CN104660868A - High-definition image intensifier control system - Google Patents
High-definition image intensifier control system Download PDFInfo
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- CN104660868A CN104660868A CN201510086736.XA CN201510086736A CN104660868A CN 104660868 A CN104660868 A CN 104660868A CN 201510086736 A CN201510086736 A CN 201510086736A CN 104660868 A CN104660868 A CN 104660868A
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Abstract
The invention provides a high-definition image intensifier control system which mainly comprises a power supply module, a microcomputer control module, an image signal amplification module and an image output module, wherein the power supply module is connected with an input end of the microcomputer control module and an input end of the image signal amplification module respectively; the image signal amplification module comprises a video pre-amplification module, an impedance conversion module and a video amplification module; the input end of the microcomputer control module is connected with the input end of the image signal amplification module, and an output end of the image signal amplification module is connected with the image output module. The high-definition image intensifier control system is simple in structure connection and facilitates high-definition image output; with adoption of an impedance conversion circuit, influence of load fluctuation on the voltage amplification factor can be reduced, cross interference distortion of output signals is prevented, and the image definition is enhanced.
Description
Technical field
The present invention relates to a kind of high-definition image multiplier (-icator), particularly relate to a kind of high-definition image multiplier (-icator) control system.
Background technology
TV has now been widely used in the every field of life, along with people improve the pursuit day by day of image definition, the display unit of image needs constantly to upgrade and improve imaging signal processing circuit, need the definition improving to reduce image fault water chestnut cake image to image output circuit simultaneously, in existing TV, the R of TV, G, B signal is all through winding displacement and is input to depending on putting input stage, winding displacement has decay by the restriction of material and the impact of technique to high-frequency signal, directly have influence on the definition of image, simultaneously, this winding displacement adds magnet ring, effectively can suppress the radiated interference in High-frequency Interference and space.In addition, usually the signal feedback depending on putting input stage is extremely put output stage to improve the definition of image in advance, but it likely causing when not having static working current, making circuit produce the distortions such as cross jamming.
Summary of the invention
In order to solve the problem, the invention provides a kind of anatomical connectivity simple, be convenient to the technical scheme that high-definition image exports:
A kind of high-definition image multiplier (-icator) control system, mainly comprise power module, microcomputer control module, picture signal amplification module, image output module, power module is connected with computer control module, picture signal amplification module input respectively, picture signal amplification module comprises pre-video amplification module, impedance transformation module, video amplifier module, microcomputer control module input connection layout image signal amplification module input, picture signal amplification module output connects image output module.
As preferably, pre-video amplifier mould ROUT holds four pin by the base stage of resistance R5 connecting triode AQ1, pre-video amplification module GOUT holds tripod by the base stage of resistance R7 connecting triode B Q2, pre-video amplification module BOUT holds a pin by the base stage of resistance R9 connecting triode Q3, resistance R9 contact resistance R2 ground connection, resistance R5 contact resistance R3 ground connection, resistance R7 contact resistance R4 ground connection, pre-video amplification module VCC holds two pin by the emitter of resistance R6 connecting triode Q1, the emitter of resistance R8 connecting triode Q2, the emitter of resistance R12 connecting triode Q3, resistance R8, resistance R9, resistance R6 common port access VCC end.
As preferably, image output module comprises video frequency output junction block J, SD video output terminal P, HD video lead-out terminal S, video frequency output junction block J six pin J6 connects HD video lead-out terminal S tripod S3 by resistance R17, video frequency output junction block J five pin J5 connects HD video lead-out terminal S seven pin S7 by resistance R16, and video frequency output junction block J bis-pin J2 connects HD video lead-out terminal S tetra-pin S4, SD video output terminal P tripod P3 successively.
As preferably, video frequency output junction block J tripod J3 connects electric capacity C2, HD video lead-out terminal S five pin S5 connects the electric capacity C2 other end by resistance R12, video frequency output junction block J tetra-pin J4 connects electric capacity C1, electric capacity C1 connects electric capacity C2, HD video lead-out terminal S bis-pin S2 connects the electric capacity C1 other end by resistance R11, and electric capacity C4 shunt capacitance C5 is connected between video frequency output junction block J tetra-pin J4, six pin J6.
