Circuit Diagram

Aegean Islands - Bohai haier BCD-161 refrigerator

Published:2011/4/15 1:04:00 Author:Ecco | Keyword: Aegean Islands , Bohai haier , refrigerator

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The arctic ocean - Ariston BYD-177 refrigerator

Published:2011/4/15 1:09:00 Author:Ecco | Keyword: The arctic ocean , Ariston , refrigerator

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Sunflower BC-100 Refrigerator

Published:2011/4/15 1:06:00 Author:Ecco | Keyword: Sunflower , Refrigerator

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Huayi - Ariston BCD-161,180,185 refrigerator

Published:2011/4/15 0:58:00 Author:Ecco | Keyword: Huayi , Ariston , refrigerator

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Meilin - Ariston BCD-185E refrigerator

Published:2011/4/15 1:01:00 Author:Ecco | Keyword: Meilin, Ariston , refrigerator

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Huayi - Ariston BCD-185 refrigerator

Published:2011/4/15 0:59:00 Author:Ecco | Keyword: Huayi , Ariston , refrigerator

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Huayi - Ariston BCD-202 refrigerator

Published:2011/4/15 0:57:00 Author:Ecco | Keyword: Huayi , Ariston , refrigerator

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ZDD-12-160 Automatic multi-function inverter power supply

Published:2011/4/15 0:55:00 Author:Ecco | Keyword: Automatic, multi-function, inverter, power supply

ZDD-12-160 Automatic multi-function inverter power supply preamp circuit: ZDD-12-160 Automatic multi-function inverter power supply last stage amplifier circuit:   (View)

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ZDD-I-160 Automatic multi-function inverter power supply

Published:2011/4/15 0:52:00 Author:Ecco | Keyword: Automatic, multi-function , inverter, power supply

ZDD-I-160 Automatic multi-function inverter power supply preamp circuit: ZDD-I-160 Automatic multi-function inverter power supply final stage circuit:   (View)

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The alarm circuit diagram of miner light

Published:2011/4/14 21:13:00 Author:Ecco | Keyword: alarm circuit , miner light

In the circuit, the batteries of miner's lamp is used as power supply and installed in the mine cap. When the gas is over the limit, the light bulb will automatically flash with the alarm. This circuit uses few components, it has no impact on the miner's work, it has the advantages of low cost, adjustable alarm points, easy to carry.   (View)

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The alarm circuit diagram for safety box and other metal objects

Published:2011/4/14 21:25:00 Author:Ecco | Keyword: alarm circuit , safety box , metal objects

When someone touches the safety box or other protected metal objects, in order to get the photo of the toucher, the sensor circuit inputs a pulse to the alarm circuit, and its positive edge will start the semiconductor and thyristor flash GE, then driving the camera work.   (View)

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Linear vco(8038、μA741)

Published:2011/4/14 22:46:00 Author:Ecco | Keyword: Linear , vco

The linear voltage-controlled oscillator circuit is shown as the chart. In the figure, A1 is a constant current source circuit which is used to improve charging and discharging characteristics of C1. It makes a linear relationship between the output frequency and the input control voltage. A2 is a sine wave output buffer. If inputting the low-frequency sawtooth to the control voltage terminal, the circuit will become a linear sweep generator. But putting a signal voltage on input terminal will make the circuit output frequency modulation wave. The circuit can be used as an A / D converter changing a digital signal into the voltage with a frequency counter counting the output. Linear VCO is also known as V / F converter.   (View)

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Rick McIntosh amplifier circuit

Published:2011/4/14 2:25:00 Author:Ecco | Keyword: Rick McIntosh

In the single-end push-pull circuit, for example, in Figure 23-8, a and C point are linked to be in low potential. But the earth point is not limited, any points on the coil a-b associating with the same potential point on the coil o-d can be used as earth point. In Figure 23-12, to connect the two mid-points of a-b, o-d to the earth, this is the basic form of Rick McIntosh amplifier circuit. The two primary coils of the output transformer in circuit are directly related to the two primary coils of single-ended push-pull circuit, the everywhere's potential along the two potential coils is the same, so the primary coil is not influenced by electrostatic distributed capacitance, although they are two-lane around. This is one feature of Rick McIntosh amplifier circuit.   (View)

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The basic form of two-stage amplifier voltage feedback circuit diagram

Published:2011/4/14 2:27:00 Author:Ecco | Keyword: basic form , voltage feedback , two-stage amplifier

The basic form of circuit diagram Figure 19-1 shows the most representative form of two-stage negative feedback amplifier circuit. In this circuit, the feedback voltage of the R1 connects to the input signal in series, so the circuit is in series input type. In the figure, the plate load impedances of R1 and V1 are series connected, on the other hand, the plate load impedances of R1 and V1 are parallel connected to R2. So the circuit is a current feedback circuit for V1, and a voltage feedback circuit for V2. In fact, the current feedback component of V1 is much smaller than the total voltage feedback component of V2, so the whole circuit is used as a voltage feedback circuit.   (View)

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The series input voltage feedback

Published:2011/4/14 2:28:00 Author:Ecco | Keyword: series input , voltage feedback

The figure 17-1 shows the basic form of the first-stage amplifier series input voltage feedback circuit.   (View)

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The quantitative pulse exported by CD4046

Published:2011/4/14 2:34:00 Author:Ecco | Keyword: quantitative pulse

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Duplex output negative timing pulse circuit(555)

Published:2011/4/14 2:35:00 Author:Ecco | Keyword: Duplex output , negative, timing pulse , 555

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Miaoshou AD-2100 therapeutic equipment circuit

Published:2011/4/14 3:10:00 Author:Ecco | Keyword: Miaoshou , therapeutic equipment

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WB-74 Microwave electrizer circuit

Published:2011/4/14 3:10:00 Author:Ecco | Keyword: Microwave , electrizer circuit

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Digital counter demonstration circuit

Published:2011/4/12 22:01:00 Author:Nicole | Keyword: digital counter

555 timer is used as clock to drive RS7490 decimal timer, BCD output to 7 section LED. To adjust R1 can change the clock frequency.   (View)

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