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參數(shù)資料
| 型號(hào)： | RM008 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 放大器 |
| 英文描述： | PA Module for Dual-band GSM900 and DCS1800 Applications |
| 中文描述： | 880 MHz - 915 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 9.10 X 11.61 MM, 1.64 MM HEIGHT, SO-16 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 513K |
| 代理商： | RM008 |
Data Sheet
Skyworks Solutions, Inc. Proprietary
100781D
1999–2002 Skyworks Solutions, Inc., All Rights Reserved.
July 26, 2002
RM008
PA Module for Dual-band GSM900 and DCS1800 Applications
The RM008 is a dual-band Power Amplifier Module (PAM) designed in a compact
form factor for Class 4 GSM900 and Class 1 DCS1800 operation.
The PAM consists of two Gallium Arsenide (GaAs) Heterojunction Bipolar Transistor
(HBT) power amplifiers and internal components that match the RF input and output
ports to 50 ohms, which reduces the number of external components for a dual-band
design. Optimized for lithium-ion battery operation, both PAs share common power
supply pins to distribute current. The RM008 dual PAM has extremely low standby
current, which maximizes handset standby time.
A block diagram of the RM008 is shown below. The Analog Power Control (APC) pins
(GSM APC and DCS APC), control output power level. Table 4 of this data sheet
shows the complete signal pin assignments and descriptions of the RM008
dual-band Power Amplifier Module.
Functional Block Diagram
HBT
DCS IN
DCS OUT
GSM OUT
GSM IN
DCS APC
GSM APC
HBT
Distinguishing Features
High efficiency
GSM 50%
DCS 45%
Input and output matching
50 ohms internal
Small outline
9.1 mm x 11.61 mm
Low profile
1.64 mm
Applications
Class 4 GSM900 and Class 1
DCS1800 dual-band cellular
handsets
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