Published:2011/4/14 2:36:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 2:35:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 2:36:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 2:16:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 2:55:00 Author:Jessie | Keyword: computer cable
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Published:2011/4/14 2:28:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 3:00:00 Author:Jessie | Keyword: Insulation, automatic, electric rice cooker
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Published:2011/4/14 2:57:00 Author:Jessie | Keyword: induction cooker
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Published:2011/4/14 2:56:00 Author:Jessie | Keyword: Ultrasonic humidifier, overhaul
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Published:2011/4/14 3:04:00 Author:Jessie | Keyword: Massager
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Published:2011/4/14 2:15:00 Author:Jessie | Keyword: Linear, DC voltage, multiplier
This circuit has two ICL8048 logarithmic amplifiers, ananti-logarithmic amplifier ICL8049, anda 741 op-amp. The relationship between output voltage andtwo input voltages is: Vo=V1V2/10. V1 and V2are +0.1 ~ +10VDC voltage. When the output voltageis +10V, its accuracyis 1%. (View)
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Published:2011/4/14 1:04:00 Author:Jessie | Keyword: Operation amplifier, phase buffer
In figure, thein-phase attenuator can be used as a voltage attenuation and a in-phase buffer. (View)
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Published:2011/4/13 22:52:00 Author:Jessie | Keyword: Operation amplifier, adder
In figure, thereis an inverse adder,it is a basic audio mixer. But this circuit is rarely used in real audio mixer. Because it can approximate op-amp's work limit, actually we recommend increasing the supply voltage to improve dynamic range. In-phase addercan be realized, but is not recommended. Because the impedance of signal source will affect circuit's gain. (View)
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Published:2011/4/12 22:54:00 Author:Nicole | Keyword: NC wire-cut machine, photoelectric amplification
Photosensitive diode and BG1 form photoelectric conversion, BG2 and BG3 form Schmitt trigger, BG4 is inverter. When it is illumination, BG1 base potential rises, BG1 is off, then BG2 is conduction, BG2 is off, then BG4 is conduction, outputing positive singal. (View)
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Published:2011/4/13 2:21:00 Author:Nicole | Keyword: steady voltage, input voltage, output voltage
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Published:2011/4/13 2:16:00 Author:Nicole | Keyword: Thyristor, output power
This is a non-contact power regulator circuit, the load is light La. To change 150kΩ potentiometer can achieve phase shift, and adding trigger voltage to bidirectional thyristor gate through bidirectional trigger, to control the conduction.
Main technical data: network voltage: 220±10%V; the adjustable range of output voltage: 10~230V; power: 100W, 700W, 1000W; bidirectional thyristor: TXC02-A60, TXC02-A6,; TXC03-A60; anti-interference capacitor: 0.22μF, 0.22μF, 0.27μF; the maximum environment temperature range: -15~+70℃, -15~+50℃, -15~+70℃.
The figures(b), (c) are the motor speed control practical circuit and illumination dimmer practical circuit, the maximum output power of later is 220W. (View)
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Published:2011/4/13 2:24:00 Author:Nicole | Keyword: switching, regulated power supply, 4A output current
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Published:2011/4/13 2:27:00 Author:Nicole | Keyword: Switching, regulated power supply, 3A output current
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Published:2011/4/14 3:24:00 Author:Ecco | Keyword: RF driver, audio oscillator
As shown, 555 and Rl, RPl, C1 and other components form controllable audio oscillator, f = 1.44 / (R1 +2 RP1) C1, the frequency of parameter in the diagram is between 600Hz ~ 20kHz, it can be adjustedby RP1.
(View)
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Published:2011/4/13 2:30:00 Author:Nicole | Keyword: regulated power supply, output current, output voltage
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