A Theoretical and Experimental Investigation of Tuned-Circuit Distortion in Frequency-Modulation Systems

@article{Jaffe1945ATA,
  title={A Theoretical and Experimental Investigation of Tuned-Circuit Distortion in Frequency-Modulation Systems},
  author={D. L. Jaffe},
  journal={Proceedings of the IRE},
  year={1945},
  volume={33},
  pages={318-333}
}
  • D. L. Jaffe
  • Published 16 February 2013
  • Physics, Engineering
  • Proceedings of the IRE
The problem of distortion introduced into the modulation intelligence by tuned circuits is considered both theoretically and experimentally. Complex equations result when the effect of the intelligence modulation is considered. These equations, while not readily amenable to Fourier analysis, disclose that the distortion parameters are ΔW/BW and λ/BW where, ΔW/2π = peak-frequency swing λ/2π = modulation frequency BW = bandwidth in kilocycles measured at 3 decibels down. Double-tuned circuits… 
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