JPH0170413U - - Google Patents
Info
- Publication number
- JPH0170413U JPH0170413U JP1987164788U JP16478887U JPH0170413U JP H0170413 U JPH0170413 U JP H0170413U JP 1987164788 U JP1987164788 U JP 1987164788U JP 16478887 U JP16478887 U JP 16478887U JP H0170413 U JPH0170413 U JP H0170413U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- amplifier circuit
- potential
- differential amplifier
- direct
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案に係る直結増幅器におけるクリ
ツク音防止回路の実施例の基本的構成を示す回路
図、第２図は同実施例の電源スイツチとスイツチ
手段の動作を説明するために示すタイムチヤート
、第３図は同実施例の直流サーボ増幅回路を示す
回路図である。
２……差動増幅回路、４……バイアス電圧供給
回路、６……シングルエンデツドプシユプル回路
、８……直流サーボ増幅回路、１０……直結増幅
器、２０……検出回路、３０……電源回路、５０
……電源スイツチ。
FIG. 1 is a circuit diagram showing the basic configuration of an embodiment of the click noise prevention circuit in a direct-coupled amplifier according to the present invention, and FIG. 2 is a time chart shown to explain the operation of the power switch and switching means of the same embodiment. , FIG. 3 is a circuit diagram showing the DC servo amplifier circuit of the same embodiment. 2...Differential amplifier circuit, 4...Bias voltage supply circuit, 6...Single-ended push-pull circuit, 8...DC servo amplifier circuit, 10...Direct-coupled amplifier, 20...Detection circuit, 30... power supply circuit, 50
...Power switch.
Claims (1)
エンデツドプシユプル回路の各構成素子の入力端
に入力し、このシングルエンデツドプシユプル回
路の出力端と共通電位点との間に負荷を接続し、
前記負荷と出力端の接続点の電位を取り込み、こ
の接続点の電位を共通電位点と同一電位に保つた
めのフイードバツク信号を形成して前記差動増幅
回路にフイードバツクする直流サーボ増幅回路を
設けてなる直結増幅器であつて、前記差動増幅回
路からの出力信号を電源スイツチのオン・オフ時
に前記直流サーボ増幅回路の入力端に導入する検
出回路を設けてなることを特徴とした直結増幅器
におけるクリツク音防止回路。 The operating signal from the differential amplifier circuit in the previous stage is input to the input terminal of each component of the single-ended push-pull circuit, and a load is placed between the output terminal of this single-ended push-pull circuit and a common potential point. connection,
A DC servo amplifier circuit is provided which captures the potential at a connection point between the load and the output end, forms a feedback signal for keeping the potential at this connection point at the same potential as a common potential point, and feeds it back to the differential amplifier circuit. A direct-coupled amplifier characterized in that the direct-coupled amplifier is provided with a detection circuit that introduces an output signal from the differential amplifier circuit to an input terminal of the DC servo amplifier circuit when a power switch is turned on or off. Sound prevention circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478887U JPH0635535Y2 (en) | 1987-10-28 | 1987-10-28 | Click sound prevention circuit in direct-coupled amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478887U JPH0635535Y2 (en) | 1987-10-28 | 1987-10-28 | Click sound prevention circuit in direct-coupled amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0170413U true JPH0170413U (en) | 1989-05-10 |
| JPH0635535Y2 JPH0635535Y2 (en) | 1994-09-14 |
Family
ID=31450692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16478887U Expired - Lifetime JPH0635535Y2 (en) | 1987-10-28 | 1987-10-28 | Click sound prevention circuit in direct-coupled amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635535Y2 (en) |
-
1987
- 1987-10-28 JP JP16478887U patent/JPH0635535Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635535Y2 (en) | 1994-09-14 |
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