Published:2011/6/19 22:05:00 Author:qqtang | Keyword: amplifier circuit
The AB type amplifier circuit of LC-KING is shown in the figure.
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Published:2011/6/19 22:04:00 Author:qqtang | Keyword: instrument, LED detector
The LM358 tester can detect LED without polarity differentiating, so it can judge the lighting character of the LED. In the mass test, compared with the multimeter, it's time-saving and simple. See as the figure, a line of computing amplifier forms the low-frequency self-motivated oscillator, which outputs intermittent high LEV or low LEV on the output terminal. Another line of op-amp forms a phase inverter. When the oscillating circuit outputs high LEV, the inverter is outputting the low LEV; when the oscillating circuit outputs the low LEV, the inverter is outputting the high LEV.
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Published:2011/6/19 3:49:00 Author:Seven | Keyword: switch power supply
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Published:2011/6/19 7:44:00 Author:Seven | Keyword: intermediate power, power supply
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Published:2011/6/19 7:49:00 Author:Seven | Keyword: frequency shift, key control modem
XR-2207 is a voltage control oscillating (VCO) function generator circuit, the modem circuit shown in the figure can generate rectangle wave and triangular wave (but it can't generate the sine wave).
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Published:2011/6/19 7:52:00 Author:Seven | Keyword: infrared remote control, decoding circuit
Figure: The FT2275 (general) infrared remote control decoding circuit (View)
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Published:2011/6/19 7:55:00 Author:Seven | Keyword: trigger circuit, reset
The trigger circuit with functions of counting, setting and reset
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Published:2011/6/19 8:07:00 Author:Seven | Keyword: battery charger
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Published:2011/6/19 8:09:00 Author:Seven | Keyword: infrared, remote control, decoding circuit
The SAA3009/SAA3049 typical application circuit (View)
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Published:2011/6/19 7:25:00 Author:Seven | Keyword: charger, Jin Niu
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Published:2011/6/19 8:20:00 Author:Seven | Keyword: DC sector, active clamping resonance
The DC sector reverser power circuit of active clamping resonance is shown in the figure.
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Published:2011/6/19 8:22:00 Author:Seven | Keyword: Lithium charger
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Published:2011/6/19 1:14:00 Author:Seven | Keyword: Shigeto, pre-amplifier circuit
12AX7--the Shigeto tube pre-amplifier circuit is shown in the figure.
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Published:2011/6/19 1:16:00 Author:Seven | Keyword: communication equipment, FM receiver
Figure: The MC3367 (communication equipment) FM receiver circuit (View)
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Published:2011/6/19 1:04:00 Author:Seven | Keyword: logic frame circuit
Figure: The MC3367 logic frame circuit (View)
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Published:2011/6/19 1:17:00 Author:Seven | Keyword: battery charger
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Published:2011/6/19 1:26:00 Author:Seven | Keyword: op-amp feedback, serial connection
In the figure is the serial connection voltage stable circuit composed of op-amps, which consists of the reference voltage, comparing amplifier, control tube and sampling circuit, 4 parts in total.
Voltage stabilizing process:
Voltage stabilizing range:Therefore, the output voltage of the steady circuit ranges depending on R1/R2. (View)
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Published:2011/6/19 2:32:00 Author:Seven | Keyword: logic frame circuit
The M58487AP logic frame circuit (View)
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Published:2011/6/19 2:34:00 Author:Seven | Keyword: op-amp circuit
The 100W op-amp circuit is shown in the figure.
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Published:2011/6/19 2:49:00 Author:Seven | Keyword: isolation coefficient, data collecting
The photo isolation coefficient data collecting circuit is shown in the circuit.
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