FM Threshold Performance of the Frequency Demodulator with Feedback

作者: Frank Cassara , Donald Hess

DOI: 10.1109/TAES.1972.309573

关键词:

摘要: The FM threshold performance of the frequency demodulator with feedback (FMFB) is experimentally optimized. Rules thumb for practical design FMFB limiter in loop are proposed. Such rules provide optimum given specifications received signal. Equivalences among FMFB, phase-locked loop, and limiter- discriminator offer some additional physical insight into threshold-extending mechanism not presented by previous investigators.

参考文章(9)
A. J. Giger, J. G. Chaffee, The FM Demodulator with Negative Feedback Bell System Technical Journal. ,vol. 42, pp. 1109- 1135 ,(1963) , 10.1002/J.1538-7305.1963.TB04029.X
J.G. Chaffee, The Application of Negative Feedback to Frequency-Modulation Systems Proceedings of the IRE. ,vol. 27, pp. 317- 331 ,(1939) , 10.1109/JRPROC.1939.228396
C. Ruthroff, W. Bodtmann, Design and Performance of a Broad-Band FM Demodulator with Frequency Compression Proceedings of the IRE. ,vol. 50, pp. 2436- 2445 ,(1962) , 10.1109/JRPROC.1962.288260
D. Hess, Equivalence of FM Threshold Extension Receivers IEEE Transactions on Communications. ,vol. 16, pp. 746- 748 ,(1968) , 10.1109/TCOM.1968.1089903
D. Hess, Cycle Slipping in a First-Order Phase-Locked Loop IEEE Transactions on Communications. ,vol. 16, pp. 255- 260 ,(1968) , 10.1109/TCOM.1968.1089827
P. Frutiger, Noise in FM receivers with negative frequency feedback Proceedings of the IEEE. ,vol. 54, pp. 1506- 1516 ,(1966) , 10.1109/PROC.1966.5181
K. Clarke, D. Hess, Frequency Locked Loop FM Demodulator IEEE Transactions on Communication Technology. ,vol. 15, pp. 518- 524 ,(1967) , 10.1109/TCOM.1967.1089614
L. Enloe, Decreasing the Threshold in FM by Frequency Feedback Proceedings of the IRE. ,vol. 50, pp. 18- 30 ,(1962) , 10.1109/JRPROC.1962.288270