SA1620 Overview
Description
The SA1620 is a combined receive (Rx) and transmit (Tx) front-end for GSM cellular telephones. The receive path contains two low noise amplifiers (LNA1 and LNA2) with four switchable attenuation steps.
Key Features
- Excellent noise figure: <2dB for the LNAs at 950MHz
- LNAs matched to 50Ω with external matching components
- LNAs with gain control, 59dB dynamic range in four discrete steps
- LNA gain stability ±0.5dB within -40 to 85°C
