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 ...
The range of this FM transmitter is around 100 meters at 9V DC supply. The circuit comprises three stages. The first stage is a microphone preamplifier built around BC548 transistor. The next stage is ...
David Houze is Ecreso product manager, leading development of the FM transmitter range in collaboration with WorldCast Systems’ R&D team. He is also an application engineer supporting WorldCast’s APT, ...
When FCC decided last May that static-free Frequency Modulation broadcasting was mature enough to doff its experimental diapers, the radio industry was pretty worried that revolution was just around ...