JPS60174367U - TV receiver trap circuit - Google Patents
TV receiver trap circuitInfo
- Publication number
- JPS60174367U JPS60174367U JP1984062823U JP6282384U JPS60174367U JP S60174367 U JPS60174367 U JP S60174367U JP 1984062823 U JP1984062823 U JP 1984062823U JP 6282384 U JP6282384 U JP 6282384U JP S60174367 U JPS60174367 U JP S60174367U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- parallel resonant
- switching diode
- catv
- 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
Landscapes
- Details Of Television Systems (AREA)
- Filters And Equalizers (AREA)
- Electronic Switches (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるテレビ受信機のトラップ回路の一
実施例を示す電気回路図、第２図は従来のＦＭ）ラップ
回路図、第３図は周波数特性図である。
１・・・・・・入力端子、２，３，９・・・・・・コイ
ル、４゜５．１０，１３．１５・・・・・・コンデンサ
、６，７・・・・・・並列共振回路、１１・・・・・・
直列共振回路、１２゜１４・・・・・・スイッチングダ
イオード、１６，１７゜１８．１９・・・・・・抵抗、
２０・・・・・・ＣＡＴＶ用切換接点、２１・・・・・
・−膜数送用切換接点、２２・・・・・・スイッチング
回路、２３・・・・・・共通接点、２４・・・・・・Ｆ
Ｍトラップ回路。FIG. 1 is an electric circuit diagram showing an embodiment of a trap circuit of a television receiver according to the present invention, FIG. 2 is a conventional FM wrap circuit diagram, and FIG. 3 is a frequency characteristic diagram. 1... Input terminal, 2, 3, 9... Coil, 4゜5.10, 13.15... Capacitor, 6, 7... Parallel Resonant circuit, 11...
Series resonant circuit, 12゜14...Switching diode, 16,17゜18.19...Resistance,
20...Switching contact for CATV, 21...
・-Membrane number feed switching contact, 22...Switching circuit, 23...Common contact, 24...F
M trap circuit.
Claims (2)
並列共振回路を直列に挿入し、これらの並列共振回路の
結合点と接地間に直列共振回路を挿入してなるトラップ
回路において、直列に挿入された前記２個の並列共振回
路と並列にＣＡＴＶ用スイラスイツチングダイオード力
側からみて逆向にして結合し、前記２個の並列共振回路
の結合点と直列共振回路の間に一般放送用スイツチング
ダイオードを、並列共振回路側からみて逆向にして挿入
し、前記ＣＡＴＶ用スイラスイツチングダイオードード
側をトラップ回路に内蔵したスイッチング回路やＣＡＴ
Ｖ用切換接点に結合し、カソード側を抵抗を介して接地
し、前記−膜数送用スイツチングダイオードのアノード
側を、前記スイッチング回路の一般放送用切換接点に結
合してなることを特徴とするテレビ受信機のトラップ回
路。(1) In a trap circuit, two parallel resonant circuits consisting of a coil and a capacitor are inserted in series between the input and output, and a series resonant circuit is inserted between the connection point of these parallel resonant circuits and the ground. A CATV swivel switching diode is connected in parallel with the two parallel resonant circuits inserted in the circuit in opposite directions when viewed from the power side, and a general broadcasting circuit is connected between the connection point of the two parallel resonant circuits and the series resonant circuit. The switching diode for CATV is inserted in the opposite direction when viewed from the parallel resonant circuit side, and the CATV swivel switching diode side is built into the trap circuit for switching circuits and CAT.
V switching contact, the cathode side is grounded via a resistor, and the anode side of the switching diode for membrane number transmission is coupled to the general broadcasting switching contact of the switching circuit. TV receiver trap circuit.
オードをオン、オフするための直流電流の遮断兼用とし
た実用新案登録請求の範囲第１項記載のテレビ受信機の
トラップ回路。(2) A trap circuit for a television receiver according to claim 1, in which the capacitor of the series resonant circuit serves as a direct current cutoff for turning on and off a switching diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984062823U JPS60174367U (en) | 1984-04-27 | 1984-04-27 | TV receiver trap circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984062823U JPS60174367U (en) | 1984-04-27 | 1984-04-27 | TV receiver trap circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60174367U true JPS60174367U (en) | 1985-11-19 |
| JPH0141221Y2 JPH0141221Y2 (en) | 1989-12-06 |
Family
ID=30592396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984062823U Granted JPS60174367U (en) | 1984-04-27 | 1984-04-27 | TV receiver trap circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04262683A (en) * | 1990-08-06 | 1992-09-18 | Thomson Consumer Electron Inc | Television receiver |
-
1984
- 1984-04-27 JP JP1984062823U patent/JPS60174367U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04262683A (en) * | 1990-08-06 | 1992-09-18 | Thomson Consumer Electron Inc | Television receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0141221Y2 (en) | 1989-12-06 |
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