On the electronic absorption and amplification of sound in semiconductors at "intermediate" frequencies (akustischen Wellen), die insbesondere bei den sogenannten mittleren Frequenzen ql 1 ( q Wellenzahl, l mittlere freie Wegl陇nge der Elektronen) gltig ... YV Gurlyaev,SN Ivanov,AG Kozorezov ...
method for synchronization of digital radio in the gleichwellenbetrieb funksenderfrequenzenA dual band digital audio broadcast receiver (12) comprises means for receiving a first digital audio broadcast (DAB) signal in a first frequency band, means for receiving a second digital audio broadcast ...
Furthermore, a logic component (4) is connected to the voltage transformer circuit (3), with a sequence control system and memory, in which an identification code is stored and a high frequency transmitter stage (5) connected to the logic component (4) and a transmitting antenna (6).Frank...