Product Summary - Skyworks Solutions, Inc.

PRODUCT SUMMARY
SKY77916-11 SkyLiTE™ Tx-Rx FEM for Quad-Band GSM /
GPRS / EDGE w/ 14 Linear TRx Switch Ports, Dual-Band
TD-SCDMA, and TDD LTE Band 39
Applications
Description
• Cellular handsets encompassing Quad-Band GSM/EDGE,
Dual-Band TD-SCDMA, and TDD LTE
- Class 4 GSM850/900
- Class 1 DCS1800/PCS1900
- Class 12 GPRS multi-slot operation
- Linear EDGE operation
- TD-SCDMA Bands 34/39
- TDD LTE Band 39
SkyLiTE™ is Skyworks’ newest family of LTE devices which consists of
highly integrated modules incorporating the amplification, switching,
WiFi filtering and coupler functions required to support all major
FDD/TDD bands. With the addition of external duplexers, this product
family provides OEMs with a scalable and reconfigurable front-end
system suitable for markets worldwide.
Features
• Small, low profile package
- 5.5 mm x 5.3 mm x 0.8 mm Max
- 38-pad configuration
• Fully programmable MIPI® RFFE control
• Fourteen low-insertion-loss TRx ports (five ultra-low loss)
with enhanced linearity, for state-of-the-art 4G
performance and GPS / WiFi compatibility
• Integrated noise suppression notch filter for WiFi
coexistence
• Built-in IEC-compliant antenna ESD protection
• Integrated broadband directional coupler
• High Efficiency (inclusive of coupler)
- 40% GSM850 36% DCS1800
- 40% GSM900 36% PCS1900
• Wide GMSK input power range: –1 dBm to 6 dBm
• Tx-VCO-to-antenna and antenna-to-Rx-SAW filter RF
interface
• Tx harmonics below –40 dBm
• Current limiting and over-voltage protection for
ruggedness and extended battery life
• Input/Output ports internally matched to 50 Ω load
• High impedance control inputs: 20 µA, maximum
• Power control circuitry built-in for improved TRP variation
SKY77916-11 SkyLiTE™ is a key building block for global or five-mode
front-end implementation. As a Transmit / Receive Front-End Module
(FEM), the SKY77916-11 SkyLiTE™ supports 3G / 4G handsets and
operates efficiently in WCDMA, TD-SCDMA, and LTE modes. The
module is fully programmable through a Mobile Industry Processor
Interface (MIPI®).
By design, this Tx-Rx Front End Module offers a complete transmit
VCO-to-Antenna and Antenna-to-receive SAW filter solution for
advanced cellular handsets comprising quad-band GSM and linear 2.5G
operation. Developed in a compact form factor, it features a very low
profile of 0.8 mm (Max.). The SKY77916-11 supports Class 12 General
Packet Radio Service (GPRS) and EDGE multi-slot operation, and TDSCDMA and TDD LTE linear transmission. Fourteen transmit / receive
(TRx) ports and an integrated directional coupler enables broadband
3G/4G RF switch-through.
The module consists of a CMOS Power Amplifier (PA) Controller, a low
band (LB) PA block to support GSM850/900 bands and a high band (HB)
PA block to support DCS1800/PCS1900, TD-SCDMA bands 34/39, and
TDD LTE band 39. Also included are RF ports internally matched to 50
ohm impedance loads, Tx harmonic filtering, RF switching, and a
directional coupler at the antenna output. The custom low-current PA
controller includes the Mobile Industry Processor Interface (MIPI®) and
decoder circuitry to control the RF switch.
All RF ports are internally matched to 50 ohm impedance to minimize
external components on the phone board. The GaAs fabricated
Heterojunction Bipolar Transistor (HBT) PA blocks share common power
supply pads to distribute current. Extremely low leakage current of the
SKY77916-11 maximizes handset standby time. Fourteen TRx pads and
the PA outputs connect to the antenna through a high-linearity, low-loss
switch. The TRx ports feature a 0 volts DC offset level that eliminates
external blocking capacitors. An integrated directional coupler
precludes any external coupler requirements.
The GaAs die and the switch die, the CMOS controller, and passive
components are mounted on a multi-layer laminate substrate with the
entire assembly encapsulated with plastic overmold.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
203393C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 29, 2015
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PRELIMINARY DATA SHEET
MIPI® controls the RF signal flows including mode control
and selection of LB or HB PA or TRx port.
For GMSK modes, the PA controller provides envelope
amplitude control as a function of VRAMP and reduces
sensitivity to the variations in input drive, temperature,
power supply, and process. Skyworks’ Finger-Based
Integrated Power Amplifier Control (FB-iPAQ) minimizes
SKY77916-11 Tx-Rx FEM for QUAD-BAND GSM / GPRS / EDGE w/ 14
LINEAR TRx SWITCH PORTS, DUAL-BAND TD-SCDMA, and TDD LTE Band 39
output power variation into mismatch. Proper timing of MIPI®
commands and VRAMP input ensures high isolation between the
antenna and Tx-VCO while the VCO is tuned prior to the transmit burst.
For EDGE and TD-SCDMA / TDD LTE linear modes, VRAMP voltage
along with MIPI-based bias settings optimize the PA linearity and
efficiency.
Ordering Information
Product Name
Order Number
Evaluation Board Part Number
SKY77916-11 Tx-Rx Front-End Module
SKY77916-11
TBD
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
April 29, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 203336C