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ENVISION CM-336337 type color display power supply circuit

Published:2011/6/5 9:58:00 Author:John | Keyword: color display

ENVISION CM-336337 type color display power supply circuit
ENVISION CM-336337 type color display power supply circuit is shown below.   (View)

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GREAT WALL GW-100100C type display power supply circuit

Published:2011/6/5 10:07:00 Author:John | Keyword: display

GREAT WALL GW-100100C type display power supply circuit
GREAT WALL GW-100100C type display power supply circuit is shown in the following.   (View)

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Field-effect transistor RSS065N03、RSS070N05、RSS085N05、RSS090N03 internal circuit

Published:2011/6/5 10:17:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor RSS065N03、RSS070N05、RSS085N05、RSS090N03 internal circuit
Field-effect transistor RSS065N03、RSS070N05、RSS085N05、RSS090N03 internal circuit is shown below.   (View)

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Trigger circuit

Published:2011/6/5 10:21:00 Author:John | Keyword: Trigger

Trigger circuit
Trigger circuit is shown in the following.   (View)

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power MOSFET isolated gate drive circuit

Published:2011/6/7 20:09:00 Author:John | Keyword: isolated gate

power MOSFET isolated gate drive circuit
Power MOSFET isolated gate drive circuit is just as shown in the figure. In the circuit, pulse signals input to terminal A and B are from the switching power supply integrated controllers such as TL494 or UC3852. T1 and T2 are pulse transformers, which aim to provide high-low voltage isolation and enhance the ability of anti-noise. Therefore, high power switching circuit can work reliably. Circuit’s duty cycle can be adjusted with a range from 0% to 45%. Switching characteristics of power MOSFET are quite related to the ability of the gate drive. VT3 and VT4 here all use PNP-type transistors in order to rapidly discharge accumulation of charge between the power MOSFET's gate and source pole , thereby reducing its on / off delay time.   (View)

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MN67790 copyright protection decryption integrated circuit

Published:2011/6/8 2:10:00 Author:Christina | Keyword: copyright, protection, decryption, integrated circuit

MN67790 copyright protection decryption integrated circuit
MN67790 copyright protection decryption integrated circuit
MN67790 copyright protection decryption integrated circuit

The MN67790 is designed as one kind of copyright protection decryption integrated circuit that is produced by the Panasonic corporation, it can be used in the DVD players which use the Panasonic machine, such as the Panasonic series, the WanLiDa, the TCL, the DingTian, the KONKA and the HongTu.etc. 1.Features The MN67790 integrated circuit is composed of six regional area code decoding circuits, the key decryption circuit, the bus switch circuit, the code comparison circuit, the copying protection circuit and the microprocessor interface circuit.etc. This device can be used to decode the area code and the password, so that you can playback the 6 regions of DVD discs. 2.Pin functions and data The MN67790 integrated circuit is in the 80-pin four-row flat package, the pin functions and the typical operating parameters of pin-5 is as shown in the table, the arrangement of pin functions is as shown in the figure (e), the key-pin waveform is as shown in figure 9(a)-(d). The pin functions and data of the MN67790 integrated circuit   (View)

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RQK0201QGDQA、RQK0202RGDQA、RQK0203SGDQA internal circuit

Published:2011/6/7 19:48:00 Author:John

RQK0201QGDQA、RQK0202RGDQA、RQK0203SGDQA internal circuit
RQK0201QGDQA、RQK0202RGDQA、RQK0203SGDQA internal circuit is shown below.   (View)

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Serial LED digital tube static display circuit (common positive)

Published:2011/6/7 19:47:00 Author:John | Keyword: Serial LED digital tube

Serial LED digital tube static display circuit (common positive)
Serial LED digital tube static display circuit (common positive) is shown below.   (View)

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RQK0204TGDQA、RQK0203MGDQA、RQK0302GGDQA internal circuit

Published:2011/6/7 19:42:00 Author:John

RQK0204TGDQA、RQK0203MGDQA、RQK0302GGDQA internal circuit
RQK0204TGDQA、RQK0203MGDQA、RQK0302GGDQA internal circuit is shown in the following.   (View)

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RQK0302GGDQS、RQK0301FGDQS internal circuit

Published:2011/6/7 19:41:00 Author:John

RQK0302GGDQS、RQK0301FGDQS internal circuit
RQK0302GGDQS、RQK0301FGDQS internal circuit is shown below.   (View)

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acoustic control four-tone doll electric principle circuit