Beneficial effect of the present invention is:
(1) the present invention adopts impedance transformation module, this impedance transformation module has high input impedance, low output impedance, input impedance is high, mean and can reduce to ask for signal code to signal source, output resistance is low, means that its load capacity is strong, namely reduces load change to the impact of voltage amplification factor, make output signal not produce cross jamming distortion, enhance the definition of image.
(2) circuit of the present invention is simple, convenient and reliable, and being convenient to high-definition image and exporting, is simple and practical high-definition image multiplier (-icator) control circuit.
Accompanying drawing explanation
Fig. 1 is syndeton block diagram of the present invention;
Fig. 2 is picture signal amplification module circuit diagram of the present invention;
Fig. 3 is image output module circuit diagram of the present invention.
Embodiment
For making goal of the invention of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
As shown in Figure 1, a kind of high-definition image multiplier (-icator) control system, mainly comprise power module 1, microcomputer control module 2, picture signal amplification module 3, image output module 4, power module 1 is connected with computer control module 2, picture signal amplification module 3 input respectively, picture signal amplification module 3 comprises pre-video amplification module 31, impedance transformation module 32, video amplifier module 33, microcomputer control module 2 input connection layout image signal amplification module 3 input, picture signal amplification module 3 output connects image output module 4.
As shown in Figure 2, pre-video amplification module 31 ROUT holds four pin 314 by the base stage of resistance E R5 connecting triode A Q1, pre-video amplification module 31 GOUT holds tripod 313 by the base stage of resistance G R7 connecting triode B Q2, pre-video amplification module 31 BOUT holds a pin 311 by the base stage of resistance I R9 connecting triode C Q3, resistance I R9 contact resistance B R2 ground connection, resistance E R5 contact resistance C R3 ground connection, resistance G R7 contact resistance D R4 ground connection, pre-video amplification module 31 VCC holds two pin 312 by the emitter of resistance F R6 connecting triode A Q1, the emitter of resistance H R8 connecting triode B Q2, the emitter of resistance L R12 connecting triode C Q3, resistance H R8, resistance I R9, resistance F R6 common port access VCC end, triode A Q1, triode B Q2, the equal ground connection of triode C Q3 collector electrode, triode A Q1 emitter also accesses video amplifier module 33 6 pin 336, triode B Q2 emitter access video amplifier module 33 4 pin 334, triode C Q3 collector electrode access video amplifier module 33 2 pin 332, video amplifier module 33 1 pin 331, tripod 333, five pin 335 are ground connection all.
As shown in Figure 3, image output module comprises video frequency output junction block J, SD video output terminal P, HD video lead-out terminal S, video frequency output junction block J six pin J6 connects HD video lead-out terminal S tripod S3 by resistance Q R17, video frequency output junction block J five pin J5 connects HD video lead-out terminal S seven pin S7 by resistance P R16, video frequency output junction block J bis-pin J2 connects HD video lead-out terminal S tetra-pin S4 successively, SD video output terminal P tripod P3, video frequency output junction block J mono-pin J1 connects HD video lead-out terminal S mono-pin S1 and connects HD video lead-out terminal S octal S8 by electric capacity C C3, video frequency output junction block J tripod J3 connects electric capacity B C2, HD video lead-out terminal S five pin S5 connects the electric capacity B C2 other end by resistance L R12, video frequency output junction block J tetra-pin J4 connects electric capacity A C1, electric capacity A C1 connects electric capacity B C2, HD video lead-out terminal S bis-pin S2 connects the electric capacity A C1 other end by resistance K R11, electric capacity D C4 shunt capacitance E C5 is connected on video frequency output junction block J tetra-pin J4, between six pin J6, SD video output terminal P mono-pin P1 connects SD video output terminal P bis-pin P2 and contact resistance M R13, resistance N R14 connects HD video lead-out terminal S octal S8, HD video lead-out terminal S six pin S6 is by the resistance O R15 contact resistance M R13 other end, pre-video amplifier circuit 31 lays respectively on mainboard and cathode-ray tube sheet with video amplifier circuit 33, when common-collector amplifier is positioned on mainboard, can obviously improve output image effect.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (4)
1. a high-definition image multiplier (-icator) control system, mainly comprise power module (1), microcomputer control module (2), picture signal amplification module (3), image output module (4), it is characterized in that: described power module (1) connects described microcomputer control module (2) respectively, described picture signal amplification module (3) input, described picture signal amplification module (3) comprises pre-video amplification module (31), impedance transformation module (32), video amplifier module (33), described microcomputer control module (2) input connects described picture signal amplification module (3) input, described picture signal amplification module (3) output connects described image output module (4).
