Frequency meter with 10Hz to 2MHz


Posted on Feb 6, 2014

7208 seven metric system counter is used for frequency meter, it has latch and multiplexing function, and contains direct drive circuit and display driver circuit. 7207IC is divided the output frequencyof6. 5536 MHz crystal oscillator by2 12which produces the 1600Hz square wave for calculator and display connection multiplexing. After fractional fr


Frequency meter with 10Hz to 2MHz
Click here to download the full size of the above Circuit.

equency, it produces 0. 1 s and 0. 01 s measurement gating signal and thenchooses communication and reset command pulse, modify ordered pulse. RCA company`s 3130 operational amplifier is used for optimize the input signal.




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