1. Measurements obtained from a fixed narrow band tuning described in Figure 1. This circuit designed to optimize Noise Figure and IIP3 while maintain-
ing VSWR better than 2:1.
2. Minimum Noise Figure and Associated Gain at F
min
computed from S-parameter and Noise Parameter data measured in an automated NF system.
3. Standard deviation data are based on at least 400 part sample size and 11 wafer lots.
V
d
RF
Input
Input
Match
Figure 1. Block Diagram of Test Fixture.
See Figure 7 in the Applications section for an equivalent schematic of 1.9 GHz circuit; Figure 11 in the Applications section for 900 MHz circuit.
42
Output Match
and DC Bias
RF
Output
2
MGA-52543 Typical Performance
All data are measured at T
c
= 25°C, V
d
= 5V, and in the following test system unless stated otherwise.
ICM Fixture
RF
Input
Tuner
V
d
Bias
Tee
Tuner
RF
Output
Figure 2. Test Circuit for S, Noise, and Power Parameters over Frequency.
42
2.7
2.4
2.1
F
min
(dB)
F
min
(dB)
2.7
2.4
2.1
1.8
1.5
4.5 V
5.0 V
5.5 V
-40°C
+25°C
+85°C
20
17
1.8
1.5
1.2
0.9
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
G
a
(dB)
14
11
1.2
0.9
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
8
4.5 V
5.0 V
5.5 V
5
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
Figure 3. Minimum Noise Figure vs.
Frequency and Voltage
[1]
.
20
Figure 4. Minimum Noise Figure vs.
Frequency and Temperature
[1]
.
40
Figure 5. Associated Gain vs. Frequency
and Voltage
[1]
.
40
17
OIP3 (dBm)
35
OIP3 (dBm)
4.5 V
5.0 V
5.5 V
35
G
a
(dB)
14
30
30
11
-40°C
+25°C
+85°C
25
25
-40°C
+25°C
+85°C
8
5
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
20
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
20
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
Figure 6. Associated Gain vs. Frequency
and Temperature
[1]
.
Figure 7. Output Third Order Intercept Point
vs. Frequency and Voltage
[2]
.
Figure 8. Output Third Order Intercept Point
vs. Frequency and Temperature
[2]
.
Notes:
1. Minimum Noise Figure and Associated Gain at F
min
computed from S-parameter and Noise Parameter data measured in an automated NF system.
2. Tuners on input and output were set for narrow band tuning designed to optimize NF and OIP3 while keeping VSWRs better than 2:1. See Figure 9 for
corresponding return losses at each frequency band.
3
MGA-52543 Typical Performance,
continued
All data are measured at T
c
= 25°C, V
d
= 5V, and in the following test system unless stated otherwise.
35
30
RETURN LOSS (dB)
RL
in
RL
out
3.2
3.2
2.8
2.8
25
NF (dB)
20
15
10
5
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
2.0
NF (dB)
4.5 V
5.0 V
5.5 V
2.4
2.4
2.0
1.6
1.6
-40°C
+25°C
+85°C
1.2
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
1.2
0
1
2
3
4
5
FREQUENCY (GHz)
6
7
Figure 9. Return Losses at each Narrow
Band Tuning.
25
Figure 10. Noise Figure vs. Frequency and
Voltage.
20
Figure 11. Noise Figure vs. Frequency and
Temperature.
20
22
P
1 dB
(dBm)
GAIN (dB)
17
GAIN (dB)
4.5 V
5.0 V
5.5 V
17
19
14
14
16
11
11
13
4.5 V
5.0 V
5.5 V
8
8
-40°C
+25°C
+85°C
10
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
5
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
5
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
Figure 12. Output Power at 1 dB Compression
vs. Frequency and Voltage.
25
Figure 13. Gain vs. Frequency and
Temperature.
21
Figure 14. Gain vs. Frequency and
Temperature.
21
22
P
1dB
(dBm)
IIP3 (dBm)
19
IIP3 (dBm)
4.5 V
5.0 V
5.5 V
19
19
17
17
16
15
13
-40°C
+25°C
+85°C
15
-40°C
+25°C
+85°C
10
0
1
2
3
4
5
FREQUENCY (GHz)
13
7
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
13
0
1
2
3
4
5
6
7
FREQUENCY (GHz)
6
Figure 15. Output Power at 1dB Compression
vs. Frequency and Temperature.
Figure 16. Input Third Order Intercept Point
vs. Frequency and Voltage.
Figure 17. Input Third Order Intercept Point
vs. Frequency and Temperature.
Note:
All data reported from Figures 7 through 17 using test setup described in Figure 2. Tuners on input and output were set for narrow band tuning designed to
optimize NF and OIP3 while keeping VSWRs better than 2:1. See Figure 9 for corresponding return losses at each frequency band.
4
MGA-52543 Typical Performance,
continued
ICM Fixture
RF
Input
V
d
Bias
Tee
RF
Output
Figure 18. Test Circuit for Figures 19 through 24 (Input and Output presented to 50Ω).
