The TH72031 is an FSK transmitter integrated circuit operating at a frequency range of 850 MHz to 930 MHz. It features an FSK through crystal pulling allows modulation from DC to 40 kbps and offers a ...
This application note presents the TH7122 and TH71221 transceivers used in narrow band FSK applications. It briefly describes the narrow band considerations, the VCO design, PLL set-up, as well as the ...