More about circuit (738)

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| The input impedance of a.c.-coupled op amp circuits depends almost entirely on the resistance that sets the d.c. operating point. If CMO...

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| As the title implies, the present circuit is intended to convert sinusoidal input signals to TTL output signals. It can handle inputs of...

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| Button or coin cells that appear to be flat in their normal function may yet be discharged further. This is because in many cases, for i...

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| The alarm circuit uses infra-red light beams to bridge distances between 3 m and 5 m (10 ft to 16 ft), but if the transmit diode is give...

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| Excessive noise is bad for your health and bad for your surroundings. It cannot be said too often: too many young people go prematurely...

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| The up/down drive is intended primarily for use with the tone controls described elsewhere in this issue.

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| Together with a small program running under DOS, the circuit discussed in this article acts as an ADCbased voltmeter that allows you to ca...

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| An RF signal generator is used for repairing radio/TV circuits, checking filters, aligning receivers, and for comparative sensitivity...

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| If you employ several networked computers, you probably don’t have enough desk space, since most of the system components are duplicated o...

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| The CS8412 is a monolithic CMOS device which receives and decodes audio data according to the AES/EBU, IEC958, S/PDIF & EIAJ CP-340 interf...