FM Demodulator Time-Constant Requirements for Interference Rejection
- 1 February 1958
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE
- Vol. 46 (2), 432-440
- https://doi.org/10.1109/jrproc.1958.286916
Abstract
Under conditions of high-level interference fm receiver performance is often impaired because of improper low-frequency time constants in the limiter and discriminator circuits. The computation of the upper bounds on the permissible values of these time constants is illustrated. Severe restrictions are indicated which often conflict with other fundamental requirements. The computational results of this paper demonstrate that these severe restrictions can be alleviated by means of simple schemes that will greatly enhance the capture performance of the fm receiver.Keywords
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- Frequency-Modulation Interference Rejection with Narrow-Band LimitersProceedings of the IRE, 1955
- Frequency-Modulation Distortion Caused by Multipath TransmissionProceedings of the IRE, 1945