niconiconiThe ≈ 5.3158 MHz synthesizer output was subtracted from the 57th harmonic of 120 MHz at 6840 MHz in the multiplier to produce an interrogation signal at the ≈ 6834.6842 MHz rubidium resonance [...]Witchcraft from the early analog days. How do you generate 6840 MHz for a rubidium clock? No worries, just filter a 120 MHz clock to extract its 57th harmonic! 🪄 #electronics
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