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PDF MGA-68563 Data sheet ( Hoja de datos )
| Número de pieza | MGA-68563 | |
| Descripción | Low Noise Amplifier | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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MGA-68563
Current-Adjustable, Low Noise Amplifier
Data Sheet
Description
Avago Technologies MGA-68563 is an economical,
easy-to-use GaAs MMIC amplifier that offers excellent
linearity and low noise figure for applications from 0.1
to 1.5 GHz. Packaged in an miniature SOT-363 package,
it requires half the board space of a SOT-143 package.
One external resistor is used to set the bias current
from 5mA to 30mA. This allows the designer to use
the same part in several circuit positions and tailor the
linearity performance (and current consumption) to suit
each position.
The output of the amplifier is matched to 50Ω (below
2:1 VSWR) across the entire bandwidth and only
requires minimum input matching. The amplifier allows
a wide dynamic range by offering a 1.0 dB NF coupled
with a +20 dBm Output IP3. The circuit uses state-of-
the-art E-pHEMT technology with proven reliability. On-
chip bias circuitry allows operation from a single +3V
power supply, while internal feedback ensures stability
(K>1) over all frequencies for Id at 10mA and above.
Features
• Single +3V supply
• High linearity
• Low noise figure
• Miniature package
• Unconditionally stable
Specifications at 500 MHz; 3V, 10 mA (Typ.)
• 1.0 dB noise figure
• 20 dBm OIP3
• 19.7 dB gain
* This represents what Avago Technologies has
managed to achieve on a device level with trade off
between optimal NF, Gain, OIP3 and input return loss.
Applications
• LNA for DVB-T,DVB-H, T-DMB, ISDB-T, DAB and
MediaFLO
Attention:
Observe precautions for
handling electrostatic
sensitive devices.
ESD Machine Model (Class A)
ESD Human Body Model (CLass 1A)
Refer to Agilent Application Note A004R:
Electrostatic Discharge Damage and Control.
1 page  
MGA-68563 Typical Performance, Vd = 3V, Ids = 10mA at 50ohm Input and Output
22
-40°C
85°C
20 25°C
18
16
14
0
0.5 1
FREQUENCY (GHz)
1.5
Figure 10. OP1dB vs. Frequency (3V 10mA)
2
26
24 -40°C
22 85°C
25°C
20
18
16
14
12
10
8
0 0.5 1 1.5
FREQUENCY (GHz)
Figure 11. OIP3 vs. Frequency (3V 10mA)
2
22
20
18
16
14
12
10
8
6
0.0
-40°C
25°C
85°C
0.5 1.0
FREQUENCY (GHz)
1.5
2.0
3
2.5
2
1.5
1
0.5
0
0.0
-40°C
25°C
85°C
0.5 1.0 1.5
FREQUENCY (GHz)
2.0
Figure 12. Gain vs. Frequency (3V 10mA)
Figure 13. NF vs. Frequency (3V 10mA)
Notes:
1. Ids taken @ ambient temperature of 25ˆC may change with temperature variation.
2. Bias current (Ids) for the above charts are quiescent conditions. Actual level may increase or decrease depending on amount of RF drive.
5
5 Page 
MGA-68563 Typical Performance, Freq = 0.1GHz, Tc = 25°C at 50ohm Input and Output
30
25
20
15
10
5
0 20 40 60
Id (mA)
Figure 34. OP1dB vs. Id (100 MHz)
3V
5V
80
100
50
45
40
35
30
25
20
15
10
0
20 40 60
Id (mA)
Figure 35. OIP3 vs. Id (100 MHz)
3V
5V
80
100
35
30
25
20
15
10
5
0
0 20 40 60
Id (mA)
Figure 36. Gain vs. Id (500 MHz)
3V
5V
80
100
3
2.5
2
1.5
1
0.5
0
0 20 40 60
Id (mA)
Figure 37. NF vs. Id (500 MHz)
3V
5V
80
100
Notes:
1. Bias current (Ids) for the above charts are quiescent conditions. Actual level may increase or decrease depending on amount of RF drive.
11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet MGA-68563.PDF ] | |
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