JPH0186724U - - Google Patents
Info
- Publication number
- JPH0186724U JPH0186724U JP1987183339U JP18333987U JPH0186724U JP H0186724 U JPH0186724 U JP H0186724U JP 1987183339 U JP1987183339 U JP 1987183339U JP 18333987 U JP18333987 U JP 18333987U JP H0186724 U JPH0186724 U JP H0186724U
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- signal
- circuit
- blocking capacitor
- ground
- 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
- 230000000903 blocking effect Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の高周波スイツチ回路の実施
例を示す回路図、第２図はテレビ受信システムに
用いられた従来の高周波スイツチ回路の回路図、
第３図は第１図及び第２図の高周波スイツチ回路
の減衰量周波数特性を示す図である。
FIG. 1 is a circuit diagram showing an embodiment of the high frequency switch circuit of this invention, and FIG. 2 is a circuit diagram of a conventional high frequency switch circuit used in a television receiving system.
FIG. 3 is a diagram showing the attenuation frequency characteristics of the high frequency switch circuits of FIGS. 1 and 2. FIG.
Claims (1)
じて出力端子に導いたり、その信号を阻止したり
する高周波スイツチ回路において、 上記高周波信号通路と接地との間に接続され、
阻止しようとする信号周波帯の上側または下側の
周波数に共振した並列共振回路と、 その並列共振回路と直列に接続された直流阻止
用コンデンサと、 その直流阻止用コンデンサと接地との間におい
て、その直流阻止用コンデンサと直列に挿入され
た半導体スイツチ素子とを具備する高周波スイツ
チ回路。[Claims for Utility Model Registration] In a high frequency switch circuit that guides a signal from a high frequency signal source to an output terminal through a high frequency signal path or blocks the signal, the circuit is connected between the high frequency signal path and the ground,
A parallel resonant circuit that resonates at a frequency above or below the signal frequency band to be blocked, a DC blocking capacitor connected in series with the parallel resonant circuit, and between the DC blocking capacitor and ground, A high frequency switch circuit comprising the DC blocking capacitor and a semiconductor switch element inserted in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987183339U JPH0186724U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987183339U JPH0186724U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186724U true JPH0186724U (en) | 1989-06-08 |
Family
ID=31474761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987183339U Pending JPH0186724U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186724U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61141222A (en) * | 1984-12-14 | 1986-06-28 | Anritsu Corp | Diode switch circuit |
-
1987
- 1987-11-30 JP JP1987183339U patent/JPH0186724U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61141222A (en) * | 1984-12-14 | 1986-06-28 | Anritsu Corp | Diode switch circuit |
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