JPH03128331U - - Google Patents
Info
- Publication number
- JPH03128331U JPH03128331U JP3564790U JP3564790U JPH03128331U JP H03128331 U JPH03128331 U JP H03128331U JP 3564790 U JP3564790 U JP 3564790U JP 3564790 U JP3564790 U JP 3564790U JP H03128331 U JPH03128331 U JP H03128331U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- receives
- transistors
- switches
- input signal
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例のスイツチ回路の回
路図、第２図は第１図におけるトランジスタＱ７
オフ時の等価回路図、第３図は従来のスイツチ回
路の回路図、第４図は第３図におけるトランジス
タＱ７オフ時の等価回路図である。
Ｑ４，Ｑ５，Ｑ９，Ｑ１０……ダイオード接続
のトランジスタ、Ｃｊｃ２，Ｃｊｃ３……トラン
ジスタＱ２，Ｑ３のコレクタ・ベース間の容量、
Ｃｊｅ３，Ｃｊｅ４，Ｃｊｅ９……トランジスタ
Ｑ３，Ｑ４，Ｑ９のエミツタ・ベース間の容量、
Ｒｄ５……トランジスタＱ５のベース・エミツタ
間順方向抵抗、Ｃｊｓ７……トランジスタＱ７の
コレクタ・サブストレート間の容量。
Figure 1 is a circuit diagram of a switch circuit according to an embodiment of the present invention, and Figure 2 is a transistor Q7 in Figure 1.
FIG. 3 is a circuit diagram of a conventional switch circuit, and FIG. 4 is an equivalent circuit diagram when transistor Q7 in FIG. 3 is off. Q4, Q5, Q9, Q10...diode-connected transistors, C jc2 , C jc3 ...capacitance between the collector and base of transistors Q2, Q3,
C je3 , C je4 , C je9 ...Capacitance between emitter and base of transistors Q3, Q4, Q9,
R d5 ... Base-emitter forward resistance of transistor Q5, C js7 ... Collector-substrate capacitance of transistor Q7.
Claims (1)
、第２の入力信号を受ける第２のトランジスタと
、上記第１及び第２のトランジスタの動作電流を
切り換える差動回路と、上記第１又は第２のトラ
ンジスタの出力を基準側に受けて出力側に転送す
るカレントミラー回路とからなるスイツチ回路に
おいて、 上記第１及び第２のトランジスタと上記カレン
トミラー回路の基準側との間にダイオードを順方
向接続したことを特徴とするスイツチ回路。[Claims for Utility Model Registration] A first transistor that receives a first input signal, a second transistor that receives a second input signal, and a differential circuit that switches the operating currents of the first and second transistors. and a current mirror circuit that receives the output of the first or second transistor on the reference side and transfers it to the output side, wherein the first and second transistors and the reference side of the current mirror circuit A switch circuit characterized by having a diode connected in the forward direction between the switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564790U JPH03128331U (en) | 1990-04-02 | 1990-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564790U JPH03128331U (en) | 1990-04-02 | 1990-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128331U true JPH03128331U (en) | 1991-12-24 |
Family
ID=31541185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3564790U Pending JPH03128331U (en) | 1990-04-02 | 1990-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128331U (en) |
-
1990
- 1990-04-02 JP JP3564790U patent/JPH03128331U/ja active Pending