Text preview for : RGPA04(4.9-5.9 GHz GaAs pHEMT).pdf part of Rficsolutions.Inc RGPA04 The RGPA04 is a 4.9 to 5.9 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC power amplifier. The device is designed for 802.11a WLAN system. The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency of 37 % for 802.11a WLAN systems. The part is biased by a single +3.3 V supply.



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RFIC Solutions Inc.
Power Amplifier
Description .

Preliminary Datasheet RGPA04

Functional Diagram

.

The RGPA04 is a 4.9 to 5.9 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC power amplifier. The device is designed for 802.11a WLAN system. The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency of 37 % for 802.11a WLAN systems. The part is biased by a single +3.3 V supply.

Applications. IEEE 802.11 a WLAN WiFi Systems ISM Band Systems

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Key Features. . High Performance Linear Gain around 28 dB PAE 37% Power Output at P1 dB compression is 26 dB

Electrical Specifications.

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Conditions: Vcc = 3.3 V & TA=25 0C

Parameter
Frequency Range Gain Input Return Loss Output Return Loss Power Output P1dB EVM @ 20dBm Pout Efficiency Supply Current Power up control voltage Power down control voltage Power Detector output voltage ( 0dBm 22dBm) DC Voltage

Min
4.9 23

Typical
25 10 10 26 3.2 37% 300

Max
5.9

Units
GHz dB dB dB dBm % % mA V V V V

2.4 0 0 3.3

3.6 0.8 3.9

March 12, 2007

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RFIC Solutions Inc.
Power Amplifier
Simulated results. .

Preliminary Datasheet RGPA04

Small signal gain Vs Freq
28 26 24 22

Pout Vs Pin
40

20

d (S ,1 B (2 ))

20 18 16 14 12 10

Pout

0

-20

-40 -60 -40 -20 0 20 40
4 0 .9 G 5 0 .0 G 5 0 .1 G 5 0 .2 G 5 0 .3 G 5 0 .4 G RFfreq 5 0 .5 G 5 0 .6 G 5 0 .7 G 5 0 .8 G 5 0 .9 G

pin

Input Return Loss Vs Power

Output Return Loss Vs Power

March 12, 2007

www.rficsolutions.com

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RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice

RFIC Solutions Inc.
Power Amplifier
Layout .

Preliminary Datasheet RGPA04

March 12, 2007

www.rficsolutions.com

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RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice