JPH0427632U - - Google Patents
Info
- Publication number
- JPH0427632U JPH0427632U JP6792790U JP6792790U JPH0427632U JP H0427632 U JPH0427632 U JP H0427632U JP 6792790 U JP6792790 U JP 6792790U JP 6792790 U JP6792790 U JP 6792790U JP H0427632 U JPH0427632 U JP H0427632U
- Authority
- JP
- Japan
- Prior art keywords
- pin diode
- input signal
- type transistor
- emitter
- switching 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は本考案の高周波信号切換回路の回路図
であり、第２図は従来例を示す高周波信号切換回
路の回路図である。
２０，２２……ＰＩＮダイオード、２１……ア
ノード、２３……カソード、２４……ＮＰＮ形ト
ランジスタ、２６，３０……エミツタ、２７，３
１……ベース、２８……ＰＮＰ形トランジスタ、
３２……制御端子、３５……出力端子、Ａ，Ｂ…
…入力信号線。
FIG. 1 is a circuit diagram of a high frequency signal switching circuit according to the present invention, and FIG. 2 is a circuit diagram of a conventional high frequency signal switching circuit. 20, 22... PIN diode, 21... anode, 23... cathode, 24... NPN transistor, 26, 30... emitter, 27, 3
1...Base, 28...PNP type transistor,
32...Control terminal, 35...Output terminal, A, B...
...Input signal line.
Claims (1)
力信号を選択して出力する高周波信号切換回路に
於て、前記入力信号線に夫々ＰＩＮダイオードを
直列接続し、一方のＰＩＮダイオードを逆方向接
続とし、ＮＰＮ形トランジスタのエミツタを順方
向接続のＰＩＮダイオードのアノードに接続し、
逆方向接続のＰＩＮダイオードのカソードをＰＮ
Ｐ形トランジスタのエミツタに接続し、前記ＰＮ
Ｐ形トランジスタ並びにＮＰＮ形トランジスタの
ベースを制御端子へ並列接続して、前記ベース電
圧の極性切換により、前記ＰＩＮダイオードを交
互にオンできるようにしたことを特徴とする高周
波信号切換回路。 In a high frequency signal switching circuit that connects two input signal lines in parallel and selects and outputs one input signal, a PIN diode is connected in series to each of the input signal lines, and one PIN diode is connected in the opposite direction. Connect the emitter of the NPN transistor to the anode of the forward connected PIN diode,
Connect the cathode of the reversely connected PIN diode to PN
Connected to the emitter of a P-type transistor, the PN
A high-frequency signal switching circuit characterized in that bases of a P-type transistor and an NPN-type transistor are connected in parallel to a control terminal so that the PIN diode can be turned on alternately by switching the polarity of the base voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990067927U JP2527742Y2 (en) | 1990-06-28 | 1990-06-28 | High frequency signal switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990067927U JP2527742Y2 (en) | 1990-06-28 | 1990-06-28 | High frequency signal switching circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0427632U true JPH0427632U (en) | 1992-03-05 |
| JP2527742Y2 JP2527742Y2 (en) | 1997-03-05 |
Family
ID=31601942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990067927U Expired - Lifetime JP2527742Y2 (en) | 1990-06-28 | 1990-06-28 | High frequency signal switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527742Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4953275A (en) * | 1972-07-11 | 1974-05-23 |
-
1990
- 1990-06-28 JP JP1990067927U patent/JP2527742Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4953275A (en) * | 1972-07-11 | 1974-05-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2527742Y2 (en) | 1997-03-05 |
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