PMB2208
Description
Package The PMB 2208 contains a direct quadrature modulator and an up/downconversion mixer with corresponding bias circuitry. s
Features
Direct quadrature modulator and up/down-conversion mixer on one chip Modulator: LO input frequency range from 200MHz to 550MHz corresponds to an output frequency range from 100MHz to 275MHz Generation of orthogonal carriers without external elements and without trimming typ. 48d B carrier suppression with 1Vpp baseband level typ. 49d B SSB suppression with 1Vpp baseband level typ. 51d B rejection of third-order intermodulation products with 1Vpp baseband level Low output noise floor s
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Mixer: Double-balanced Gilbert cell RF and IF frequency range from DC to 2.5GHz typ 39d B carrier suppression Low noise Supply voltage range from 2.7 to 4.5V Power-down mode Temperature range -30 to 85°C Analog systems with FM and AM modulation Space- and power-saving optimizations of existing discrete transmitter circuits
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