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Intermediate-Frequency Values for Frequency-Modulated-Wave Receivers

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2 Author(s)
Foster, Dudley E. ; Formerly, RCA License Laboratory, New York, N.Y.; now, Rogers-Majestic, (1941), Ltd., Toronto, Ont., Canada ; Rankin, J.A.

The selection of an intermediate frequency for a super-heterodyne receiver involves consideration of the signal frequency, the tuning range, the pass-band width, the minimizing of spurious responses, regeneration stability, and frequency stability. The consideration of the frequency-modulation broadcast band of 42 to 50 megacycles illustrates the manner in which these several factors affect the choice of intermediate frequency.

Published in:

Proceedings of the IRE  (Volume:29 ,  Issue: 10 )