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RMPA5255 Datasheet

  • RMPA5255

  • 4.9-5.9 GHz WLAN Linear Power Amplifier Module

  • 7頁

  • FAIRCHILD

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RMPA5255 4.9鈥?.9 GHz WLAN Linear Power Ampli鏗乪r Module
September 2005
RMPA5255
4.9鈥?.9 GHz WLAN Linear Power Ampli鏗乪r Module
Features
鈻?/div>
Full 4.9 to 5.9 GHz operation
鈻?/div>
34 dB small signal gain
鈻?/div>
230 mA total current at 18 dBm modulated power out
鈻?/div>
2.3% EVM at 18 dBm modulated power out
鈻?/div>
3.3 V collector supply voltage
鈻?/div>
Integrated power detector with 20 dB dynamic range
鈻?/div>
RoHS compliant 5 x 5 x 1.5 mm leadless package
鈻?/div>
Internally matched to 50
鈩?/div>
and DC blocked RF
input/output
鈻?/div>
Internal DC bias de-coupling
鈻?/div>
Optimized for use in 802.11a applications
Description
The RMPA5255 power ampli鏗乪r module is designed for high
performance WLAN applications in the 4.9鈥?.9 GHz frequency
band. The 10 pin, 5 x 5 x 1.5 mm package with internal match-
ing on both input and output to 50
鈩?/div>
, and internal bias network
components, allow for extremely simpli鏗乪d integration. An on-
chip detector provides power sensing capability. The PA鈥檚 low
power consumption and excellent linearity are achieved using
our InGaP Heterojunction Bipolar Transistor (HBT) technology.
Device
Electrical Characteristics
1
802.11a OFDM Modulation
(176 碌s burst time, 100 碌s idle time) 54 Mbps Data Rate, 16.7 MHz Bandwidth
Parameter
Min
Typ
Frequency
Collector Supply Voltage
Mirror Supply Voltage
Mirror Supply Current
Gain
Total Current @ 18dBm Pout
EVM @ 18dBm
Pout
2
Detector Output @ 18dBm Pout
Detector Threshold
3
Notes:
1. VCC = 3.3V, VPC = 2.9V, T
A
= 25擄C, PA is constantly biased, 50
鈩?/div>
system.
2. Percentage includes system noise floor of EVM = 0.8%.
3. P
OUT
measured at P
IN
corresponding to power detection threshold.
4.9
3.0
3.3
2.9
26
33
230
2.3
450
5
Max
5.9
3.6
Units
GHz
V
V
mA
dB
mA
%
mV
dBm
漏2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
RMPA5255 Rev. E

RMPA5255 產(chǎn)品屬性

  • 4,000

  • RF/IF 和 RFID

  • RF 放大器

  • -

  • 4.9GHz ~ 5.9GHz

  • 26dBm（398.1mW）

  • 34dB

  • -

  • WLL，WLAN

  • 3 V ~ 3.6 V

  • 230mA

  • -

  • 11-LCC

  • 帶卷 (TR)

  • RMPA5255TR

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