Functional Description
The PMB2201 is a modulator and mixer circuit with high integration level. It includes a direct quadrature modulator and a double balanced Gilbert cell mixer with according bias circuitry.

Features
• Direct quadrature modulator with separate additional double balanced active mixer
• Direct quadrature modulation
• LO frequency range from 800 MHz to 1.5 GHz
• Generation of orthogonal carriers without external elements and without trimming
• typ. 40 dB carrier rejection, typ. 44 dB SSB rejection
• typ. 43 dB rejection of third order products at 1 Vpp A/B drive level at fLO = 1.5 GHz
• 3 dBm output power with appropriate output power matching network and at 1Vpp A/B baseband drive level
• Double balanced Gilbert cell mixer
• RF and IF frequency range from DC to 2.5 GHz
• typ. 39 dB carrier rejection
• low noise
• Supply voltage range from 2.7 V to 4.5 V
• Power down mode
• P-TSSOP-24 package
• Temperature range -30° to 85°C

Applications:
• Vector modulated digital mobile cellular systems as GSM, PDC-800, PDC-1.5, DAMPS etc.
• Various modulation schemes, such as PM, PSK, FSK, QAM, QPSK, GMSK etc.
• Analog systems with FM and AM modulation
• Space and power saving optimizations of existing discrete transmitter circuits