Published:2011/6/7 19:40:00 Author:John | Keyword: acoustic control four-tone doll

acoustic control four-tone doll electric principle circuit
This circuit uses the FL-11 blocks without few external components. The device is simple. The completed acoustic control board is connected to the speaker with 2 1 / 4 inches. Put the unit into the box and add 4 5-storm cells and its support outside. Power on and push the entire device into the doll’s body. Once clapped, its voices of crying or shouting for father and mother can achieve the degree of real ones. This circuit is generally needed to be debugged because it is able to succeed.   (View)

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Serial LED digital tube scanning circuit (common positive)

Published:2011/6/7 10:33:00 Author:John | Keyword: LED digital tube

Serial LED digital tube scanning circuit (common positive)
Serial LED digital tube scanning circuit (common positive) is shown in the following.   (View)

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RSE002P03、RSF010P03 internal circuit

Published:2011/6/7 10:31:00 Author:John

RSE002P03、RSF010P03 internal circuit
RSE002P03、RSF010P03 internal circuit is shown below.   (View)

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HY-2 music IC typical application circuit

Published:2011/6/7 10:30:00 Author:John | Keyword: music IC

HY-2 music IC typical application circuit
HY-2 music IC has three pieces of music inside. When the circuit is triggered, the output music signal also changes accordingly. When the trigger terminal is connected with the trigger level, the circuit will affect to repeat preset three songs again and again until the trigger level stops. HY-2 music IC typical application circuit is as shown below.   (View)

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parallel LED digital tube static display circuit (common cathode)

Published:2011/6/7 10:16:00 Author:John | Keyword: LED digital tube

parallel LED digital tube static display circuit (common cathode)
Parallel LED digital tube static display circuit (common cathode) is shown below.   (View)

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GERAT WALL GW-200200H color monitor power supply circuit

Published:2011/6/6 23:39:00 Author:John | Keyword: color monitor

GERAT WALL GW-200200H color monitor power supply circuit
GERAT WALL GW-200200H color monitor power supply circuit is shown in the following.   (View)

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Field-effect transistor RSS040P03 internal circuit

Published:2011/6/6 0:39:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor RSS040P03 internal circuit
Field-effect transistor RSS040P03 internal circuit is shown in the following.   (View)

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CTX C2-type dual-frequency monitor power supply circuit

Published:2011/6/6 23:44:00 Author:John | Keyword: dual-frequency monitor

CTX C2-type dual-frequency monitor power supply circuit
CTX C2-type dual-frequency monitor power supply circuit is shown below.   (View)

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MN67740 video decoding integrated circuit

Published:2011/6/8 2:21:00 Author:Christina | Keyword: video decoding, integrated circuit

MN67740 video decoding integrated circuit
MN67740 video decoding integrated circuit
MN67740 video decoding integrated circuit
MN67740 video decoding integrated circuit

The MN67740 is designed as one kind of video decoding integrated circuit that is produced by the Panasonic corporation, and it can be used in the DVD players such as the Panasonic, the WanLiDa, the TCL and the Konka. 1.Features The MN67740 integrated circuit is composed of the audio / video data packets, the video decoding circuit, the video interface circuit, the sub-image decoding circuit, the main interface circuit, the memory interface circuit.etc. The main functions of the MN67740 are changing the compressed data into the audio and video data signals, and it decodes the video data and sub-image, then transports the video signal to the encoder in 8-bit or 16 bit format. 2.Pin functions and data The MN67740 integrated circuit is in the 160-pin quartet Package, the pin functions and data is as shown in the table. The critical pin waveform is as shown in the figure. The pin functions and data of the MN67740 integrated circuit The critical pin waveform of the MN67740   (View)

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AN8825NFHQ-the integrated process circuit of the front end of the machine core

Published:2011/5/18 0:48:00 Author:Borg | Keyword: process circuit, machine core

AN8825NFHQ-the integrated process circuit of the front end of the machine core
AN8825NFHQ-the integrated process circuit of the front end of the machine core
AN8825NFHQ-the integrated process circuit of the front end of the machine core
AN8825NFHQ-the integrated process circuit of the front end of the machine core

AN8825NFHQ is an integrated process circuit of the front end of the machine core produced by Panasonic specially for DVD players of the first generation. It is widely used in Panasonic DVD players.1.Function featuresAN8825NFHQ can convert the signals which are delivered and magnified by laser heads into synchronous RF digital signals, besides ,it also shifts the disc information read out by laser heads into focus error and track error signals for the sub-circuits. The internal circuit of it is as shown in Figure 1. 2.pin functions and data   (View)

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