40Mhz-universal-counter


Posted on Nov 14, 2012

This circuit can be used to measure frequencies up to 40 MHz. To obtain the correct measured value, it is necessary to divide the oscillator frequency and the input frequency by four.


40Mhz-universal-counter
Click here to download the full size of the above Circuit.

In doing this, the time between measurements is also lengthened to 800 ms and the display multiplex rate is decreased to 125 Hz.




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