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  1. H

    The "Ugly Balun"

    circumference = pi x D You are calculating area (square inches). But, since you also want to add a bit to the diameter to account for the thickness of the coax, you're about close enough.
  2. H

    Transmitter maximum deviation question

    No. But, practically yes. What is being spec'd is basically the result of Carson's rule. Carson's rule can be used to estimate the occupied bandwidth of an FM signal. It states that the bandwidth is twice the sum of the peak deviation plus the highest modulating frequency. BW = 2 *...
  3. H

    Transmitter maximum deviation question

    +/- 5kHz looks like the Deviation spec. I think you said that the Selectivity was: -6/-60 dB 12 kHz/28 kHz This is for the receiver and means that at 12kHz (+/- 6kHz from center carrier frequency) wide, the received signal is attenuated by 6dB from what is received within the pass...