Digital-to-analog converter system

Digitally calibrated narrowband filter with analog channel...

Digitally controlled analog RF filtering in subsampling...

Digitally-corrected temperature-compensated crystal oscillator h

Digitally-corrected temperature-compensated crystal oscillator h

Digitized automatic gain control system and methods for a...

Digitized automatic gain control system and methods for a...

Diode amplifier bypass circuit

Diode circuit in dielectric waveguide device, and detector and m

Diode loaded feed-forward radio frequency amplifier power contro

Diode mixer

Diode mixer

Diode mixer circuit

Diode mixer implemented in a planar monolithic IC

Diplexer for television tuning systems

Dipole antenna for portable radio

Direct access channel selection apparatus for a digital tuning s

Direct broadcasting satellite tuner with a negative feedback and

Direct connect radio and antenna assembly

Direct conversion circuit for radio frequency signals