digital channel networks
digital channel receiver
double-channel digital low-frequency spectrum analyzer
eight-channel digital communication systems
multi-carrier digital channel
multi-channel digital interferometer
multi-channel digital signal Filters
single-channel digital exploration seismograph
sub-channel digital switch
Digital Adjacent-channel Duplexer
digital adjacent-channel rectangular guide duplexer
Digital Multi-Channel Analyzer
Digital multi-channel pulse height analyzer
digital multiplex channel Weaver complex modulation
digital navigation channel
digital quadrature channel processing
digital remote control channel