2. a kind of high-definition image multiplier (-icator) control system according to claim 1, it is characterized in that: described pre-video amplification module (31) ROUT holds four pin (314) by the base stage of resistance E (R5) connecting triode A (Q1), described pre-video amplification module (31) GOUT holds tripod (313) by the base stage of resistance G (R7) connecting triode B (Q2), described pre-video amplification module (31) BOUT holds a pin (311) by the base stage of resistance I (R9) connecting triode C (Q3), resistance I (R9) contact resistance B (R2) ground connection, resistance E (R5) contact resistance C (R3) ground connection, resistance G (R7) contact resistance D (R4) ground connection, described pre-video amplification module (31) VCC holds two pin (312) by the emitter of resistance F (R6) connecting triode A (Q1), the emitter of resistance H (R8) connecting triode B (Q2), the emitter of resistance L (R12) connecting triode C (Q3), resistance H (R8), resistance I (R9), resistance F (R6) common port access VCC end.
3. a kind of high-definition image multiplier (-icator) control system according to claim 1, it is characterized in that: described image output module comprises video frequency output junction block (J), SD video output terminal (P), HD video lead-out terminal (S), described video frequency output junction block (J) six pin (J6) connects described HD video lead-out terminal (S) tripod (S3) by resistance Q (R17), described video frequency output junction block (J) five pin (J5) connects described HD video lead-out terminal (S) seven pin (S7) by resistance P (R16), described video frequency output junction block (J) two pin (J2) connects described HD video lead-out terminal (S) four pin (S4) successively, described SD video output terminal (P) tripod (P3).
4. a kind of high-definition image multiplier (-icator) control system according to claim 3, it is characterized in that: described video frequency output junction block (J) tripod (J3) connects electric capacity B (C2), described HD video lead-out terminal (S) five pin (S5) connects electric capacity B (C2) other end by resistance L (R12), described video frequency output junction block (J) four pin (J4) connects electric capacity A (C1), electric capacity A (C1) connects electric capacity B (C2), described HD video lead-out terminal (S) two pin (S2) connects electric capacity A (C1) other end by resistance K (R11), electric capacity D (C4) shunt capacitance E (C5) is connected on video frequency output junction block (J) four pin (J4), between six pin (J6).
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| CN201510086736.XA CN104660868A (en) | 2015-02-25 | 2015-02-25 | High-definition image intensifier control system |
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| CN201510086736.XA CN104660868A (en) | 2015-02-25 | 2015-02-25 | High-definition image intensifier control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105516546A (en) * | 2015-12-11 | 2016-04-20 | 成都汇智远景科技有限公司 | High-definition image intensifier |
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| US20020171768A1 (en) * | 2001-05-18 | 2002-11-21 | Rohm Co., Ltd. | Semiconductor device having DAC channels for video signals |
| CN2674781Y (en) * | 2003-11-14 | 2005-01-26 | 深圳创维－Rgb电子有限公司 | Image signal amplifying circuit |
| CN204089953U (en) * | 2014-09-25 | 2015-01-07 | 杭州杰电电子有限公司 | TV signal amplifiers |
| CN204392395U (en) * | 2015-02-25 | 2015-06-10 | 成都中远信电子科技有限公司 | A kind of high-definition image multiplier (-icator) control system |
-
2015
- 2015-02-25 CN CN201510086736.XA patent/CN104660868A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020171768A1 (en) * | 2001-05-18 | 2002-11-21 | Rohm Co., Ltd. | Semiconductor device having DAC channels for video signals |
| CN2674781Y (en) * | 2003-11-14 | 2005-01-26 | 深圳创维－Rgb电子有限公司 | Image signal amplifying circuit |
| CN204089953U (en) * | 2014-09-25 | 2015-01-07 | 杭州杰电电子有限公司 | TV signal amplifiers |
| CN204392395U (en) * | 2015-02-25 | 2015-06-10 | 成都中远信电子科技有限公司 | A kind of high-definition image multiplier (-icator) control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105516546A (en) * | 2015-12-11 | 2016-04-20 | 成都汇智远景科技有限公司 | High-definition image intensifier |
| CN105516546B (en) * | 2015-12-11 | 2018-06-19 | 山东诚海电子科技有限公司 | A kind of high-definition image multiplier (-icator) |
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