Circuit Diagram

Buick GL8 injector circuit

Published:2011/4/18 4:33:00 Author:Jessie | Keyword: injector

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Buick GL8 oxygen sensors, waste gas recirculation and power systems control unit circuit

Published:2011/4/18 4:32:00 Author:Jessie | Keyword: oxygen sensors, waste gas recirculation, power systems, control unit

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Buick GL8 idle speed control, oil level switches and oil pressure indicator light circuit

Published:2011/4/18 4:34:00 Author:Jessie | Keyword: idle speed control, oil level switches, oil pressure indicator light

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Isolation RTD temperature amplifying circuit with ISO106

Published:2011/4/18 4:36:00 Author:Jessie

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The battery monitoring circuit in the high-voltage charging circuit with ISO102

Published:2011/4/18 4:38:00 Author:Jessie | Keyword: The battery monitoring, high-voltage charging

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Bi-directional thyristor gate limit flow resistance regulating circuit

Published:2011/4/18 4:30:00 Author:Jessie | Keyword: Bi-directional thyristor, gate limit flow, resistance, regulating

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Pressure test circuit with digital pressure signal disposal device MAX1458

Published:2011/4/18 2:31:00 Author:Jessie | Keyword: Pressure test, digital pressure signal disposal device

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4~20mA Isolation analog (ISO100) circuit

Published:2011/4/18 4:27:00 Author:Jessie | Keyword: Isolation analog

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4302 Division circuit

Published:2011/4/14 20:35:00 Author:Jessie | Keyword: 4302 Division

As shownis the division circuit composed by integrated block 4302, the inputs are V1 and V2, its output Vo is: Vo=10V1/V2. The input signal range: 0.03V≤V1≤10V, 0.03V≤V2≤10V. The circuit's typical error is ±25mV at 25℃, the max error is ±50mV, and output voltage accuracy affected by temperature, its temperature coefficient is ±1mV/C, output disorders voltage is 士10mV at 25℃, temperature coefficient is ±lmV/C. V1, V2's bandwidth in small signal is 500 kHzin small signal (-3dB), full range output is 60kHz. The adjustment method ofR1, R2 and R3 is: when V1=V2=+10V, adjust R1 to make the output Vo = +10V; When Vl=V2=+0.1V, adjust R2 to make output Vo=+10V; When V1=+0.01V, V2=+0.1V, adjust R3 to make Vo=+1V. So can adjust again and againfor a few times.   (View)

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Pyroelectric infrared sensor induction control circuit 1

Published:2011/4/12 3:41:00 Author:Jessie | Keyword: Pyroelectric infrared, sensor induction control

This type of control circuit mainly consists of pyroelectric infrared sensor and amplifying circuit. Pyroelectric infrared sensor isa new type of sensitive components, it is made from high thermoelectric coefficient materialswith impedance matching mosfet and filter piece. Pyroelectric infrared sensor is able to detect infrared ray radiation human issued in contactless manner, and translate it into electrical signal to send out.   (View)

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The current control circuit using discrete transistor

Published:2011/4/12 3:38:00 Author:Jessie | Keyword: discrete transistor, current control

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Insulation DC voltage detected circuit diagram

Published:2011/4/12 3:37:00 Author:Jessie | Keyword: Insulation DC voltage detected

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LM386 typical applications circuit

Published:2011/4/12 3:37:00 Author:Jessie | Keyword: typical applications

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Small and medium-sized DC motor structure diagram

Published:2011/4/11 23:02:00 Author:Jessie | Keyword: Small and medium-sized, DC motor structure

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Simple combustible gas alarm circuit

Published:2011/4/11 23:54:00 Author:Jessie | Keyword: Simple, combustible gas, alarm

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Sanhe Songshi 15W vibrating massage stick circuit

Published:2011/4/18 2:58:00 Author:Ecco | Keyword: Sanhe , Songshi , 15W , vibrating, massage stick

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Sine wave generator composed of inverter

Published:2011/4/18 2:27:00 Author:Ecco | Keyword: Sine wave generator , inverter

The sine wave generator composed of inverter is shown as the chart. The circuit could get high stable sine wave in more than a few MHz. In the figure, A1 and the crystal oscillator form a oscillating circuit, the output of A1 becomes sine wave signal after passing the buffer A2. In the circuit, A1 is linear amplifier, the whole circuit is in amplifying state. As the characteristics of the crystal oscillator are different, the output frequency and voltage are different, and R2 is used to adjust waveform. For getting ccurate oscillation frequency, it can connect a variable capacitor on two ports of capacitor C1 in parallel. Oscillation frequency of the circuit is decided by crystal oscillator, it can change the output signal frequency.   (View)

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CMOS 555 equivalent function circuit diagram

Published:2011/4/18 4:39:00 Author:Ecco | Keyword: CMOS , 555 , equivalent function

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Haier M0-2270M1/M0-2270M2 microwave circuit

Published:2011/4/18 2:46:00 Author:Ecco | Keyword: Haier , microwave

Haier M0-2270M1/M0-2270M2 microwave circuit. Note: The circuit is in the state when the door is open and the timer is not working.   (View)

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Double digital display amblyopia therapeutic apparatus for children

Published:2011/4/18 2:54:00 Author:Ecco | Keyword: Double digital display, amblyopia , therapeutic apparatus , children

Double digital display amblyopia therapeutic apparatus circuit for children is as below: (a) is the whole circuit; (b) is the counter circuit.   (View)

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