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产品型号SKY77418的Datasheet PDF文件预览

ADVANCE PRODUCT SUMMARY  
SKY77418: LIPA® Module for CDMA / PCS (1850–1910 MHz)  
Applications  
Description  
Personal Communications  
Services (PCS)  
The SKY77418 Load Insensitive Power Amplifier (LIPA™) module is a fully matched 16-pad surface  
mount module developed for Code Division Multiple Access (CDMA) applications. This small and  
efficient power amplifier packs full coverage of the 1850–1910 MHz bandwidth into a single compact  
package.  
Wireless local loop (WLL)  
Features  
Low voltage positive bias  
- 3.2 V to 4.2 V  
Because of high efficiencies attained throughout the entire power range, the SKY77418 delivers  
unsurpassed talk-time advantages. In addition, Skywork’s patented LIPA technology ensures that the  
stringent linearity requirements are met, even with a load mismatch of 4:1.  
Low VREF  
- 2.85 V, nominal  
The single Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all active  
circuitry in the module. The MMIC contains on-board bias circuitry, as well as input and interstage  
matching circuits. The output match is realized off-chip within the module package to optimize  
efficiency and power performance into a 50 load. This device is manufactured with Skyworks’  
InGaP GaAs Heterojunction Bipolar Transistor (HBT) process that provides for all positive voltage DC  
supply operation while maintaining high efficiency and good linearity. Primary bias to the SKY77418 is  
supplied directly from a three-cell Ni-Cd, a single-cell Li-Ion, or other suitable battery with an output  
in the 3.2 to 4.2 volt range. Power down is accomplished by setting the voltage on the low current  
reference pad 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.  
Supports low collector  
voltage operation  
Good linearity  
High efficiency at all power  
levels  
- 20% at 16 dBm  
Large dynamic range  
16-pad package  
- 4 x 4 x 1.5 mm  
Power down control  
InGaP  
Digital VENABLE  
VMODE (1)  
VENABLE (2)  
VREF (5)  
MODULE  
MMIC  
Skyworks offers lead  
(Pb)-free "environmentally  
friendly" packaging  
that is RoHS compliant  
(European Parliament  
for the Restriction of  
Hazardous Substances).  
Bias and Temperature  
Compensation Circuit  
VBIAS (6)  
Output  
Match  
Inter-Stage  
Match  
Input  
Match  
RF IN (3)  
(11) RF OUT  
DA  
PA  
VCC1 (7, 15)  
VCC2 (9, 13)  
GND (4, 8,  
10, 12, 14)  
200544_001  
Figure 1. Functional Block Diagram  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
200544P1 • Skyworks Proprietary and Confidential Information. • Products and product Information are subject to change without notice. • May 17, 2006  
1
© 2006, Skyworks Solutions, Inc. All Rights Reserved.  
Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials are provided by Skyworks as a service to its  
customers and may be used for informational purposes only. Skyworks assumes no responsibility for errors or omissions in these materials. Skyworks may make changes  
to its products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no  
responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its products and product descriptions.  
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as may be provided in Skyworks’ Terms and  
Conditions of Sale for such products, Skyworks assumes no liability whatsoever.  
THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, RELATING TO SALE AND/OR USE OF SKYWORKS™  
PRODUCTS INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY  
PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION,  
TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR  
CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS.  
Skyworks™ products are not intended for use in medical, lifesaving or life-sustaining applications. Skyworks’ customers using or selling Skyworks™ products for use in  
such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale.  
The following are trademarks of Skyworks Solutions, Inc.: Skyworks™, the Skyworks symbol, and “Breakthrough Simplicity”™. Product names or services listed in this  
publication are for identification purposes only, and may be trademarks of third parties. Third-party brands and names are the property of their respective owners.  
Additional information, posted at www.skyworksinc.com, is incorporated by reference.  
配单直通车
SKY77438产品参数
型号:SKY77438
是否Rohs认证: 符合
生命周期:Active
Reach Compliance Code:unknown
风险等级:5.7
Base Number Matches:1
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