JPS60112117U - push pull amplifier circuit - Google Patents
push pull amplifier circuitInfo
- Publication number
- JPS60112117U JPS60112117U JP20430783U JP20430783U JPS60112117U JP S60112117 U JPS60112117 U JP S60112117U JP 20430783 U JP20430783 U JP 20430783U JP 20430783 U JP20430783 U JP 20430783U JP S60112117 U JPS60112117 U JP S60112117U
- Authority
- JP
- Japan
- Prior art keywords
- common emitter
- transistor
- amplifier circuit
- pull amplifier
- npn
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は周波数シンセサイザ方式のテレビジョンチュー
ナ回路の概略的な構成の一例を示すブロック回路図、第
２図は従来より正出力回路に用いられているプッシュプ
ル増幅回路の一例を示す回路図である。第３図は本考案
に係るプッシュプル増幅回路の一実施例を示す回路図で
ある。
？１，７２．７３・・・・・・ＮＰＮ ）ランジスタ、
８１・・・・・・信号入力端子、８３．８４・・・・・
・抵抗、８５・・・・・・大抵抗、９２・・・・・・信
号出力端子。Figure 1 is a block circuit diagram showing an example of the general configuration of a frequency synthesizer type television tuner circuit, and Figure 2 is a circuit diagram showing an example of a push-pull amplifier circuit conventionally used in a positive output circuit. be. FIG. 3 is a circuit diagram showing an embodiment of the push-pull amplifier circuit according to the present invention. ? 1,72.73...NPN) transistor,
81...Signal input terminal, 83.84...
・Resistance, 85...Large resistance, 92...Signal output terminal.
Claims (1)
のエミッタ接地トランジスタのコレクタがベースに接続
される第１のＮＰＮ トランジスタと、このＮＰＮ ト
ランジスタとともにプッシュプル的な動作を行う第２の
ＮＰＮ）ランジスタと、上記エミッタ接地トランジスタ
のコレクタに接続される分圧回路とを備え、この分圧回
路の出力を大抵抗を介してエミッタ接地トランジスタの
ベースに直流帰還をかけ、上記入力信号をエミッタ接地
トランジスタのベースおよび第２のＮＰＮ ）ランジス
タのベースにそれぞれ直接供給するように成したことを
特徴とするプッシュプル増幅回路。a common emitter transistor to which an input signal is supplied; a first NPN transistor to which the collector of the common emitter transistor is connected to the base; a second NPN transistor that performs a push-pull operation together with the NPN transistor; A voltage dividing circuit connected to the collector of the common emitter transistor is provided, and the output of this voltage dividing circuit is applied DC feedback to the base of the common emitter transistor through a large resistance, and the input signal is applied to the base of the common emitter transistor and the voltage dividing circuit. 2. A push-pull amplifier circuit, characterized in that it is configured to directly supply power to the bases of NPN (2) transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20430783U JPS60112117U (en) | 1983-12-29 | 1983-12-29 | push pull amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20430783U JPS60112117U (en) | 1983-12-29 | 1983-12-29 | push pull amplifier circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112117U true JPS60112117U (en) | 1985-07-30 |
| JPH036023Y2 JPH036023Y2 (en) | 1991-02-15 |
Family
ID=30766710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20430783U Granted JPS60112117U (en) | 1983-12-29 | 1983-12-29 | push pull amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112117U (en) |
-
1983
- 1983-12-29 JP JP20430783U patent/JPS60112117U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH036023Y2 (en) | 1991-02-15 |
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