24th March
written by Todd Harrison

This is PART 3 of the project “Arduino Frequency Display For a Kenwood TS-520S HF Ham Radio”. This part covers 0.9 volt 38 MHz signal amplified into Schmitt triggered NAND gate for cleanup before going to a divide by 8 ripple counter chip then finally being cleanly counted by the Arduino using multiply by 8 math function to restore counts to 38 MHz.¬†Links to all parts: (PART 1), (PART 2), (PART 3), (PART 4), (PART 5)

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