Broadcast Solutions Electronics (Pty) Ltd. has launched a new 500 W FM transmitter/exciter using LDMOS amplifier technology. LDMOS amplifier technology offers exceptional efficiency in a Class C ...
This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a driver built around transistor ...
During broadcast radio’s first decade, little thought was given to transmitter efficiency. Main concerns of the industry were availability of broadcast spectrum (sound familiar?); keeping transmitter ...
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