Surface acoustic wave filter
Surface acoustic wave filter
Surface acoustic wave filter
Surface acoustic wave filter
Surface acoustic wave generating apparatus including a positive
Surface acoustic wave multi-channel filter
Surface acoustic wave notch filter
Surface elastic wave device
Surface elastic wave filter
Surface wave communication system
Surface wave device having enhanced reflectivity gratings
Surface wave electro-mechanical device
SWD FM detector and IF filter
System and method for calibrating a ferroelectric phase shifter
System filter for double frequency utilization
System for automatic equalization
System for automatic equalization
Systems for transmitting data between distant locations
Technique for supplying reference for an adaptive equalizer when
Television IF filter constructed in accordance with the surface