SKY77179 - Skyworks Solutions

SKY77179 AutoSmart PA Module

The SKY77179 AutoSmart™ Power Amplifier Module (PAM) is a fully matched, 8-pin surface mount module developed for Wideband Code Division Multiple Access (WCDMA) / High Speed Downlink Packet Access (HSDPA) applications. AutoSmart™ power amplifier technology internally adjusts the RF transistor bias level throughout the dynamic operating range to minimize batt.

Features

• Low voltage positive bias supply - 3.2 V to 4.2 V
• Low VREF - 2.85 V, nominal
• Low IREF - less than 2 mA
• Good linearity
• High efficiency
• Large dynamic range
• 8-pin package - 3 x 3 x 1.2 mm
• Power down control
• InGaP
• 3GPP Skyworks offers lead (Pb)-free "environmentally friendly" packaging that is RoHS compliant (European Parliament for the Restriction of Hazardous Substances). VREF Feedback Control Circuit Driver Stage Bias VBIAS VCC RF_IN Input Match DA Inter-Stage Match PA Power Stage Bias MODULE Output Match RF_OUT GND 200615_001 Figure 1. Functional Block Diagram Skywo.