-29-
A standard 3 wire serial interface is used to program the IC. The interface features low-voltage digital
interface buffers compatible with logic levels from 1.6V to 3.0V.
The AD6548/9 is packaged in a 5mm
×
5mm , 32-lead LFCSP package.
3.3.2 Features
Fully Integrated GSM Transceiver including
Direct Conversion Receiver
4 Differential LNAs
Integrated Active RX Channel Select Filters
Programmable Gain Baseband Amplifiers
Translation Loop Direct VCO Modulator
Integrated TX VCO and tank
External TX filters eliminated
Integrated Loop filter components
High performance multi band PLL system
Fast Fractional-N Synthesizer
Integrated Local Oscillator VCO
Fully Integrated Loop filters
Crystal Reference Oscillator & Tuning System (AD6548)
Power Management
Integrated LDOs allow direct battery supply connection
Small footprint
32-Lead 5 X 5 mm Chipscale Package
APPLICATIONS
Dual, Triple and Quad Band Radios
- GSM850, E-GSM 900, DCS1800 and PCS1900
- GPRS to Class 12- EDGE RX
3.3.3 Pin Descriptions
ORDERING GUIDE
To Next Page
Loading...
