SKY74073 Skyworks Solutions, SKY74073 Datasheet
SKY74073
Manufacturer Part Number
SKY74073
Description
Dual-Band SPR Module
Manufacturer
Skyworks Solutions
Datasheet
1.SKY74073.pdf
(2 pages)
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DataSheet
PRODUCT SUMMARY
SKY74073: Dual-Band SPR™ Module for GSM and GPRS
Handset Applications
Applications
• EGSM900 and DCS1800 cellular handsets encompassing:
−
−
• GPRS Class 10 handsets and modules.
Features
• Fully integrated transceiver, PA, PA control circuitry, antenna
• Low external component count. Requires only one external
• Integrated DCOC sequencer
• Single Integrated, fully programmable fractional-N synthesizer
• Integrated crystal oscillator circuitry
• Meets AM suppression requirements
• Low power standby mode
• Gold plated, lead-free contacts
• Compact, 40-pin 13 x 13 x 1.8 mm laminate Multi-Chip Module
4
switch, diplexer, transmit harmonic filters, and SAW filters
crystal and two low-cost capacitors
suitable for multi-slot GPRS operation
(MCM) package
U
.com
Class 4 EGSM900
Class 1 DCS1800
103073D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • November 29, 2004
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
DataSheet4U.com
Description
The SKY74073 SPR™ module combines all of the circuitry
required to design a dual-band EGSM900 and DCS1800 radio into
the world’s smallest single package module. This small package
is approximately one-third the size of alternative radio solutions
and uses Skyworks low cost, multi-layer laminate substrate
technology. The SKY74073 can save handset designers
significant space and design-cycle time while providing a
roadmap for future multi-band and 3G applications.
The SPR module contains Skyworks certified Full Type Approval
(FTA), single-chip BiCMOS direct conversion transceiver
technology. Direct conversion architecture eliminates costly
Intermediate Frequency (IF) conversion steps while reducing the
number of components required to support multi-band GSM/GPRS
handsets. Agile channel switching enables support of GPRS multi-
slot operations. Translation loop architecture is used in the
transmit path. Transmit loop filters and all supporting circuitry are
also integrated in the SPR module. Impedance-matching for the
50 Ω antenna port, I/O bias control circuitry, and DC blocking
circuitry are integrated into the module.
Two separate Heterojunction Bipolar Transistor (HBT) Power
Amplifier (PA) blocks are fabricated on a single Gallium Arsenide
(GaAs) die to provide maximum performance with the smallest
possible footprint. Optimized for lithium ion battery operation,
both PA blocks share common power supply pins. A custom
CMOS integrated circuit provides the internal interface to the PA.
The CMOS PA controller die also provides the antenna switch
decoding functionality. Transmit low pass circuitry designed to
filter out signal harmonics, a diplexer, and two receive Surface
Acoustic Wave (SAW) filters are also integrated in the radio
module.
The front-end radio circuitry uses two of Skyworks high
performance, low current consumption Pseudomorphic High
Electron Mobility Transistor
(SPDT) GaAs switches. The switches typically draw less than
10 µA of current during operation and are designed for low
insertion loss and high linearity performance.
Electrostatic Discharge (ESD) protection circuitry is integrated into
the SPR module and ensures the module’s ruggedness under
extreme conditions.
A functional block diagram of the SKY74073 SPR is shown in
Figure 1.
(
PHEMT), Single Pole Double Throw
1
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SKY74073 Summary of contents
Page 1
... Electrostatic Discharge (ESD) protection circuitry is integrated into the SPR module and ensures the module’s ruggedness under extreme conditions. A functional block diagram of the SKY74073 SPR is shown in Figure 1. 1 ...
Page 2
... D2 Σ ÷3 EGSM LNA ÷1/÷2 DCOC DCOC2 DCOC1 Timer Aux VGA1 + gMC LPF1 RC Figure 1. SKY74073 SPR Functional Block Diagram DataSheet4U.com Manufacturing Part Number SKY74073-13 1800MHz DFC 900MHz – + EGSM RX SAW GSM DCS RX SAW DCS LNA T/R Switch DCS Product Revision ...