In frequency counters, the gating time allotted for counting is often too short to resolve low frequencies. A phase-locked loop could be used to multiply the input frequency. But in some cases, the ...
The frequency counter is built around a PIC16F84 microcontroller for the frequency range of 100Hz to 2.5GHz. The device utilizes an LCD with 16 characters in 2 lines and 12.8MHz TCXO with 1ppm. The ...
The circuit was designed to divide the frequency of a TTL compatible square wave signal which can be programmed with the use of three 7490 to perform the required operation. 7430 – an 8-input NAND ...
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