![]() Means for coupling the transmitter RF output signal into the series circuit of said antenna and dynamic tuning circuit, ![]() For use with a transmitter of the type employing frequency shift keying modulation, a system for dynamically tuning the resonant frequency of the transmitter antenna to alternate between resonant frequencies in synchronism with the repetitive shifts in frequency caused by frequency shift keying modulation, said transmitter having a range of RF output signal operating frequencies which is large relative to the frequency shift caused by frequency shift key modulation, said system comprising:Ī dynamic tuning circuit operatively connected to the transmitter antenna in series circuit therewith,
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