JPS5994416U - protection circuit - Google Patents
protection circuitInfo
- Publication number
- JPS5994416U JPS5994416U JP8597283U JP8597283U JPS5994416U JP S5994416 U JPS5994416 U JP S5994416U JP 8597283 U JP8597283 U JP 8597283U JP 8597283 U JP8597283 U JP 8597283U JP S5994416 U JPS5994416 U JP S5994416U
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- emitter
- resistors
- output
- output transistor
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図および第2図はそれぞれ従来の保護回路の回路図
、第3図はこの考案の保護回路の一実施例を示す回路図
である。
Ql、Q2・・・・・・出力トランジスタ、Q3. Q
4・・・・・・トランジスタ、3・・・・・・プリドラ
イバトランジスタ、4.5・・・・・・ドライバトラン
ジスタ、6.〜8−−−−−−ダイオード、REl、
REla、 RE2゜RE2a・・・・・・エミッタ抵
抗。1 and 2 are circuit diagrams of conventional protection circuits, respectively, and FIG. 3 is a circuit diagram showing an embodiment of the protection circuit of this invention. Ql, Q2...output transistor, Q3. Q
4...Transistor, 3...Pre-driver transistor, 4.5...Driver transistor, 6. ~8-------diode, REl,
REla, RE2゜RE2a...Emitter resistance.
Claims (1)
構成し、この出力トランジスタのエミッタと出力端子間
に複数個のエミッタ抵抗をそれぞれ直列接続し、前記抵
抗の接続点の電位を検出して前記出力トランジスタに流
れる電流を制御するようにしたことを特徴とする保護回
路。The power amplifier is configured with a single-ended push-pull output circuit, a plurality of emitter resistors are connected in series between the emitter of this output transistor and the output terminal, and the potential at the connection point of the resistors is detected and flows to the output transistor. A protection circuit characterized by controlling current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8597283U JPS5994416U (en) | 1983-06-06 | 1983-06-06 | protection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8597283U JPS5994416U (en) | 1983-06-06 | 1983-06-06 | protection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5994416U true JPS5994416U (en) | 1984-06-27 |
Family
ID=30215919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8597283U Pending JPS5994416U (en) | 1983-06-06 | 1983-06-06 | protection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5994416U (en) |
-
1983
- 1983-06-06 JP JP8597283U patent/JPS5994416U/en active Pending
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