Fabry-Perot resonator using a birefringent crystal
Field effect transistor device
FM stereophonic receiver providing a test signal
Fractional megahertz counter for improved digital synthesizer
Frequency adjustment circuit
Frequency adjustment circuit
Frequency correction arrangement
Frequency discriminator apparatus
Frequency selection receiver with variable time constant control
Frequency stabilized microwave signal source
Frequency synthesized scanner having conductive programming elem
Frequency synthesizer utilizing pulse-width modulation of digita
Frequency-signalling circuit for a telephone
Fully differential voltage controlled oscillator
Function generator with adjustable oscillating frequency