PRODUCT SUMMARY
SKY77762 SkyHi™ Power Amplifier Module for CDMA /
WCDMA / HSDPA / HSUPA / HSPA+ / LTE –
Band II (1850–1910 MHz)
Applications
•
WCDMA handsets
•
HSDPA
•
HSUPA
•
HSPA+
•
LTE
-
Band 25
(1850 MHz–1915 MHz)
-
Bnad 39
(1850 MHz–1920 MHz)
•
CDMA2000
•
EVDO
Description
The SKY77762 SkyHi™ Power Amplifier Module (PAM) is a fully matched 10-pad surface mount
(SMT) module developed for Wideband Code Division Multiple Access (WCDMA) applications. This
small and efficient module packs full 1850-1910 MHz bandwidth coverage into a single compact
package. Because of high efficiencies attained throughout the entire power range, the SKY77762
delivers unsurpassed talk-time advantages. The SKY77762 meets the stringent spectral linearity
requirements of High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access
(HSUPA), and Long Term Evolution (LTE) data transmission with high power added efficiency. An
integrated directional coupler eliminates the need for any external coupler.
The Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all amplifier
active circuitry, including input and interstage matching circuits. The silicon CMOS support die,
providing precision biasing for the MMIC affords a true CMOS-compatible control interface. Output
match into a 50-ohm load, realized off-chip within the module package, optimizes efficiency and
power performance.
The SKY77762 is manufactured with Skyworks' InGaP GaAs Heterojunction Bipolar Transistor (HBT)
process which provides for all positive voltage DC supply operation and maintains high efficiency and
good linearity. Primary bias to the SKY77762 can be supplied directly from any suitable battery with
an output of 3.0 V to 4.5 V, but optimal performance is obtained by sourcing VCC2 from a DC-DC
power supply adjusted within 0.5 V to 3.4 V based on target output power levels. Power down
executes by setting VENABLE 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 3.0 V to 4.5 V
•
Good linearity
•
High efficiency
•
Large dynamic range
•
Small, low profile package
-
3 mm x 3 mm x 0.9 mm
- 10-pad configuration
•
Power down control
•
InGaP
•
Supports low collector
voltage 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
201774B • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • October 9, 2013
1
Ordering Information
Product Name
SKY77762 SkyHi™ Power Amplifier Module
Order Number
SKY77762
Evaluation Board Part Number
EN20-D957-001 REV A
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