Hand-held transmitter for transmitting different signals
Hand-off filter for cellular mobile radio
Hangup corrector useful in locked loop tuning system
Hardware interface and protocol for a mobile radio transceiver
Harmonic tuning system for radio receivers
Heterodyne laser detection
Heterodyne receiver
High density cellular mobile radio communications
High frequency channel selecting circuit for radio receiver and
High frequency low-pass filter
High integrity optical data transmission system
High performance integrated circuit regulator with substrate...
High reliability optical fiber communication system
High speed automatic frequency tuning method
High-frequency amplifier having simple circuit structure and...
High-frequency channel selector having fixed bandpass filters in
High-frequency signal transmission apparatus and electronic...
High-frequency-signal switching circuit suppressing...
High-performance bipolar tuner solution systems and methods
High-quality reception indicating circuit for FM receivers