CMX994

CMX994/CMX994A/CMX994E /CMX994G Direct Conversion Receivers CMX994 / CMX994A (lower power options) / CMX994E (enhanced performance) / CMX994G (enhanced performance) D/994_994A_994E_994G/4 July 2019 DATASHEET Provisional Features  Direct conversion receiver family  Precise filtering with 1:2:4 bandwidth CMX994 - Standard and low power mode select control CMX994A - Standard and additional low power modes  3.0V – 3.6V Low power Operation CMX994E - Enhanced, standard and low power modes  Small size 40-pin VQFN Package CMX994G - Enhanced, 30MHz guaranteed performance  Rx single conversion to zero IF, near-zero IF or low IF; zero Applications IF eliminates image responses  Very high mixer IIP2 for practical zero IF receiver  100MHz to 1GHz I/Q demodulator (CMX994A/E/G) 100MHz to 940MHz I/Q demodulator (CMX994) Extended operation down to 30MHz and up to 1.218GHz  LNA with gain control  Local Oscillator LO synthesiser VCO negative resistance amplifier Rx LO divide by 2, 4 or 6 modes Tx LO Output with divide by 1, 2, 4, or 6 modes  Analogue/digital multi-mode radio  Software Defined Radio (SDR)  Data telemetry modems  Satellite communications  Constant envelope and linear modulation  Rx function compatible with CMX998 Cartesian Feedback Loop Transmitter  Narrowband e.g. 25kHz, 12.5kHz, 6.25kHz  Wideband Data e.g. >1MHz bandwidth CMX994 I/Q Signals CMX994A C-BUS T/R CMX994E CMX994G Reset Ref. Osc. Direct Conversion Receiver Rx Enable Tx LO Tx ...