SKY77601 Overview
Skyworks SKY77601 is a hybrid multi-mode, multi-band Power Amplifier Module (PAM). The device is intended to support 2.5G and 3G handsets and operates efficiently in GSM, EGPRS, EDGE WCDMA modes. For 2.5G, the SKY77601 supports the GSM850, EGSM900, DCS1800, and PCS1900 bands.
SKY77601 Key Features
- Hybrid architecture: separate GSM and WCDMA paths
- Separate single-ended GSM and WCDMA inputs/outputs, all ACcoupled
- Multiplexed voltage detector for all modes/bands provided to transceiver
- Fully programmable serial bus interface
- Final VCC stage for 2.5G/3G can be attached to battery or buck DC/DC
- Driver stage for 3G can be attached to battery or buck DC/DC
- 2.5G features
- EGPRS Class 12 multi-slot operation
- Log power detector
- Linear PA with bias optimization for efficiency/linearity tradeoff in 8-PSK mode