CN2215787Y - Field outgoing circuit - Google Patents
Field outgoing circuit Download PDFInfo
- Publication number
- CN2215787Y CN2215787Y CN 94240311 CN94240311U CN2215787Y CN 2215787 Y CN2215787 Y CN 2215787Y CN 94240311 CN94240311 CN 94240311 CN 94240311 U CN94240311 U CN 94240311U CN 2215787 Y CN2215787 Y CN 2215787Y
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- CN
- China
- Prior art keywords
- triode
- circuit
- resistance
- push
- output circuit
- 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.)
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Abstract
The utility model relates to a field output circuit device. The utility model is formed by a voltage amplifying circuit, a push-pull output circuit and a pulse amplifying circuit which are connected together, wherein, the voltage amplifying circuit is composed of a triode V01, etc.; the push-pull output circuit is formed by the connection of triodes V02 and V03, resistors R02 and R03, R04 and R05, diodes V05 and V06, and a capacitor C2, and a base electrode of the triode V02 and the resistor R02 are together connected with an output terminal of the voltage amplifying circuit. The pulse amplifying circuit is composed of a triode V04, etc., the input of the pulse amplifying circuit is the output and the push-pull stage and is connected with a main push-pull stage power supply. The utility model can be used as the field output circuit for the color TV sets or the color monitors with various sizes. The utility model can drive the field deflections of various impedances. The utility model has the characteristics of strong driving ability, small linear distortion, good consistency and high reliability.
Description
The utility model relates to a kind of vertical output circuit device, particularly relates to a kind of color television set of being made up of discrete component that is adapted to various sizes or the vertical output circuit device on the colour picture monitor.
The colored movement of PANASONIC M11 is to adopt discrete component to form the vertical output circuit device, as shown in Figure 1, and triode V
01With triode V
03Form to regulate along separate routes and recommend the OTL (out-put-transformer-less) output circuit, make deflection current flow through deflecting coil.At the first half of sawtooth waveforms, triode V
01Do voltage amplification, triode V
03Do electric current output; Latter half of at sawtooth waveforms, triode V
01Do electric current output, triode V
03End.The first half of sawtooth waveforms is through triode V
01After the voltage amplification by collector electrode through diode V
05Add to triode V
03Base stage, make triode V
03Conducting, output current flows to deflecting coil.The latter half of direct driving triode V of sawtooth waveforms
01Conducting, output current flows into triode V by deflecting coil
01When the latter half of end of sawtooth waveforms, triode V
01Suddenly end, the deflecting coil two ends will produce the back electromotive force flyback pulse, this pulse amplitude can beyond supply voltage 2 times.For making the flyback pulse energy not to horizontal expansion, produce picture top defective, the supply voltage of retrace interval must be increased to 2 times of trace scanning power supply voltages.Triode V
04Design for satisfying this requirement Deng the pulse amplifying circuit of forming.
During the driving high impedance deflecting coil (Ry=56 Ω) of known this vertical output circuit device, has characteristic preferably.Along with the development of picture tube technology, the impedance of deflecting coil has been reduced to about 1/6 original (Ry=9.1 Ω).This circuit is when driving the Low ESR deflecting coil, though can satisfy the output amplitude requirement through after the parameter adjustment, consumed power is big, and linear consistency is relatively poor, and to triode V
01With triode V
03Parameter request too harsh.Its basic reason is that this circuit is a unsymmetric structure circuit, triode V
01Work in the common emitter magnifying state, its driving force is limited, and under big current work state, the electric current amplifying power sharply descends, and its feedback quantity has been difficult to satisfy linear requirement.
The purpose of this utility model just provides a kind of vertical output circuit device, this device circuit adopts symmetrical structure, driving force is strong, under big current work state, still can keep favorable linearity, can drive the picture tube of various different deflection impedances, be a kind of well behaved separate piece vertical output circuit.Simultaneously, this circuitry consumes power is little, and is very not harsh to the parameter request of triode, the reliability height.
