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SKY77764 Datasheet PDF - Skyworks Solutions

Part Number SKY77764
Description Power Amplifier Module
Manufacturers Skyworks Solutions 
Logo Skyworks Solutions Logo 

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SKY77764 datasheet, circuit
DATA SHEET
SKY77764 Power Amplifier Module for CDMA/ WCDMA/
HSDPA/ HSUPA/ HSPA+/ LTE – Bands III, IV, IX
(1710 MHz–1785 MHz)
Applications
WCDMA handsets
HSDPA
HSUPA
HSPA+
LTE
CDMA2000
EVDO
Features
Low voltage positive bias
supply 3.0 V to 4.5 V
Good linearity
High efficiency
- 46% at 28.6 dBm
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 VREF required
CMOS compatible control
signals
Integrated Directional
Coupler
Description
The SKY77764 Power Amplifier Module (PAM) is a fully matched 10-pad surface mount module
developed for Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient
module packs full 1710-1785 MHz bandwidth coverage into a single compact package. Because of
high efficiencies attained throughout the entire power range, the SKY77764 delivers unsurpassed
talk-time advantages. The SKY77764 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 SKY77764 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. While primary bias to the SKY77764 can be supplied directly from any suitable battery
with an output of 3.2 V to 4.2 V, optimal performance is obtained with VCC2 sourced from a DC-DC
power supply adjusted within 0.5 V to 3.6 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.
Figure 1. SKY77764 Functional Block Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201720E • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • September 19, 2012
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SKY77764 equivalent
SKY77764 POWER AMPLIFIER MODULE for CDMA/ WCDMA/
HSDPA/ HSUPA/ HSPA+/ LTE – BANDS III/ IV/ IX (1710–1785)
Parameter
DPCCH
DPDCH
Level
15 kbps
60 kbps
Table 5. Standard Test Configuration – STC1 WCDMA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 8/15 — — —
16
64
I
15/15
DATA SHEET
βed Relative Power (dB)
— –6.547
— –1.087
Parameter
DPCCH
DPDCH
HS-DPCCH
Level
15 kbps
60 kbps
15 kbps
Table 6. Standard Test Configuration – STC2 HSDPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0
256
Q
12/15
16
64
I
15/15
64 256 Q — — 24/15
βed Relative Power (dB)
— –7.095
— –5.157
— –3.012
Parameter
DPCCH
DPDCH
HS- DPCCH
E-DPCCH
E-DPDCH
Level
15 kbps
960 kbps
15 kbps
15 kbps
960 kbps
Table 7. Standard Test Configuration – STC3 HSUPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 8/15 — — —
1
4
I
15/15
64 256 Q — — 8/15
1 256 I — — — 10/15
2 4 I ————
βed Relative Power (dB)
— –19.391
— –13.931
— –19.391
— –17.338
71.5/15
0.371
Parameter
DPCCH
DPDCH
HS- DPCCH
E-DPCCH
E-DPDCH
Level
15 kbps
960 kbps
15 kbps
15 kbps
960 kbps
Table 8. Standard Test Configuration – STC4 HSUPA Mode
Spread Code Spread Factor I/Q βc βd βhs βec
0 256 Q 6/15 — — —
1
4
I
15/15
64 256 Q — — 2/15
1 256 I — — — 12/15
2 4 I ————
βed
15/15
Relative Power (dB)
12.499
4.540
22.041
6.478
4.425
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201720E • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • September 19, 2012
5

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Information Total 11 Pages
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