Communication Circuit

Double limit value temperature control circuit

Published:2011/5/17 8:52:00 Author:TaoXi | Keyword: Double limit value, temperature control

The Double limit value temperature control circuit:   (View)

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Automatic temperature control circuit uses the temperature control application-specific integrated circuit

Published:2011/5/17 6:34:00 Author:TaoXi | Keyword: Automatic, temperature control, application-specific

Related components PDF download: TC6209014KD-15690139015 As the figure shows, this circuit is composed of the temperature sensing switch, the temperature upper-limit and lower-limit LED display circuit, the SCR control circuit, the analog audio circuit and the AC step-down rectifier circuit.etc. This temperature control circuit can control the temperature automatically between the upper-limit and lower-limit, the temperature measurement precision is ±3℃, the temperature controlling effect is good, also it can undertake the overtemperature instruction.   (View)

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Water temperature automatic controller circuit

Published:2011/5/17 9:18:00 Author:TaoXi | Keyword: Water temperature, automatic controller

The Water temperature automatic controller circuit is as shown:   (View)

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Tropical fish tank water temperature automatic heating controller circuit

Published:2011/5/17 9:24:00 Author:TaoXi | Keyword: Tropical fish tank, water temperature, automatic heating controller

The Tropical fish tank water temperature automatic heating controller circuit is as shown:   (View)

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LCD electronic thermometer circuit

Published:2011/5/17 8:18:00 Author:TaoXi | Keyword: LCD, electronic thermometer

Related components PDF download: ICL7106CD4036 The LCD electronic thermometer The LCD electronic thermometer circuit is as shown. The temperature sensor KTY10 has good linear relationship between temperature - resistance, and you can connect point A and point B (Measurement display circuit) with 100m wire, the digital display range is -50℃ to +150℃, the display digits is 3 1/2. This circuit includes the high precision mold - digital converter 7106 and the LCD monitor. The 7106 includes all the active components that can be used to control the 3 1/2 LCD. In order to control the decimal point, you need one piece of CMOS circuit CD4030. As a result of the LCD, the whole circuit's power consumption is small.   (View)

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Electronic controlled detection circuit of Santana 2000GLi

Published:2011/5/16 20:46:00 Author:Borg | Keyword: detection circuit, Santana

When detecting electronic controlled petrol spay system, we should use digital multimeter (V.A.Gl526 or V.A.G.1715) and LED tube detection light(V.A.G1598). To avoid directly contacting the connector of computer controller,the computer detection box (V.A.G1598) and its assistant cables should be in use.The condition: battery voltage is normal; computer controller and fuel pump fuse are normal; oil pump and its relay are normal; the ground connection of the engine on the air cylinder cover is normal.   (View)

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Infrared emission circuit with the printing quartz crystal oscillator

Published:2011/5/16 8:04:00 Author:Christina | Keyword: Infrared emission, printing quartz, crystal oscillator

The Infrared emission circuit with the printing quartz crystal oscillator is as shown. The oscillator is composed of the crystal Q, the VMOS transistors mosfet and the external components. The low frequency modulation signal UE adds the the amplifier VT1 through the capacitance C1. The modulated signal with the carrier wave is amplified by the VMOS1 mosfet and is output by the infrared diodes VD1 ~ VD6.   (View)

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Equivalent Circuit of Wireless Remote Transmitter

Published:2011/5/16 20:44:00 Author:Michel | Keyword: Wireless Remote Transmitter, Equivalent Circuit

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3V Miniature Wireless Microphone Ciruit

Published:2011/5/16 9:17:00 Author:Michel | Keyword: 3V, Miniature Wireless Microphone, Ciruit

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Siemens 3568 mobile phone data line circuit

Published:2011/5/16 18:52:00 Author:Christina | Keyword: Siemens, mobile phone, data line

The Siemens 3568 mobile phone data line circuit is as shown:   (View)

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The electric spray system control circuit of Santana 200GLi AFE petrol engine(1)

Published:2011/5/16 8:24:00 Author:Borg | Keyword: electric spray system, control circuit, Santana

