JPH0436332U - - Google Patents
Info
- Publication number
- JPH0436332U JPH0436332U JP7910890U JP7910890U JPH0436332U JP H0436332 U JPH0436332 U JP H0436332U JP 7910890 U JP7910890 U JP 7910890U JP 7910890 U JP7910890 U JP 7910890U JP H0436332 U JPH0436332 U JP H0436332U
- Authority
- JP
- Japan
- Prior art keywords
- fet
- drive circuit
- isolated amplifier
- chopper circuit
- circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図ａは本考案の一実施例、ｂは各部の動作
波形、第２図ａ，ｂは従来例を示す。
ＦＥＴ１，ＦＥＴ２……ジヤンクシヨン型ＦＥ
Ｔ、Ｃ１，Ｃ２……コンデンサ、Ｄ１，Ｄ２……
ダイオード。
1A shows an embodiment of the present invention, FIG. 1B shows operation waveforms of various parts, and FIGS. 2A and 2B show a conventional example. FET 1 , FET 2 ... Junction type FE
T, C 1 , C 2 ... Capacitor, D 1 , D 2 ...
diode.
Claims (1)
型のＦＥＴ１，ＦＥＴ２が用いられ、かつＦＥＴ
１，ＦＥＴ２のゲートに正電圧印加防止用のダイ
オードＤ１，Ｄ２がそれぞれ接続された構成の絶
縁増幅器チヨツパ回路用ＦＥＴドライブ回路にお
いて 前記ダイオードＤ１，Ｄ２に前記ＦＥＴ１，Ｆ
ＥＴ２のゲート−ソース間の容量を打ち消すコン
デンサＣ１，Ｃ２をそれぞれ並列接続したことを
特徴とする絶縁増幅器チヨツパ回路用ＦＥＴドラ
イブ回路。[Claims for Utility Model Registration] Junction-type FETs 1 and 2 are used on the input side and output side, respectively, and the FET
1. In an FET drive circuit for an isolated amplifier chopper circuit, the diodes D 1 and D 2 for preventing positive voltage application are connected to the gates of the FET 2 , respectively.
1. A FET drive circuit for an isolated amplifier chopper circuit, characterized in that capacitors C 1 and C 2 are connected in parallel to cancel the capacitance between the gate and source of ET 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7910890U JPH0436332U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7910890U JPH0436332U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436332U true JPH0436332U (en) | 1992-03-26 |
Family
ID=31622976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7910890U Pending JPH0436332U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436332U (en) |
-
1990
- 1990-07-25 JP JP7910890U patent/JPH0436332U/ja active Pending