The 50～102.4MHz clock mixer circuit

Published:2011/6/19 21:16:00 Author:qqtang | Keyword: clock mixer

In Figure 6-3 is the 50～102.4MHz clock mixer circuit. The adjusted frequency range of the circuit is about twice, when the frequency under 50MHz is needed, the input frequency can be split by the spliter. The input Ui frequency is 25KHz, UoA outputs the 50～102.4 MHz signals whose resolution ratio is 400KHz. As the frequency is high, the wires between 3-pin of TLC2933（2）and the 1-pin of 74AC393 would better be short.   (View)

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The DC motor forward/backward rotating circuit controlled by the thyristor

Published:2011/6/19 21:09:00 Author:qqtang | Keyword: DC motor, thyristor

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The key ring wireless encoding remote controller circuit (1)

Published:2011/6/19 21:33:00 Author:qqtang | Keyword: key ring, wireless encoding, remote controller

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The MC3367 logic frame circuit

Published:2011/6/19 1:04:00 Author:Seven | Keyword: logic frame circuit

Figure: The MC3367 logic frame circuit   (View)

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The M58487AP logic frame circuit

Published:2011/6/19 2:32:00 Author:Seven | Keyword: logic frame circuit

The M58487AP logic frame circuit   (View)

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The photo isolation coefficient data collecting circuit

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.   (View)

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Crystal Portsmout oscillator circuit

Published:2011/6/20 0:19:00 Author:John | Keyword: oscillator

Crystal Portsmout oscillator circuit is shown below.   (View)

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Cole Rapids oscillator circuit

Published:2011/6/20 0:20:00 Author:John | Keyword: oscillator

Cole Rapids oscillator circuit is shown below.   (View)

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The producing circuit of the digit displaying "L and C" meter

Published:2011/6/19 20:06:00 Author:qqtang | Keyword: producing circuit, digit displaying

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The OID time card machine circuit

Published:2011/6/19 19:58:00 Author:qqtang | Keyword: OID, time card machine

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The fan heater circuit

Published:2011/6/19 19:53:00 Author:qqtang | Keyword: fan heater

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The computer infrared remote controller circuit

Published:2011/6/19 19:55:00 Author:qqtang | Keyword: infrared, remote controller

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A high-class bias oscillator

Published:2011/6/13 20:08:00 Author:Borg | Keyword: high-class, bias oscillator

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The gate voltage generator

Published:2011/6/13 20:23:00 Author:Borg | Keyword: gate voltage generator

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The binary voltage generator

Published:2011/6/13 20:24:00 Author:Borg | Keyword: binary voltage generator

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The wide video amplifier screen of 50Ω/impedance output(OPA676)

Published:2011/6/16 5:18:00 Author:Borg | Keyword: video amplifier, impedance

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The pulse double frequency circuit composed of CD4013

Published:2011/6/16 5:23:00 Author:Borg | Keyword: pulse, double frequency

With a CD4013 and a 4-1-2 input terminal NOR gate CD4001, we can make a pulse doublefrequency circuit, whose circuit is shown in the figure.   (View)

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The 100 times frequency circuit composed of CD4046

Published:2011/6/16 5:25:00 Author:Borg | Keyword: frequency, circuit

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The sawtooth wave generating circuit composed of μA741 integrated op-amps

Published:2011/6/16 0:04:00 Author:Borg | Keyword: sawtooth wave, integrated op-amps

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The BH3006 application circuit of the waveform generating integrated circuit

Published:2011/6/16 0:02:00 Author:Borg | Keyword: application circuit, waveform, integrated circuit

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