Text preview for : RGPA03(3.4-3.6 GHz GaAs pHEMT).pdf part of Rficsolutions.Inc RGPA03 The RGPA03 is a 3.4 to 3.6 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC Power Amplifier. It has been designed for use in the 3.5 GHz WiMax systems.
The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency for this Band. The part is biased by a single +3.3V supply.
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RFIC Solutions Inc.
Power Amplifier
Description .
Preliminary Datasheet RGPA03
Functional Diagram
.
The RGPA03 is a 3.4 to 3.6 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC Power Amplifier. It has been designed for use in the 3.5 GHz WiMax systems. The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency for this Band. The part is biased by a single +3.3V supply. . Applications. · WiMax Transceivers · Broadband Wireless Application . Key Features. . · High Gain, High Performance · Linear Gain around 25 dB · Output Power in the range of 20 dBm · Small Die Area
Electrical Specifications.
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Conditions: Vcc = 3.3 V & TA=25 0C
Parameter
Frequency Gain EVM@20 dBm Pout P1dB out Input Return Loss Output Return Loss Supply Voltage Supply Current Power up control voltage Power down control voltage Power detector output voltage (0dBm 22 dBm)
Min
3.4
Typical
26 3 27 12 12 3.3 280
Max
3.6 28
Units
GHz dB % dBm dB dB Volt mA V V V
2.4 0 0.5
3.6 0.8 3.9
March 12, 2007
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RFIC Solutions Inc.
Power Amplifier
Simulated results. Gain Vs RF Power & Freq
30 25
40 30 20 10 0 -10
Preliminary Datasheet RGPA03
. Pout Vs Pin
dB(S_21)
15 10 5
pout
20
-20
-10
0
10
20
-30
-20
-10
0
10
20
30
RFpower
pin
Stability Vs RF Power
-10 -15
Input Return Loss Vs RF Power
10 9 8 7 6 5 4 3 2 1 0
dB(S_11)
-20 -25 -30 -35 -40
-20
-15
-10
-5
0
5
10
15
20
K
-20
-15
-10
-5
0
RFpower
5
10
15
20
RFpower
Output Return Loss Vs RF Power
0
-10
dB(S_22)
-20
-30
-40
-20 -15 -10 -5 0 5 10 15 20
RFpower
March 12, 2007
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RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice
RFIC Solutions Inc.
Power Amplifier
Input Return Loss Vs Freq
Preliminary Datasheet RGPA03 Output Return Loss Vs Freq
Layout.
.
March 12, 2007
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RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice