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PDF SKY77441 Data sheet ( Hoja de datos )
| Número de pieza | SKY77441 | |
| Descripción | Multi-Mode / Multi-Band PA Module | |
| Fabricantes | Skyworks Solutions | |
| Logotipo |  |
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PRODUCT SUMMARY
SKY77441 Multi-Mode / Multi-Band PA Module for
LTE FDD Band VII (2500–2570 MHz) and
LTE TDD Bands 38 / 40 (2300–2620 MHz)
APPLICATIONS
• Long-Term Evolution (LTE)
FDD and TDD
• Evolved Universal Terrestrial
Radio Access Networks
(EUTRAN)
• Handsets and Data Cards
Features
• QPSK, 16QAM modulations
• Up to 20 MHz bandwidths
• Up to 100 resource blocks
• Band VII Linear Power
@ 3.4 V
- LTE: 27.5 dBm
- WCDMA: 28.5 dBm
• Low voltage positive bias
supply
- 3.0 V to 4.6 V
• Supports low collector
voltage operation down to
1.5 V
• Excellent linearity, efficiency
• Large dynamic range
• Low profile 16-pad package
- 4 mm x 4 mm x 0.85 mm
• Analog bias current control
using VBA pad
• InGaP BiFET Technology
• Skyworks Green™
Packaging Technology
The SKY77441 Power Amplifier Module (PAM) is a fully matched, surface mount module developed
for LTE / EUTRAN FDD and TDD applications. This small and efficient module packs full coverage of
LTE FDD Band VII and LTE FDD Bands 38 / 40 into a single compact package, and is capable of
delivering the linear WCDMA power up to 28.5 dBm from 2.3 to 2.7 GHz. The SKY77441 meets the
stringent spectral linearity requirements of LTE modulation with QPSK / 16QAM modulations from
1.4 MHz to 20 MHz bandwidth and full or partial resource block allocations with high power added
efficiency.
Integration of the PAM simplifies the design of the 4G-compatible handset radios and data cards as
all the active RF circuitry, including the PA, input, interstage and output matching circuits and power
detector are optimized within the single module component. Output match is realized off-chip within
the module package to optimize efficiency and power performance into a 50 Ω load. The device is
manufactured with Skyworks’ BiFET process that provides for all positive voltage DC supply
operation while maintaining high efficiency and good linearity. Primary bias to the SKY77441 is
supplied via the VCC1 and VCC2 pads directly from a three-cell Ni-Cad, a single-cell Li-Ion, or other
suitable batteries with outputs in the 3.0 to 4.6 volt range, while the bias network is powered up with
the VCCB pad. DC-DC converter operation can be supported with lower power operation down to
1.5 V. Power down is accomplished by setting a logic low level on the VEN pad. No external supply
side switch is needed as typical “off” leakage is 100 microamperes with full primary voltage
supplied from the battery. The VMODE pad is used to switch between high and low power modes to
reduce current consumption and gain in the back-off conditions. VBA is used to further control the
current consumption in the low power mode.
Figure 1. Functional Block Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200993B • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • January 21, 2008
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1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SKY77441.PDF ] | |
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