power supply, S2...Second switching circuit for switching the second DC power supply, E1, -E1 ...first positive and negative DC power supplies, E2, -E2...second positive and negative DC power supplies.
Claims (1)
電圧源で駆動することができる増幅回路であつて
、 増幅器の出力側に直列に接続した直流電源と、
この直流電源を切換える切換回路と、この切換回
路を駆動する駆動回路と、この駆動回路を制御す
る制御信号とを設け、上記制御信号がデイジタル
信号で動作するようＡ／Ｄ変換回路を備えたこと
を特徴とする増幅回路。 ２ 上記直流電源と切換回路と駆動回路とを複数
段設けたことを特徴とする請求項１記載の増幅回
路。 ３ デイジタル入力信号の増幅回路において、デ
イジタル信号をアナログ信号に変換するＤ／Ａ変
換回路を備え、上記デイジタル入力信号で駆動回
路を制御し、アナログ信号に変換した入力信号を
上記低電圧源駆動の増幅器に供給するよう構成し
たことを特徴とする請求項１又は２記載の増幅回
路。[Claims for Utility Model Registration] 1. An amplifier circuit capable of driving the power supply of an amplifier circuit with a negative feedback circuit with a low voltage source, comprising: a DC power supply connected in series to the output side of the amplifier;
A switching circuit for switching this DC power supply, a drive circuit for driving this switching circuit, and a control signal for controlling this drive circuit are provided, and an A/D conversion circuit is provided so that the control signal operates as a digital signal. An amplifier circuit featuring: 2. The amplifier circuit according to claim 1, wherein the DC power supply, the switching circuit, and the drive circuit are provided in multiple stages. 3. The digital input signal amplification circuit includes a D/A conversion circuit that converts the digital signal to an analog signal, controls the drive circuit with the digital input signal, and uses the input signal converted to the analog signal to drive the low voltage source. 3. The amplifier circuit according to claim 1, wherein the amplifier circuit is configured to supply the signal to an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6607490U JPH0425310U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6607490U JPH0425310U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0425310U true JPH0425310U (en) | 1992-02-28 |
Family
ID=31598479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6607490U Pending JPH0425310U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425310U (en) |
-
1990
- 1990-06-25 JP JP6607490U patent/JPH0425310U/ja active Pending
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