SKY77336

PRODUCT SUMMARY SKY77336 Power Amplifier Module for Quad-Band GSM / GPRS / EDGE Applications • Quad-band cellular handsets • GMSK Modulation - Class 4 GSM850/900 - Class 1 DCS1800/ PCS1900 - Class 12 GPRS multi-slot operation • EDGE modulation - Class E2 GSM850/900 - Class E2 DCS1800/ PCS1900 Description SKY77336 Power Amplifier Module (PAM) is designed in a compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800 and PCS1900, supporting Gaussian Minimum-Shift Keying (GMSK) and Polar Enhanced Data for GSM Evolution (EDGE) modulation. Class 12 General Packet Radio Service (GPRS) multi-slot operation is also supported. The module consists of GSM850/900 PA and DCS1800/PCS1900 PA blocks, impedance matching circuitry for 50 Ω input and output impedances, and a Power Amplifier Control (PAC) block. The custom CMOS integrated circuit provides the internal PAC function and interface circuitry. Fabricated in InGaP/GaAs, the Heterojunction Bipolar Transistor (HBT) PA blocks support the GSM850/900 bands and DCS1800/PCS1900 bands. Both PA blocks share common power supply pads to distribute current. The InGaP/GaAs die, Silicon (Si) controller die, and passive components are mounted on a multi-layer laminate substrate and the entire assembly is encapsulated with plastic overmold. RF input and output ports of the SKY77336 are internally matched to a 50 Ω load to reduce the number of external components for a quad-band design. Extremely low leakage current (10 μA, typical) of the PAM module maximizes handset standby time. The SKY77336 also contains band-select switching circuitry to select GSM (logic 0) or DCS/PCS (logic 1) as determined from the Band Select (BS) signal. See Figure 1 shown below. Features • High efficiency: - GSM850, 52% - GSM900, 52% - DCS, 50% - PCS, 50% • Small outline - 5 x 5 mm • Low profile - 0.9 mm, max • Low VRAMP current - 10 μA Figure 1. SKY77336 Functional Block Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200889C • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • March 2, 2009 1 Ordering Information Model Number SKY77336 Manufacturing Part Number SKY77336 Product Revision Package 5 x 5 x 0.9 MCM–16 Operating Temperature –20 °C to +85 °C Copyright © 2008–2009, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. 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