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.

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.

Leave Comment

characters left:

New Circuits



Popular Circuits

Microphone Voice-Over Circuit
Oscillators and Triggers
6 graphic equaliser circuit 741 op amp
Generating a Delayed Pulse Using The 555 Timer circuit
2N2222A Transistor
robot circuits
Salt bath resistance furnace temperature control circuit