Speed-based, hybrid parametric/non-parametric equalization

Speed-up mode implementation for direct conversion receiver

Splatter controlling noise blanker

Split loop AFC system for a SSB receiver

Split-ring resonator bandpass filter with adjustable zero

Spontaneous channel continuity scanning radio

Spontaneous channel continuity scanning radio

Sports helmet having integral speakers

Spread intermediate frequency radio receiver with adaptive spuri

Spread spectrum isolator

Spurious product and local oscillator radiation suppression syst

Square wave analog multiplier

Squaring circuit and electronic device using same

Squelch arrangement for AM/FM radio receiver

Squelch circuit

Squelch circuit

Squelch circuit and communication apparatus used with the same

Squelch circuit and methodology for a multi-level quantizer

Squelch circuit for volume control of a radio transmitter and re

Squelch circuit with adjustable reference level