The utility model is to adopt following measure to realize its purpose.
The utility model that is connected and composed by voltage amplifier circuit and pulse amplifying circuit also is being connected push-pull output circuit.Connect push-pull output circuit behind the voltage amplifier circuit, push-pull output circuit connects load, connects pulse simultaneously and amplifies input, and pulse amplifying circuit output is connected to the push-pull output circuit power supply.Described push-pull output circuit is by triode V
02And V
03, resistance R
02, R
03, R
04And R
05, diode V
05And V
06And capacitor C
02Connect and compose triode V
02Base stage and resistance R
02Be connected with the output of voltage amplifier circuit jointly.Voltage amplifier circuit is by triode V
01, resistance R
01And capacitor C
01Connect and compose.Pulse amplifying circuit is by triode V
04, resistance R
14, R
15, R
16And R
17, diode V
07And V
08, capacitor C
03And C
06Connect and compose.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the vertical output circuit figure of the colored movement of PANASONIC M11,
Fig. 2 is a circuit diagram of the present utility model.
Below in conjunction with accompanying drawing the utility model is further described:
By triode V
01, resistance R
01And capacitor C
01The voltage amplifier circuit that connects and composes is the one-level voltage amplifier circuit, triode V
01Work in the Class A state.Triode V
02With triode V
03And other components and parts are jointly as triode V
01The emitter follower of output voltage is formed push-pull output stage, makes electric current and amplifies usefulness.Triode V
04Deng the composition pulse amplifying circuit, its output is connected to triode V
03Collector electrode is used to improve triode V during the field flyback
03Collector voltage prevents picture top defective.Electrical connection of the present utility model is as follows:
Triode V
01Grounded emitter, base stage connects and to drive output, collector electrode is connected to resistance R
02An end and triode V
02Base stage; Resistance R
02A termination triode V
01Collector electrode and triode V
02Base stage, another terminating diode V
05Negative pole; Diode V
05Negative pole connecting resistance R
02An end, positive pole is connected to diode V
06Negative pole, resistance R
03An end and triode V
03Base stage; Resistance R
03A terminating diode V
05Positive pole, diode V
06Negative pole and triode V
03Base stage, other end connecting resistance R
04An end and capacitor C
02Positive pole; Resistance R
04A terminating resistor R
03An end and capacitor C
02Positive pole, another termination triode V
03Collector electrode, capacitor C
06Positive pole and diode V
08Negative pole; Triode V
02Grounded collector, base stage meets triode V
01Collector electrode and resistance R
02An end, emitter connecting resistance R
05An end; Resistance R
05A termination triode V
02Emitter, another terminating diode V
06Positive pole, triode V
03Emitter, resistance R
14An end and anode, the capacitor C of deflecting coil
02Negative pole; Diode V
06Negative pole meet diode V
05Positive pole, resistance R
03An end and triode V
03Base stage, positive pole is connected to resistance R
05An end, capacitor C
02Negative pole, triode V
03Emitter, resistance R
14An end and the anode of deflecting coil; Capacitor C
02Anodal connecting resistance R
03An end and resistance R
04An end, negative pole meets diode V
06Positive pole, resistance R
05An end, triode V
03Emitter, resistance R
14An end and the anode of deflecting coil; Triode V
03Emitter meet diode V
06Positive pole, resistance R
05An end, capacitor C
02Negative pole, resistance R
14An end and the anode of deflecting coil, collector electrode connecting resistance R
04An end, capacitor C
06Positive pole and diode V
08Negative pole; Resistance R
17One end ground connection, other end connecting resistance R
16An end and capacitor C
06Negative pole; Capacitor C
06Anodal connecting resistance R
04An end, triode V
03Collector electrode and diode V
08Negative pole, negative pole connecting resistance R
16An end and resistance R
17An end; Resistance R
16A terminating resistor R
17An end and capacitor C
06Negative pole, another termination triode V
04Emitter and diode V
07Positive pole; Diode V
08Positive pole meet power supply+Vcc, negative pole connects capacitor C
06Positive pole, resistance R
04An end and triode V
03Collector electrode; Diode V
07Positive pole meet triode V
04Emitter and resistance R
16An end, negative pole connecting resistance R
15An end, triode V
04Base stage and capacitor C
03Negative pole; Triode V
04Emitter connecting resistance R
16An end and diode V
07Positive pole, base stage connecting resistance R
15An end, diode V
07Negative pole and capacitor C
03Negative pole; Collector electrode meets power supply+Vcc; Resistance R
15An end ground connection, another terminating diode V
07Negative pole, triode V
04Base stage and capacitor C
03Negative pole; Capacitor C
03Negative pole meet triode V
04Base stage, diode V
07Negative pole and resistance R
15An end, anodal connecting resistance R
14An end; Resistance R
14A termination capacitor C
03Positive pole, another terminating diode V
06Positive pole, resistance R
05An end, capacitor C
02Negative pole, triode V
03Emitter and the anode of deflecting coil.
