SKY77344-21 Datasheet (Skyworks Solutions)

SKY77344-21, Power Amplifier Module

and External VRAMP Filter Guideline When the SKY77344-21 PAM saturates under conditions of low battery and/or VSWR, a decrease in the internal power control loop gainbandwidth occurs, producing high level switching transients on the falling edge of the burst.

To prevent this condition, the SKY77344-

APPLICATION NOTE SKY77344-21 Power Amplifier Module Evaluation Information Applicability: SKY77344 Version -21 Introduction This Application Note describes the functionality, board layout and applications instructions of the SKY77344-21 Power Amplifier Module.

The SKY77344-21 Power Amplifier Module (PAM) is designed for quad-band cellular handsets comprising GSM850/900, DCS1800/ PCS1900, and supports Class 12 General Packet Radio Service (GPRS) multi-slot operation, and Enhanced Data G

SKY77344-21 Features

* er reduction target is met, at which point IOFFSET is held constant until VRAMP decreases below 0.9 V or a PA enable high-to-lo