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Index 1694

The protection circuit diagram adopted Zener diode VDW1

Published:2011/6/24 8:19:00 Author:Nicole | Keyword: protection, Zener diode

The protection circuit diagram adopted Zener diode VDW1
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The 0~30v,2A regulated power supply circuit

Published:2011/6/26 8:13:00 Author:Borg | Keyword: regulated power supply

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The feedback design style circuit of the switch power supply

Published:2011/6/26 22:36:00 Author:Borg | Keyword: feedback, power supply

The feedback design style circuit of the switch power supply
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The instrument amplifier circuit of the ordinary op-amp

Published:2011/6/27 19:46:00 Author:Borg | Keyword: instrument amplifier, op-amp

The instrument amplifier circuit of the ordinary op-amp

The circuit is in figure 1. The principle of the circuit is not complex. To make the circuit balanced, then R1=R2, R3=R4 and R5=R6, as the feature of each capacitor can't be the same, so on Pin1 and Pin of A1 and A2, we add the reset potentiometer of VR1 and VT2, which is practical in real application. We assume that all the mismatch, dissonance and current of A1 and A2 are 0, the DMV gain will be: The whole circuit is powered by two teams of positive and passive power supplies, which can amplify the forward or backward voltage. (View)

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MF28 multimeter circuit diagram

Published:2011/6/24 4:35:00 Author:Nicole | Keyword: multimeter

MF28 multimeter circuit diagram
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The current limiting protection circuit diagram adopted diode

Published:2011/6/24 8:21:00 Author:Nicole | Keyword: current limiting protection, diode

The current limiting protection circuit diagram adopted diode
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The 150V regulated power supply circuit

Published:2011/6/27 9:58:00 Author:Borg | Keyword: regulated power supply

The 150V regulated power supply circuit
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The reception circuit composed of SJ05B/C

Published:2011/6/26 8:24:00 Author:Borg | Keyword: reception circuit

Figure:The reception circuit composed of SJ05B/C (View)

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The circuit of the emitting component SB-100ATX

Published:2011/6/27 19:58:00 Author:Borg | Keyword: emitting component

SB-100 is a general remote control component, the model of the emitting component is SB-100ATX, the reception component is SB-100ARX. SB-100ATX is a high stability wireless remote control emitting circuit composed of SAW elements, whose circuit is almost the same with CS900. Figure: The circuit of the emitting component SB-100ATX The circuit contains a loading oscillator circuit composed of the ultra-high frequency triode C3356 and the SAW element and a emitting encode circuit composed of the digital encoding circuit, see as the figure. SB-100ATX emitting component characterizes stable frequency. (View)

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The low-noise ecc83 headphone amplifier circuit

Published:2011/6/26 8:27:00 Author:Borg | Keyword: headphone amplifier, low-noise

The low-noise ecc83 headphone amplifier circuit is shown as above. (View)

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The DC regulated power supply circuit of 1000V high-voltage output

Published:2011/6/27 10:29:00 Author:Borg | Keyword: DC, regulated power supply, high-voltage

The DC regulated power supply circuit of 1000V high-voltage output
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An alternative switch power supply circuit

Published:2011/6/27 10:18:00 Author:Borg | Keyword: alternative, switch, power supply

An alternative switch power supply circuit
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Audi (with antenna amplifier) defogger circuit

Published:2011/6/25 10:51:00 Author:John | Keyword: defogger, antenna amplifier

Audi (with antenna amplifier) defogger circuit
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The simple mixed voltage regulated circuit

Published:2011/6/27 10:00:00 Author:Borg | Keyword: mixed voltage, regulated circuit

The simple mixed voltage regulated circuit
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The SB-50ALTX emitter circuit

Published:2011/6/27 10:01:00 Author:Borg | Keyword: emitter circuit

Figure: The SB-50ALTX emitter circuit (View)

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The electric touch filament lamp regulating system circuit

Published:2011/6/27 10:16:00 Author:Borg | Keyword: electric touch, filament lamp

The electric touch filament lamp regulating system circuit
The circuit is mainly made of the special chip SM7232, with the human touch of the touch chip at point M, it controls the ON/OFF and the dimming of the filament lamp, the maximum power load of the circuit is 500W. LED would better be installed near the touch chip, which can be the indicator in the dark. Considering the human security, two resistors of R6 and R7 are adopted. (View)