RF210B Datasheet | Conexant Systems

Features - LNA/image-reject mixer for RF to IF conversion - 10 d B (RF210A) or 20 d B (RF210B) switchable gain for GSM - 8 d B (RF210A) or 16 d B (RF210B) switchable gain for DCS/PCS - 30 d B of image rejection. No post-LNA filtering required - High isolation LO input buffer - Differential IF output - High dynamic range - Three-cell battery operation (2.7 to 5 V) - 20-pin Thin Shrink Small Outline Package (TSSOP) Applications - Dual-band digital cellular mobile telephony (GSM900/DCS 1800 or GSM900/PCS1900) NC LNA900GND LNA900IN 0 90 90 IFOUT 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 MIXVCC MIXGND BYP900 IFOUT+ IFOUTBYP1800 BANDSEL LOIN LOGND ADJMIX C067 BIASGND LNA900IN GAINSEL BIASVCC LNAVCC 0 LNA1800IN 90 LOIN GAINSEL LNA1800IN LNA1800GND BANDSEL BYP900 BIAS BYP1800 C069 Figure 1. RF210(A/B) Block Diagram Figure 2. RF210(A/B) Pin Configuration - 20-Pin TSSOP Data Sheet Conexant Proprietary Information and Specifications are Subject to Change Doc. No. 100775A October 20, 1999 RF210(A/B) Image-Reject Downconverter Technical...