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PDF MGA-25203 Data sheet ( Hoja de datos )
| Número de pieza | MGA-25203 | |
| Descripción | 5.1-5.9GHz 3x3mm WiFi and WiMAX Power Amplifier | |
| Fabricantes | Avago Technologies | |
| Logotipo |  |
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MGA-25203
5.1-5.9GHz 3x3mm WiFi and WiMAX Power Amplifier
Data Sheet
Description
Avago Technologies MGA-25203 linear power amplifier is
designed for mobile and fixed wireless data applications
in the 5.1 to 5.9 GHz frequency ranges. The PA is optimized
for IEEE 802.11a/n WLAN and 802.16 WiMAX applications.
The PA exhibits flat gain and good match while providing
linear power efficiency to meet stringent mask conditions.
It utilizes Avago Technologies proprietary GaAs Enhance-
ment-mode pHEMT technology for superior performance
across voltage and temperature levels.
The MGA-25203 is packaged in a 3x3x1 mm size for space-
constrained applications.
Applications
Portable WiFi and WiMAX applications
WiFi and WiMAX Access points
Functional Block Diagram
GND
16
RFIN
1
VCC1
15
GND VCC2
14 13
GND
12
Features
Advanced GaAs E-pHEMT
50 all RF ports
Full performance across entire 5.1-5.9GHz
Operates from 4.9-5.9 GHz
Integrated CMOS compatible pins for shutdown
3 to 5V supply
ESD protection all ports above 1000V HBM
Small size: 3 x 3 x 1 mm
Stable under all loads or conditions
-40C to +85C operation
At 5.4GHz
Meets all IEEE 802.11n masks at 23 dBm Pout with 3.3V
and 425mA
EVM of -34dB (2.0%) at 64QAM, 54Mbps @ Pout of
23dBm
Gain of 30dB
PAE of 13%
Package Diagram
GND
2
ISMN
GND
3 BIAS NETWORK
BCTRL
4
BSPLY BSW N/C
5 67
OMN
RFOUT
11
GND
10
N/C
9
N/C
8
RFIN
GND
GND
BCTRL
16 15 14 13
1 12
2 17 11
3 GND 10
49
5678
GND
RFOUT
GND
NC
3mm x 3mm x 1mm
Free Datasheet http://www.datasheet-pdf.com/
1 page  
Gain Frequency Sweep (Vcc=3.0 to 5.0V)
Tambient=25C and Pout=23dBm
34.00
3V0
33.00 3V3
3V6
32.00 4V2
5V0
31.00
30.00
29.00
28.00
27.00
5400 5500 5600 5700 5800 5900
Frequency (MHz)
Figure 7. Gain Frequency Sweep at 25C and Pout=25dBm over Vcc
Gain Power Sweep (Freq=5.4 to 5.9GHz)
Tambient=25C and Vcc=3.3V
34.00
32.00
30.00
28.00
26.00
24.00
22.00
20.00
19.0
5.4GHz
5.5GHz
5.6GHz
5.7GHz
5.8GHz
5.9GHz
20.0
21.0 22.0
Pout (dBm)
23.0
Figure 9. Gain Power Sweep at Vcc=3.3V and 25C over Frequency
24.0
Gain Power Sweep (Freq=5.4 to 5.9GHz)
Tambient=85C and Vcc=3.3V
34.00
32.00
30.00
28.00
26.00 5.4GHz
5.5GHz
24.00 5.6GHz
5.7GHz
22.00 5.8GHz
5.9GHz
20.00
19.0 20.0 21.0 22.0 23.0 24.0
Pout (dBm)
Figure 11. Gain Power Sweep at Vcc=3.3V and -+85C over Frequency
Gain Frequency Sweep (Tambient=-30C to +85C)
34 Vcc=3.3V and Pout=23dBm
32
30
28
26
24
-30C
22 25C
+85C
20
5400 5500 5600 5700 5800 5900
Frequency (MHz)
Figure 8. Gain Frequency Sweep at Vcc=3.3V and Pout=25dBm over Tambient
Gain Power Sweep (Freq=5.4 to 5.9GHz)
Tambient=-30C and Vcc=3.3V
34.00
32.00
30.00
28.00
26.00 5.4GHz
5.5GHz
24.00 5.6GHz
5.7GHz
22.00 5.8GHz
5.9GHz
20.00
19.0 20.0 21.0 22.0 23.0 24.0
Pout (dBm)
Figure 10. Gain Power Sweep at Vcc=3.3V and -30C over Frequency
0.56
0.54
0.52
0.50
0.48
0.46
0.44
0.42
0.40
0.38
0.36
0.34
0.32
0.30
5400
Total Current Frequency Sweep (Vcc=3.0 to 5.0V)
Tambient=25C and Pout=23dBm
3V0
3V3
3V6
4V2
5V0
5500
5600 5700
Frequency (MHz)
5800
5900
Figure 12. Total Current Frequency Sweep at 25C and Pout=25dBm over Vcc
5
Free Datasheet http://www.datasheet-pdf.com/
5 Page 
Application Circuit MGA-25203
Vdd1 Vdd2
47uF
10uF
0.1uF 10uF
100pF
100pF
RF In
BCTRL
0.1uF 100pF 100pF
11RRFFIInn
22GGNNDD
33GGNNDD
44BBCCTTRRLL
100pF
GNGDND1212
RFROFuOt u1t111
GNGDN1D010
NCN9C 9
100pF
RF Out
BSPLY BSW
Using 3.3V or 5V Supply and tying Vcc1, Vcc2, BSPLY and BCTRL
Vbat
R1
R2
Vcc1 Vcc2 BSPLY
BCTRL
3.3V Example :
VBCTRL = R2 *VBATT
R1 + R2
40K
2.8V =
*3.3V
R1 + 40K
R1 = 7K
R2 = 40K
Given :
VBCTRL = 2.8V
VBAT = 3.3V
R2 = 40K
R1 = ?
Notes: BCTRL regulates the device current, thus R1 and R2 should have
good tolerance rating. If available, a voltage regulator is the preferred
method of bias.
In this example we set R2 at 40KOhm and solve for R1 with simple
voltage divider equation. Note this method will cause some leakage
current through R2.
5.0V Example :
VBCTRL = R2 *VBATT
R1 + R2
20K
2.8V =
*5.0V
R1 + 20K
R1 = 30K
R2 = 20K
Given :
VBCTRL = 2.0V
VBAT = 5.0V
R2 = 20K
R1 = ?
11
Free Datasheet http://www.datasheet-pdf.com/
11 Page | ||
| Páginas | Total 14 Páginas | |
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