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Digital Alarms Circuits
Designed by David A. Johnson, P.E.
Last Updated on:
Monday, April 21, 2008 04:19 AM
Master Category List - Dave's Circuits
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- CIRCUIT FORMS DIVIDE BY 1.5 COUNTER
Two inexpensive ICs divide a TTL clock signal by 1.5. By following the circuit with another flip/flop, you could also generate a divide by three function.
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- AUDIO FREQUENCY DIGITAL NOISE GENERATOR
When you need to test an audio circuit with broadband noise, this circuit works great. It uses just three inexpensive C-MOS ICs that generate a series of output pulses whose widths vary
randomly. I included a level control pot.
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- C-MOS INVERTER MAKES LOW POWER AMP
With the addition of one resistor and a capacitor, some common logic ICs can be transformed from digital to analog duties. This circuit outlines some the features to expect from
different inverter ICs.
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More Digital Circuits
Master Category List - Dave's Circuits
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