Figure 1 The electric spray system (power supply, iginitor) control circuit of Santana 200GLi AFE engine1-battery; 2-igniting switch; 3-oil pump relay; 5-igniting coil; 6-electricity distributor; 7-Hall spindle position TN signal generator (in electricity distributor); 8-admission temperature and pressure sensor; 9-throttle position sensor; 10-computer(ECU) controller; 11-ground connection of igniting coil; 12-ground connection of oil jet; 13-ground connection of computer controller; 14-explosive sensor; 15-oxygen sensor(including heater); 16-coolant temperature sensor; 17-the oil jet of No.1 cylinder   (View)

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The oil spray control system circuit of 200GLi AFE petrol engine

Published:2011/5/16 8:47:00 Author:Borg | Keyword: oil spray control system, Santana

Figure 1 The electric controlled oil spray system of Santana 200GLi AFE petrol engine 1-power petrol pump; 2-petrol filter; 3-general fuel distributor; 4-oil return tube; 5-oil pressure adjuster; 6-vacuum tube; 7-oxygen sensor; 8-coolant temperature sensor; 9-electricity distributor; 10-igniting coil; 11-oil sprayer; 12-explosive sensor; 13-idling speed; 14-admission control valve; 15-electric control unit(computer); 16-air filter; 17-throttle position sensor; 18-petrol relay; 19-igniting switch; 20-battery   (View)

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The electric spray system control circuit of Santana 200GLi AFE petrol engine(2)

Published:2011/5/16 8:08:00 Author:Borg | Keyword: electric spray system, control circuit, Santana

The electric spray system control circuit of Santana 200GLi AFE petrol engine(2)   (View)

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The gasoline injection engine circuit of Santana 2000GLi

Published:2011/5/16 20:10:00 Author:Borg | Keyword: gasoline injection engine, Santana

Since 1985, the Santana LX,GX and GX5 produced by Shanghai Volkswagon Corp. by using German Volkswagon technology have taken 1/2 of Chinese car market.Several Santana 2000 comparison Because there are many types and specifications of Santana manufactured by the car factories in German and other countries, the circuits are different. Therefore, when inputting the manufactureing technology and developing new cars, Shanhai branch has done some modification and supplement considering the state of our country.   (View)

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2N2222 wireless microphone circuit

Published:2011/5/16 2:57:00 Author:Christina | Keyword: wireless microphone

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The features and circuit of Santana 2000GSi ABS system

Published:2011/5/13 19:54:00 Author:Borg | Keyword: Santana, ABS system

Santana 200GSi is installed with MK-20I ABS system produced by lTT Corp., the USA,which consists of controller(hydraulic controller, ABS computer ECU, hydraulic pump ), 4 wheel sensors, ABS fault warning indicators and brake warning lamp. The functions, installation position, main features and parameters are as shown in Figure 5. The ABS and installation positions of Santana 2000 are as shown in Figure 7. The ABS wiring circuit of Shanghai Santana 2000GSi is as shown in Figure 7 and Figure 8.   (View)

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Four-channel remote receiver CS902

Published:2011/5/11 19:33:00 Author:TaoXi | Keyword: Four-channel, remote receiver

The key (View)

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Heterodyne remote control receiving circuit TDA5200

Published:2011/5/11 20:22:00 Author:TaoXi | Keyword: Heterodyne, remote control, receiving circuit

The key components that will be used in this article: HCS515 TDA5200 The TDA5200 is designed as one kind of low power consumption monolithic ASK superheterodyne receiving circuit, The working frequency range is divided into two blocks: 868～870MHz and 433～435MHz. This circuit has the features of high integration, less peripheral components and perfect function, so it is the monolithic receiving circuit that has excellent performance.   (View)

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mini wireless call systems BA1401/TDA7010T

Published:2011/5/11 20:49:00 Author:TaoXi | Keyword: mini, wireless call system

Transmitter (View)

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High-power temperature control circuit with the MPM module

Published:2011/5/12 20:41:00 Author:TaoXi | Keyword: High-power, temperature control, MPM module

High-power temperature control circuit with the MPM module   (View)

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