PRODUCT SUMMARY
SKY77758 Broadband Power Amplifier Module for
WCDMA / HSDPA / HSUPA / HSPA+ / CDMA
(Bands I, II, IV, V, VIII)
Applications
•
WCDMA handsets
•
HSDPA
•
HSUPA
•
HSPA+
•
CDMA
Description
The SKY77758 Power Amplifier Module (PAM) is a fully matched, 14-pad, surface mount module
developed for Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient
module packs full coverage for WCDMA Bands I, II, IV, V, VIII into a single compact package. The
SKY77758 meets stringent spectral linearity requirements for WCDMA, HSDPA, HSUPA, HSPA+
transmission with high power-added efficiency. A directional coupler integrated into the module
eliminates the need for any external coupler.
The single Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all active
circuitry in the module. The MMIC contains on-board bias circuitry, as well as input and interstage
matching circuits. Output match into a 50-ohm load is realized off-chip within the module package to
optimize efficiency and power performance.
The SKY77758 PAM is manufactured with Skyworks’ InGaP GaAs Heterojunction Bipolar Transistor
(HBT) process that provides for all positive voltage DC supply operation while maintaining high
efficiency and good linearity. No VREF voltage is required. Power down is accomplished by setting the
voltage on VENHB and VENLB to zero volts. No external supply side switch is needed as typical “off”
leakage is a few microamperes with full primary voltage supplied from the battery.
Features
•
Low voltage positive bias
supply: V
BATT
3.0 V to 4.5 V
•
High efficiency
•
Large dynamic range
•
Small, low profile package
-
3.0 mm x 4.2 mm x 0.9
mm
-
14-pad configuration
•
Power down control
•
InGaP
•
Supports low voltage V
CC
operation
•
Digital Enable
•
No V
REF
required
•
CMOS compatible control
signals
•
Integrated Directional
Coupler
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202925B • Skyworks Proprietary Information • Products and product information are subject to change without notice. • September 13, 2013
1
Ordering Information
Product Name
SKY77758 Broadband Power Amplifier Module
Order Number
SKY77758
Evaluation Board Part Number
EN21-D525-003 REV A
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