This frequency counter can measure frequency with range 100Hz-2.5GHz. The project features including LCD 16 chara.x 2 lines and TCXO 12.8MHz(1ppm ). The project main part is PIC16F84. The Voltage(0-510mV) of the input signal is also indicated on the LCD , therefore tuning of the coil can be conducted while checking the frequency.
In this project a 16-bit PIC is used to build an accurate frequency reference synchronized to a GPS clock. This device can serve as an accurate frequency counter that can count to 50 MHz with 1 Hz accuracy. It can also be used to generate GPS-locked output signals as a frequency reference or as [...]
A frequency counter is one of the most important measuring tool for RF electronic hobbyist. In this frequency counter has very high performance and very easy to build and to use. The counter is based on PIC 16F870 and display the frequency on 7 Segmen LED displays. The resolution display is 1kHz. The frequency will [...]
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