Posted on Feb 5, 2014

Built around an Intersil 7216 frequency-counter IC, this counter has a basic range of 10 MHz, a 100-MHz prescaler, and an extra frequency divider (IC3). This divider divides `oy an extra factor, as marked on S7 (see schematic), to extend the range of the counten The display is multiplexed. MAN6710 2-digit red common anode 7-segment LED displays we

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re used on the prototype.

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