JPS59140517U - Vacuum tube circuit input circuit - Google Patents
Vacuum tube circuit input circuitInfo
- Publication number
- JPS59140517U JPS59140517U JP3298383U JP3298383U JPS59140517U JP S59140517 U JPS59140517 U JP S59140517U JP 3298383 U JP3298383 U JP 3298383U JP 3298383 U JP3298383 U JP 3298383U JP S59140517 U JPS59140517 U JP S59140517U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum tube
- circuit
- input
- tube circuit
- frequency band
- 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
Landscapes
- Amplifiers (AREA)
- Transmitters (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のτ型入力回路の回路図、第２図は本考案
の実施例の回路図である。図において、１・・・・・・
電力増幅器の入力端子、２・・・・・・π型入力回路、
３・・・・・・真空管の入力インピーダンスの等膜回路
、４・・・・・・可変コンデンサ、５，６．１４・・・
・・・可変コイル、７・・・・・・ＤＣ阻止用コンデン
サ、８・・・・・・スワンピング抵抗、９・・・・・・
真空管の入力インピーダンス、１０・・・・・・真空管
の入力容量、１２・・・・・・入力回路、１３・・・・
・・ストリップラインである。FIG. 1 is a circuit diagram of a conventional τ type input circuit, and FIG. 2 is a circuit diagram of an embodiment of the present invention. In the figure, 1...
Power amplifier input terminal, 2...π type input circuit,
3... Equal membrane circuit for vacuum tube input impedance, 4... Variable capacitor, 5,6.14...
...Variable coil, 7...DC blocking capacitor, 8...Swamping resistor, 9...
Vacuum tube input impedance, 10... Vacuum tube input capacity, 12... Input circuit, 13...
...It's a strip line.
Claims (1)
スを有しその周波数帯の最高周波数の％波長の電気長を
もちプリント基板上に形成されたストリップラインと、
このストリップラインと直列接続される可変容量コイル
とを備え、信号入力端と真空管回路の入力端との間に接
続されてその真空管回路の入力インピーダンスの嚇合を
されるようにしたことを特徴とする真空管回路の入力回
路。A stripline formed on a printed circuit board having a characteristic impedance matching the center frequency of the frequency band used and an electrical length of % wavelength of the highest frequency of the frequency band;
The strip line is equipped with a variable capacitance coil connected in series, and is connected between the signal input end and the input end of the vacuum tube circuit to match the input impedance of the vacuum tube circuit. Input circuit for vacuum tube circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3298383U JPS59140517U (en) | 1983-03-08 | 1983-03-08 | Vacuum tube circuit input circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3298383U JPS59140517U (en) | 1983-03-08 | 1983-03-08 | Vacuum tube circuit input circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59140517U true JPS59140517U (en) | 1984-09-19 |
Family
ID=30163788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3298383U Pending JPS59140517U (en) | 1983-03-08 | 1983-03-08 | Vacuum tube circuit input circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140517U (en) |
-
1983
- 1983-03-08 JP JP3298383U patent/JPS59140517U/en active Pending
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