Published:2011/7/10 3:59:00 Author:chopper | Keyword: DC-AC, converter circuit
BIC1422 DC-AC converter circuit is shown as picture
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Published:2011/7/9 1:30:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated
The CHT0818 is a single-chip micro-computer IC which is widely used in Changhong series large-screen color TV sets, such as the Changhong CH-10 cassette mechanism.
1.Its functional features.
The CHt0818 IC's internal part is mainly made up of central processing unit (CPU), clock oscillation circuit, reset control circuit, I2C bus control circuit, key command decoding circuit, sound system control circuit, remote-control command signal processing circuit, degaussing control circuit, memory control circuit, screen display character generating and processing circuit and other some control and auxiliary function circuits and so on. Its internal circuit diagram and pin's function and signal flowing is shown in picture 1.
The picture 1 shows the CHT0818 IC's internal circuit diagram and pin's function and signal flowing.
2.Its pin's function and data.
The CHT0818 IC uses 42-pin dual package. Its pin's function is shown in picture 1 and its pin's letter code and data is listed in table 1.
The table 1 shows the CHT0818 IC's pin's letter code and data. (View)
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Published:2011/7/9 2:15:00 Author:Robert | Keyword: Micro-Computer, Control, Integrated
The CHT0808 is a master micro-computer control IC which is used in Changhong CH-10 cassette mechanism series large-screen color TV sets. The large-screen color TV sets which belong to the Changhong CH-10 cassette mechanism series and the derived types have:
Double Red Happyness series: 2521FD, 2938FD, D2983, D2985, 2527FD, D2986, 2936FD, 2939FD, 2931FD, R2938D, D2983FD, RF29D18, 34D18 and so on.
Century Fate series: 29SD83, 29SD85, 34SD18, 295D89 and so on.
Golden Sun series: G2521, G2526, G2983, G3487, G3488 and so on.
The CHT0808 IC uses 42-pin dual package. Its internal circuit diagram and pin's function and signal flowing is shown in picture 1 and its pin's letter code and data is listed in table 1.
The picture 1 shows the CHT0808 IC's internal circuit diagram and pin's function and signal flowing.
The table 1 shows the CHT0808 IC's pin's letter code and data. (View)
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Published:2011/7/9 2:22:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated
The CHT0807 is a single-chip micro-computer IC which is widely used in Changhong series large-screen color TV sets.
The CHT0807 IC uses 42-pin dual inline package. Its pin's letter code and data is listed in table 1 and its internal circuit diagram and pin's function and signal flowing is shown in picture 1.
The table 1 shows the CHT0807 IC's pin's letter code and data.
The picture 1 shows the CHT0807 IC's internal circuit diagram and pin's function and signal flowing. (View)
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Published:2011/7/9 1:55:00 Author:Robert | Keyword: Display, Control, Micro-Computer, Integrated
The CH52010 is a display control micro-computer IC which is widely used in Changhong series VCD players and so on.
1.Its functional features.
The CH52010 IC is mainly used for receiving local-machine's keyboard scanning signals and then processing: OCD display control and front panel VFD display screen's all kinds of display control.
2.Its pin's function and data.
The CH52010 IC uses 64-pin dual inline package and its pin's function and data is listed in table 1.
The table 1 shows the CH52010 IC's pin's function and data.
3.Typical application circuit. The VFD display control typical application circuit composed of CH52010 IC is shown in picture 1.
Note: The main conditions of CH52010's normally working is that the pin 26 should be connected with +5V power, pin 58 should be connected to ground, pin 56 and pin 57 should be connected to 4.19MHz start-up crystal.
The picture 1 shows the CH52010 IC's typical application circuit. (View)
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Published:2011/7/7 22:51:00 Author:Michel | Keyword: Single Pipe, Amplifier Transist, DC, Voltage Regulation Circuit
The DC voltage regulation circuit of single pipe amplifier transistor is shown as above.Welome to download the ciruit and the circuit is from www.dzsc.com. (View)
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Published:2011/7/10 18:51:00 Author:TaoXi | Keyword: basic application
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Published:2011/7/10 18:52:00 Author:TaoXi | Keyword: charger, P-channel, MOSFET design
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Published:2011/7/10 18:54:00 Author:TaoXi | Keyword: Rate associated, push-pull, voltage converter
Figure:Rate associated push-pull voltage converter circuit
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Published:2011/7/10 18:54:00 Author:TaoXi | Keyword: Practical, lithium ion battery, charger
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Published:2011/7/10 18:56:00 Author:TaoXi | Keyword: Bridge type, voltage converter
Figure:Bridge type voltage converter circuit
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Published:2011/7/10 6:02:00 Author:leo | Keyword: Switch power source , thick film
TEA5170 is a kind of switch power source thick film integrated circuit produced by Thomson Company which is widely used in Toshiba 2500XH, MCI5A, Samsung C56229Z, Kangyi 66mm, Mud an 64C1, Jinxing C6418, Feiyue FY7403, Xihu C2918 and other color television. 1.Function features:TEA5170 contains power supply control circuit, drive pulse circuit, oscillator circuit, difference signal processing circuit and other circuits. 2.Pin functions and data:TEA5170 pin functions and other related data are shown in the picture. (View)
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Published:2011/7/10 18:58:00 Author:TaoXi | Keyword: Voltage converter, RC link, control frequency
Figure:Voltage converter circuit uses the RC link to produce the control frequency
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Published:2011/7/10 19:18:00 Author:leo | Keyword: Dual-audio, power amplifier
CXA1622 is a dual channel power amplifier integrated circuit produced by Sony Company in Japan which is widely used in low voltage recorder, walk man and computer stereo system.1. CXA1622 inner circuit diagram and pin functions:CXAl278N contains two similar power amplifier, record play back amplifier, electric volume control circuit and BTL stereo converting circuit. It uses 16-pin dual-line package. The inner circuit diagram of CXA1622 is shown in the picture 1.2. CXAl278N classic applying circuit is shown in the picture 2. (View)
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Published:2011/7/10 19:06:00 Author:TaoXi | Keyword: Pin, arrangement
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Published:2011/7/10 19:04:00 Author:TaoXi | Keyword: audio IC
The LA3361 audio IC circuit is as shown in the figure:
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Published:2011/7/10 18:40:00 Author:leo | Keyword: Single chip, record playback
LA4160-Single chip record playback integrated circuitLA4160 is a single chip record playback integrated circuit produced by Sanyo Company which is widely used in portable small recorder, read after recorder and other special recorder.
1.LA4160 inner circuit and pin functions:LA4160 inner circuit contains fronted amplifier, auto gain control circuit, power amplifier and AMACP circuit. Its inner circuit diagram is shown in the picture 1-1 whose advantages are high fronted gain, high output power and large auto gain coverage. 2.LA4160 main parameters:Limitations: When Ta=25℃, Vcc is 13 V and power consumption PD1 is 1.2 W, PD2 is 2.25W. (View)
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Published:2011/7/10 19:03:00 Author:TaoXi | Keyword: audio IC
The LA3225T-6T audio IC circuit is as shown in the figure:
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Published:2011/7/10 19:01:00 Author:TaoXi | Keyword: 5V/10A, 100khz, choking coil, communication device, SIPMOS transistor
Figure:5V/10A 100khz choking coil communication device circuit uses the SIPMOS transistor
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Published:2011/7/10 18:59:00 Author:TaoXi | Keyword: charger, PNP transistor
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