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ECM004 Datasheet

  • ECM004

  • 13頁

  • ETC

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PRELIMINARY DATA SHEET
ECM004
U.S. PCS CDMA
3.5V POWER AMPLIFIER MODULE
Description
The ECM004 is a PCS power amplifier module at 3.5Volts
Vcc with high efficiency. This device was developed using
EiC鈥檚 own InGaP Gallium Arsenide Heterojunction Bipolar
Transistor (HBT) process. It is optimized for PCS CDMA
(digital) in the 1850 MHz to 1910 MHz band. It operates
from a positive voltage (3 - 4Volts Vcc) and includes a
power-down feature. The input and output are both
matched to 50鈩? It is housed in a 6 X 6 mm Land Grid
Array package.
Features
U.S. PCS CDMA
Single 3.5V Supply for 3-Cell Ni or Li-Ion Battery
Power-down activated when Vref pin <1V
28.5 dBm CDMA Power
35% CDMA Efficiency
Power-down Capability
80mA Typical Quiescent Current
High Reliability InGaP Design
Applications
3.5V U.S. PCS CDMA Handsets
Functional Block Diagram
CAUTION!
SENSITIVE ELECTRONIC DEVICE
EiC
Corp.
A Subsidiary of
EiC
Enterprises, Ltd.
45738 Northport Loop West, Fremont, CA 94538
Phone: (510) 979-8999
Fax: (510) 979-8902
www.eiccorp.com
SS-000371-000
Revision E
1

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