RF210A
RF210A is Image-Reject Downconverters manufactured by 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...
