JPH0170469U - - Google Patents
Info
- Publication number
- JPH0170469U JPH0170469U JP1987165210U JP16521087U JPH0170469U JP H0170469 U JPH0170469 U JP H0170469U JP 1987165210 U JP1987165210 U JP 1987165210U JP 16521087 U JP16521087 U JP 16521087U JP H0170469 U JPH0170469 U JP H0170469U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- vertical
- discharge
- frequency
- voltage
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図はこの考案の一実施例による垂直偏向回
路の構成図、第２図は第１図の各部の波形図、第
３図は従来の垂直偏向回路の構成図、第４図は第
３図の各部の波形図である。
１……垂直発振回路、２……のこぎり波電圧発
生回路、３……放電用定電流回路、４……出力回
路、５……増幅器、６……Ｆ―Ｖコンバータ、Ｔ
ｒ……トランジスタ、Ｃ……コンデンサ、Ｓ……
スイツチ、Ｌ……偏向コイル。なお、図中、同一
符号は同一または相当部分を示す。
Fig. 1 is a block diagram of a vertical deflection circuit according to an embodiment of this invention, Fig. 2 is a waveform diagram of each part of Fig. 1, Fig. 3 is a block diagram of a conventional vertical deflection circuit, and Fig. 4 is a block diagram of a vertical deflection circuit according to an embodiment of the present invention. It is a waveform chart of each part of a figure. DESCRIPTION OF SYMBOLS 1... Vertical oscillation circuit, 2... Sawtooth voltage generation circuit, 3... Constant current circuit for discharge, 4... Output circuit, 5... Amplifier, 6... F-V converter, T
r...Transistor, C...Capacitor, S...
Switch, L... Deflection coil. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
作する垂直発振回路と、この垂直発振回路の発振
動作によりトリガされるスイツチと充放電コンデ
ンサと制御極を有する放電用定電流回路とからな
るのこぎり波電圧発生回路と、こののこぎり波電
圧発生回路で発生したのこぎり波電圧を増幅して
偏向コイルを駆動する出力回路とを具備した垂直
偏向回路において、上記放電用定電流回路の制御
電圧を上記垂直同期信号の周波数に対して比例制
御する周波数―電圧変換回路を備えたことを特徴
とする垂直偏向回路。 A sawtooth waveform consisting of a vertical oscillation circuit that operates in synchronization with the input of a variable frequency vertical synchronization signal, a switch triggered by the oscillation operation of this vertical oscillation circuit, a constant current circuit for discharge that has a charge/discharge capacitor, and a control pole. In a vertical deflection circuit that includes a voltage generation circuit and an output circuit that amplifies the sawtooth voltage generated by the sawtooth voltage generation circuit and drives a deflection coil, the control voltage of the discharge constant current circuit is controlled by the vertical synchronization. A vertical deflection circuit characterized by comprising a frequency-voltage conversion circuit that performs proportional control to the frequency of a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165210U JPH0170469U (en) | 1987-10-27 | 1987-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165210U JPH0170469U (en) | 1987-10-27 | 1987-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170469U true JPH0170469U (en) | 1989-05-10 |
Family
ID=31451489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165210U Pending JPH0170469U (en) | 1987-10-27 | 1987-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170469U (en) |
-
1987
- 1987-10-27 JP JP1987165210U patent/JPH0170469U/ja active Pending