UHF mixing circuit having .pi. configured impedance converter
UHF MOSFET Mixer
Ultra high isolation mixer
Ultra low-power integrated circuit for pseudo-baseband down-conv
Ultra-high frequency hybrid mixer
Ultra-Q filter
Ultra-wideband fully synthesized high-resolution receiver...
Unbalanced FET mixer
Universal platform for software defined radio
Universal platform module and methods and apparatuses...
Up-conversion of a down-converted baseband signal in a...
Up-down frequency converter for cable T.V.
Use of analog-valued floating-gate transistors for parallel...
Using an electroacoustic resonator