SA1620 - Low voltage GSM front-end transceiver
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.
A Gilbert Cell mixer in the receive path down-converts the RF signal to a first IF of 70 to 500 MH
SA1620 Features
* Excellent noise figure:
