JPH036332U - - Google Patents
Info
- Publication number
- JPH036332U JPH036332U JP6576589U JP6576589U JPH036332U JP H036332 U JPH036332 U JP H036332U JP 6576589 U JP6576589 U JP 6576589U JP 6576589 U JP6576589 U JP 6576589U JP H036332 U JPH036332 U JP H036332U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- plate
- coil
- vacuum tube
- supplied
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Transmitters (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は従来のサージ電圧波形図、第３図は本考案によ
るサージ電圧波形図である。
１……チヨークコイル、２……４極真空管、３
……サージ抑圧回路、４……直流電圧阻止コンデ
ンサ、５……サージアブソーバ、６……コンデン
サ、７……抵抗、８……高周波阻止コイル、９…
…高周波結合コンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a conventional surge voltage waveform diagram, and FIG. 3 is a surge voltage waveform diagram according to the present invention. 1...Chiyoke coil, 2...Tethode vacuum tube, 3
...Surge suppression circuit, 4...DC voltage blocking capacitor, 5...Surge absorber, 6...Capacitor, 7...Resistor, 8...High frequency blocking coil, 9...
...High frequency coupling capacitor.
Claims (1)
コイルとを介して４極真空管のプレートに供給さ
れる高圧直流電圧に低周波変調信号を重畳し前記
４極真空管のグリツドに供給される搬送波を変調
して出力する大電力放送機のプレート変調回路に
おいて、 前記チヨークコイルの出力端と接地との間に抵
抗とサージアブソーバとコンデンサとを直列に接
続したサージ抑圧回路を設けたことを特徴とする
大電力放送機のプレート変調回路。[Claims for Utility Model Registration] A low-frequency modulation signal is superimposed on the high-voltage DC voltage supplied from a high-voltage DC power source to the plate of the tetrode vacuum tube via a choke coil and a high-frequency blocking coil, and the resulting voltage is supplied to the grid of the tetrode vacuum tube. A plate modulation circuit for a high-power broadcasting device that modulates and outputs a carrier wave, characterized in that a surge suppression circuit in which a resistor, a surge absorber, and a capacitor are connected in series is provided between the output end of the chiyoke coil and the ground. Plate modulation circuit for high power broadcasting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065765U JPH0638497Y2 (en) | 1989-06-07 | 1989-06-07 | Plate modulation circuit for high power broadcasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065765U JPH0638497Y2 (en) | 1989-06-07 | 1989-06-07 | Plate modulation circuit for high power broadcasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036332U true JPH036332U (en) | 1991-01-22 |
| JPH0638497Y2 JPH0638497Y2 (en) | 1994-10-05 |
Family
ID=31597886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989065765U Expired - Fee Related JPH0638497Y2 (en) | 1989-06-07 | 1989-06-07 | Plate modulation circuit for high power broadcasting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638497Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162483U (en) * | 1985-03-29 | 1986-10-08 |
-
1989
- 1989-06-07 JP JP1989065765U patent/JPH0638497Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162483U (en) * | 1985-03-29 | 1986-10-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638497Y2 (en) | 1994-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |