©2005 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com
May 2005
FMPA2151 Rev. B
FMPA2151 2.4–2.5 GHz and 4.9–5.9 GHz Dual Band Linear Power Amplifier Module (Preliminary)
FMPA2151
2.4–2.5 GHz and 4.9–5.9 GHz Dual Band Linear Power
Amplifier Module (Preliminary)
Features
■ Dual band operation in a single package design
■ Integrated bias bypass
■ >30 dB modulated gain 2.4 to 2.5 GHz band
■ >30 dB modulated gain 4.9 to 5.9 GHz band
■ 27 dBm output power @ 1 dB compression for both
frequency bands
■ 3.5 % EVM at 20 dBm modulated power out (2.4 GHz)
■ 3.5 % EVM at 20 dBm modulated power out (5.5 GHz)
■ 3.3 V positive supply operation
■ Separate integrated power detectors with 20 dB dynamic
range
■ 16 pin 4 x 4 x 1.4 mm leadless package
■ Internally matched to 50 ohms and DC blocked RF
input/output
■ Optimized for use in 802.11a/b/g applications
General Description
The FMPA2151 is a dual frequency band power amplifier
module designed for high performance WLAN applications in
the 2.4-2.5 GHz and the 4.90-5.9 GHz frequency bands. The 16
pin 4 x 4 x 1.4 mm package with internal matching on both input
and output to 50 Ohms minimizes next level PCB space and
allows for simplified integration. Only two external bias bypass
capacitors are required. The two on-chip detectors provide
power sensing capability. The PA’s low power consumption and
excellent linearity are achieved using our InGaP Heterojunction
Bipolar Transistor (HBT) technology.
Device (4 x 4 x 1.4mm)
Electrical Characteristics
1
802.11g (2.4-2.5 GHz) OFDM Modulation
(with 176 µs burst time, 100 µs idle time) 54 Mbps Data Rate, 16.7 MHz Bandwidth
Notes:
1. VCC=3.3V, PA ON 2.4=3.3V, T
A
=25°C, PA is constantly biased, 50¾ system.
2. Percentage includes system noise floor of EVM=0.8%.
3. Measured at PIN at which Spectral Mask Compliance is satisfied. Two-sample windowing length applied.
Parameter Min Typ Max Units
Frequency 2.4 2.5 GHz
Collector Supply Voltage 3.0 3.3 3.6 V
Mirror Supply Voltage (PA ON 2.4) 2.6 3.0 3.6 V
Mirror Supply Current (PA ON 2.4) 0.1 mA
Gain 31 dB
Average Packet Current @ +20dBm Pout 170 mA
EVM @ +20dBm Pout
2
3.5 %
Detector Output @ +20dBm Pout 850 mV
Detector Output @ +5dBm Pout 230 mV
POUT Spectral Mask Compliance
3
+20 dBm
XYTT
Z
2151
