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PDF SKY77453 Data sheet ( Hoja de datos )
| Número de pieza | SKY77453 | |
| Descripción | Power Amplifier Module | |
| Fabricantes | Skyworks Solutions | |
| Logotipo |  |
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PRODUCT SUMMARY
SKY77453 Power Amplifier Module for LTE / EUTRAN
Bands XII / XVII (698–716 MHz)
APPLICATIONS
• Long-Term Evolution (LTE)
• 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
• 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
in low power mode using
VBA pad
• InGaP BiFET Technology
• Skyworks Green™
Packaging Technology
The SKY77453 Power Amplifier Module (PAM) is a fully matched, surface mount module developed for
LTE / EUTRAN applications. This small and efficient module packs full coverage of Bands XII / XVII
LTE / EUTRAN / WCDMA into a single compact package. The SKY77453 meets the stringent spectral
linearity requirements of LTE modulation with QPSK / 16QAM modulations from 1.4 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
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 SKY77453 is supplied via the
VCC1 and VCC2 pads directly from a three-cell Ni-Cad, a single-cell Li-Ion, or other suitable battery
with output in the 3.0 to 4.6 volt range, while the bias network is powered via the VCCB pad. DC-DC
converter operation can be supported with low 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
201006A • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • January 22, 2009
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SKY77453.PDF ] | |
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