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Index 2008

Shanghai GM Cadillac CTS car 3.6 L motor circuit diagram(2)

Published:2011/4/26 1:40:00 Author:Nicole | Keyword: GM, Cadillac, CTS car, 3.6 L motor

Shanghai GM Cadillac CTS car 3.6 L motor circuit diagram(2)
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Shanghai GM Cadillac CTS car 3.6 L motor circuit diagram(1)

Published:2011/4/26 1:41:00 Author:Nicole | Keyword: GM, Cadillac, CTS car, 3.6 L motor

Shanghai GM Cadillac CTS car 3.6 L motor circuit diagram(1)
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100 in 1 Multi-function VCD remote control circuit(compatible with co-RM-220 and NT66P13)

Published:2011/4/20 5:03:00 Author:Rebekka | Keyword: VCD remote control

100 in 1 Multi-function VCD remote control circuit(compatible with co-RM-220 and NT66P13)
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Ultra-small 400 meters wireless remote control circuit diagram

Published:2011/4/24 10:03:00 Author:Rebekka | Keyword: wireless remote control

Ultra-small 400 meters wireless remote control circuit diagram
Ultra-small 400 meters wireless remote control circuit diagram

Transmitter circuit: Receiver circuit: Ultra-small wireless remote control use 400-meter digital encoder / decoder VD5026/VD5027 as the core and use emission-specific transistor LD-400, the remote distance is far, its operation stable and reliable.   (View)

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Using DTMF encoding and decoding wireless calling implement circuit diagram

Published:2011/4/24 10:59:00 Author:Rebekka | Keyword: DTMF , encoding and decoding , wireless calling implement

Using DTMF encoding and decoding wireless calling implement circuit diagram
Using DTMF encoding and decoding wireless calling implement circuit diagram

The wireless calling implement is composed of calling implement and the host. The two parts use DTMF encoder pulse to realise communication. Different calling implement has different codes only, the circuits are all the same. The calling implement is shown in figure 1. IC2 is the DTMF encoding specific integrated circuit (telephone dial tone can also be integrated circuits), which has four southbound R1 ~ R4, C1 ~ C4 line of four columns, external standard 4 × 4 matrix keyboard. It produces 16 different encoding. When any key is pressed, a row line and a column line are connected. Then the output pin corresponding to the end TONE tone pulses. It uses optocoupler number keys as the icon to connect to 1 # key. IC3 serial data of the long-wave radio transmitter module, which uses 150kHz carrier frequency, a strong anti-interference ability. IC2 pin dual audio pulses emitted modulated carrier out by the antenna.   (View)

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The internal structure of MCl45026

Published:2011/4/20 3:42:00 Author:Rebekka | Keyword: internal structure

The internal structure of MCl45026
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MCl45030 internal structure circuit diagram

Published:2011/4/20 3:36:00 Author:Rebekka | Keyword: internal structure

MCl45030 internal structure circuit diagram
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500 w Light modulation circuit diagram

Published:2011/4/20 10:00:00 Author:Rebekka | Keyword: Light modulation

500 w Light modulation circuit diagram
When the circuit is connected to the hi-fi equipment or at both ends of the electronic instruments speaker, the audio level can be modulated to 500W lamp by proportion. Using 3 appropriate sets of audio filters and 3 different color light Union microscopy to access to color music stage lighting effects.   (View)

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±5--±20V slave tracking stabilized voltage supply minus side driven pulley plus side

Published:2011/4/2 1:55:00 Author:may | Keyword: ±5--±20V, slave tracking, stabilized voltage supply, minus side driven pulley plus side

±5--±20V slave tracking stabilized voltage supply minus side driven pulley plus side
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Touch-type anti-theft alarm circuit

Published:2011/4/24 9:38:00 Author:Christina | Keyword: Touch-type, anti-theft alarm

Touch-type anti-theft alarm circuit
The touch-type anti-theft alarm can be used in wide range of applications such as the burglar alarm and the alarm of dangerous touch.etc. This alarm can automatic alarm and can automatic stop at the scheduled time. As the figure showns. IC1 is the time-base integrated circuit NE555, the monostable trigger is composed of the IC1 and R1、C1、C2、C3. When no one touch the metal M1 to Mn, the circuit is stable, pin-3 of IC1 outputs the low-level signal, alarm circuit does not work. If anyone touch any piece of metal M1 to Mn, EMF of human body gives a negative pulse to pin-2 of IC1, the monostable circuit gets into the temporary-steady-state, pin-3 of IC1 become the high-level signal. This high-level signal makes the transistor V1 connect, so V2 also connect too, audio integrated circuits IC2 enters the working state.   (View)

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Power Disconnection Alarm Circuit

Published:2011/4/24 8:54:00 Author:Christina | Keyword: Power Disconnection, Alarm

Power Disconnection Alarm Circuit
The Power Disconnection Alarm Circuit is as shown:   (View)

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High power switching power supply circuit diagram with reliable performance

Published:2011/4/20 20:13:00 Author:May | Keyword: High power, switching power supply, reliable performance

High power switching power supply circuit diagram with reliable performance
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Electronic controlled fishing device

Published:2011/4/25 2:55:00 Author:May | Keyword: Electronic controlled, fishing device

Electronic controlled fishing device
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Latest practical 5W switching power supply circuit

Published:2011/4/20 20:23:00 Author:May | Keyword: Latest, practical, 5W, switching power supply

Latest practical 5W switching power supply circuit
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UPS circuit diagram

Published:2011/4/25 2:48:00 Author:May | Keyword: UPS

UPS circuit diagram
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Super-audio frequency induction heating power supply

Published:2011/4/25 2:43:00 Author:May | Keyword: Super-audio frequency induction, heating power supply

Super-audio frequency induction heating power supply
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Fish trap 2

Published:2011/4/25 2:42:00 Author:May | Keyword: Fish trap 2

Fish trap 2
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Fish trap

Published:2011/4/25 2:41:00 Author:May | Keyword: Fish trap

Fish trap
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Single-ended forward transform isolation type switching regulated power supply circuit produced by Cwl524A

Published:2011/4/22 4:10:00 Author:May | Keyword: Single-ended, forward transform isolation type, switching regulated power supply

Single-ended forward transform isolation type switching regulated power supply circuit produced by Cwl524A
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Single-ended fly back switching regulated power supply circuit composed of CW1524

Published:2011/4/22 6:47:00 Author:May | Keyword: Single-ended, fly back, switching, regulated power supply

Single-ended fly back switching regulated power supply circuit composed of CW1524
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