The course of work of circuit is as follows: from the field pulse of drive(r) stage, through triode V
01After the voltage amplification, add to triode V
02, V
03Base stage, through V
02, V
03Electric current obtains field output voltage at emitter after amplifying, and this voltage adds to deflecting coil V.DY through C
04, R
09Go into ground.In deflecting coil V.DY, produce deflection current.At retrace interval, pulse is through V
04After the amplification, at R
17Last generation one pulse voltage, this voltage makes V
03Collector voltage is improved at retrace interval.Satisfy of the requirement of retrace interval circuit to supply voltage.
The utility model can be used for making vertical output circuit in the color television set of various sizes or the colour picture monitor.The power supply of wide-voltage range single power supply.Can drive the field deflection of various impedances.Driving force is strong, linear distortion is little, high conformity, reliability height.Be a kind of high-performance, low-cost vertical output circuit device.
Claims (3)
1, a kind of vertical output circuit device, it is to be connected and composed by voltage amplifier circuit, push-pull output circuit and pulse amplifying circuit, it is characterized in that connecing push-pull output circuit behind the voltage amplifier circuit, push-pull output circuit connects load, connect the pulse amplifying circuit input simultaneously, pulse amplifying circuit output is connected to the push-pull output circuit power supply, and push-pull output circuit is by triode V
02And V
03, resistance R
02, R
03, R
04And R
05, diode V
05And V
06And capacitor C
02Connect and compose triode V
02Base stage and resistance R
02Be connected with the output of voltage amplifier circuit jointly.
2, a kind of vertical output circuit device according to claim 1 is characterized in that described voltage amplifier circuit is by triode V
01, resistance R
01And capacitor C
01Connect and compose.
3, a kind of vertical output circuit device according to claim 2 is characterized in that described pulse amplifying circuit is by triode V
04, resistance R
14, R
15, R
16And R
17, diode V
07And V
08, capacitor C
03And C
06Connect and compose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94240311 CN2215787Y (en) | 1994-04-23 | 1994-04-23 | Field outgoing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94240311 CN2215787Y (en) | 1994-04-23 | 1994-04-23 | Field outgoing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2215787Y true CN2215787Y (en) | 1995-12-20 |
Family
ID=33847324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94240311 Expired - Fee Related CN2215787Y (en) | 1994-04-23 | 1994-04-23 | Field outgoing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2215787Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901657B (en) * | 2005-07-05 | 2011-01-26 | 三星电子株式会社 | Tuner, broadcast signal processing apparatus comprising the same, and broadcast signal processing method |
-
1994
- 1994-04-23 CN CN 94240311 patent/CN2215787Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901657B (en) * | 2005-07-05 | 2011-01-26 | 三星电子株式会社 | Tuner, broadcast signal processing apparatus comprising the same, and broadcast signal processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |