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PDF MGA-31289 Data sheet ( Hoja de datos )
| Número de pieza | MGA-31289 | |
| Descripción | 0.25W High Gain Driver Amplifier | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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MGA-31289
0.25W High Gain Driver Amplifier
1500 - 3000 MHz
Data Sheet
Description
Avago Technologies MGA-31289 is a 0.25W high gain
driver amplifier MMIC with good gain flatness, housed in
a standard SOT-89 plastic package. The device features
high linearity performance, excellent input and output
return loss, and low noise figure. The device can be easily
matched to obtain optimum power and linearity.
MGA-31289 is externally tunable to operate within 1.5GHz
to 3GHz frequency range applications. With high IP3, low
noise figure and wideband operation, MGA-31289 may be
utilized as a driver amplifier in the transmit chain and as a
second stage LNA in the receive chain.
This device uses Avago Technologies proprietary 0.25um
GaAS Enhancement mode PHEMT process.
Pin connections and Package Marking
12X
#1 #2
#3
RFin GND RFout
Top View
#3 #2
#1
RFout GND RFin
Bottom View
Notes:
Top View : Package marking provides orientation and identification
“12” = Device Code
“X” = Date Code character identifies month of manufacturing
Features
• ROHS compliant
• Halogen free
• High linearity at low DC bias power (1)
• High Gain
• Good gain flatness
• Low noise figure
• Excellent uniformity in product specification
• SOT-89 standard package
Specifications
At 1.9GHz, Vd = 5V, Id = 124mA (typ) @ 25°C
• OIP3 = 41.8dBm
• Noise Figure = 2dB
• Gain = 18.70dB; Gain Flatness (+/-50MHz) = 0.1dB
• P1dB = 23.6dBm
• IRL = 16.2dB, ORL = 10.3dB
Note:
1. The MGA-31289 has a good LFOM of 14dB. Linearity Figure of Merit
(LFOM) is essentially OIP3 divided by DC bias power.
Vdd
C
C
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model = 150 V
ESD Human Body Model = 2000 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
RFin
C
Figure 1. Simplified Schematic diagram
C
L
RFout
C
1 page  
MGA-31289 Application Circuit Data for 1900MHz (continue)
3.0 44
2.5 42
2.0 40
1.5 38
1.0
0.5
0.0
1600 1700 1800 1900 2000
Frequency (MHz)
Figure 13. Noise Figure vs Frequency and Temperature
85°C
25°C
-40°C
2100 2200
36
85°C
34 25°C
-40°C
32
024
6 8 10 12 14 16
Pout (dBm)
Figure 14. OIP3 vs Output Power and Temperature
140
120
100
80
60
40 85°C
20
25°C
-40°C
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Voltage (V)
Figure 15. Current vs Voltage and Temperature
5
5 Page 
Part Number Ordering Information
Part Number
No. of Devices
MGA-31289-BLKG
100
MGA-31289-TR1G
3000
Container
7” Tape/Reel
13” Tape/Reel
SOT89 Package Dimensions
D D POLISH
D1 D1
E1
E
OR
L
e
S e1
e
S e1
E1
E
L
C
D2 1.625
D1
HALF ETCHING
MATTE FINISH
DEPTH 0.100
OR
E
A
b b1 b
POLISH
b1
Dimensions in mm
Dimensions in inches
Symbols Minimum Nominal Maximum Minimum Nominal Maximum
A
1.40
1.50
1.60
0.055
0.059
0.063
L
0.89
1.04
1.20
0.0350
0.041
0.047
b
0.36
0.42
0.48
0.014
0.016
0.018
b1
0.41
0.47
0.53
0.016
0.018
0.030
C
0.38
0.40
0.43
0.014
0.015
0.017
D
4.40
4.50
4.60
0.173
0.177
0.181
D1
1.40
1.60
1.75
0.055
0.062
0.069
D2
1.45
1.65
1.80
0.055
0.062
0.069
E 3.94 - 4.25 0.155 - 0.167
E1
2.40
2.50
2.60
0.094
0.098
0.102
e1
2.90
3.00
3.10
0.114
0.118
0.122
S
0.65
0.75
0.85
0.026
0.030
0.034
e
1.40
1.50
1.60
0.054
0.059
0.063
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet MGA-31289.PDF ] | |
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