TH72001 - 315MHz FSK Transmitter
FSKDTA 1 FSKSW 2 ROI 3 ENTX 4 TH72001 8 VEE 7 OUT 6 VCC 5 PSEL General Description The TH72001 FSK transmitter IC is designed for applications in the 315 MHz industrial-scientific-medical (ISM) band.
It can also be used for any other system with carrier frequencies at 290 to 350MHz.
The transmitter
TH72001 Features
* Fully integrated PLL-stabilized LC VCO Frequency range of 290MHz to 350MHz Single-ended RF output FSK through crystal pulling allows modulation from DC to 40 kbit/s High FSK deviation possible for wideband data transmission Wide power supply range from 2.1 V to 5.5 V Very low standby current On-chip