mga-725m4 Avago Technologies, mga-725m4 Datasheet - Page 3

• Manufacturer Part Number: mga-725m4
• Description: Low Noise Amplifer With Bypass Switch In Miniature Leadless Package
• Manufacturer: Avago Technologies

Figure 1. MGA-725M4 Production Test Circuit.
MGA-725M4 Typical Performance
Frequency = 2.0 GHz, T
2 test system (input and output presented to 50Ω).
3
1000 pF
Input
100 pF
RF
Figure 3. Noise Figure vs. Frequency and Voltage.
Figure 6. Noise Figure vs. Frequency and
Temperature.
Figure 9. LNA on (Switch off) VSWR vs. Frequency.
3.0
2.5
2.0
1.5
1.0
0.5
0
4
3
2
1
0
8
6
4
2
0
47 pF
0
0
0
1
1
1
27 nH
1.2 nH
2
2
2
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
3
3
3
V
gs
c
= 25°C, Z
4
4
4
Input
Output
2.7V
3.0V
3.3V
5
+25 C
+85 C
5
5
-40 C
2.7 nH
1000 pF
o
100 pF
= 50Ω, V
6
6
6
27 nH
Figure 4. Gain vs. Frequency and Voltage.
Figure 7. Gain vs. Frequency and Temperature.
Figure 10. LNA off (Switch on) VSWR vs. Frequency.
47 pF
d
18
16
14
12
10
18
16
14
12
10
14
12
10
= 3V, I
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
0
0
0
Output
V
RF
ds
1
1
1
d
= 20 mA unless stated otherwise. All data as measured in Figure
2
2
2
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
3
3
3
Figure 2. MGA-725M4 50Ω Test Circuit for S, Noise, and Power Parameters.
Input
V
RF
gs
4
4
4
Bias Tee
Input
Output
+25 C
+85 C
-40 C
2.7 V
3.0 V
3.3 V
5
5
5
6
6
6
ICM Fixture
Figure 5. Input Third Order Intercept Point vs.
Frequency and Voltage.
Figure 8. Input Third Order Intercept Point vs.
Frequency and Temperature.
Figure 11. Insertion Loss (Switch on) vs. Frequency
and Temperature.
14
12
10
18
16
14
12
10
-1
-2
-3
-4
-5
8
6
4
2
0
8
6
4
2
0
0
0
0
0
1
1
1
2
2
2
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
Bias
Tee
3
3
3
Output
V
RF
d
4
4
4
+25 C
+85 C
+25 C
+85 C
5
5
5
2.7 V
3.0 V
3.3 V
-40 C
-40 C
6
6
6