AC251 Datasheet, PDF (2/2 Pages) Teledyne Technologies Incorporated – 10 TO 200 MHz TO-8 CASCADABLE AMPLIFIER

A
TYPICAL PERFORMANCE
KEY: +25 °C
+85 °C
Gain vs Temperature Vcc = 5
-55 °C
9.0
8.0
7.0
6.0
5.0
5 10 30 50 100
150
200
250
FREQUENCY - MHz
300
350
Noise Figure
3.0
2.0
1.0
0.0
5 10 30 50 100
+8 V
+5 V
150
200
250
FREQUENCY - MHz
300
350
Power Output at 1 dB Compression
20.0
18.0
16.0
+8 V
14.0
+5 V
12.0
10.0
5 10 30 50 100
150
200
250
FREQUENCY - MHz
300
350
Intercept Point Vcc = 8
70
60
2nd HAR
50
IP2
40
30
IP3
20
10
5 10 30 50 100
150
200
250
FREQUENCY - MHz
300
350
Intercept Point Vcc = 5
70
60
2nd HAR
50
IP2
40
IP3
30
20
10
5 10 30 50 100
150
200
250
FREQUENCY - MHz
300
350
AC251
TYPICAL AUTOMATIC
TEST DATA
Model: AC251
FREQ SWR SWR
MHZ
IN
OUT
5
1.12
1.13
10
1.09
1.10
20
1.08
1.09
50
1.07
1.09
100
1.06
1.12
200
1.03
1.17
300
1.29
1.29
Vcc=+5V
GAIN
PHASE
DB
DEG
7.97
10
8.13
3
8.19
-2
8.20
-13
8.14
-27
8.17
-56
8.22
-88
GROUP DELAY
NSEC
1.6
0.97
0.81
0.8
0.88
Icc=10.76
REV/ISO
DB
-11.0
-10.9
-10.8
-10.8
-11.0
-11.4
-12.0
Model: AC251
FREQ.
MHz
5
10
20
50
100
200
300
S11
MAG ANG
0.06 152.4
0.04 152.1
0.04 148.2
0.03 133.8
0.03 109.4
0.02 156.5
0.13 179.8
LINEAR S-PARAMETERS
Vcc=+5V
S21
S12
MAG ANG MAG ANG
2.50 10.1 0.281 10.4
2.55 3.2
0.287 3.3
2.57 -2.5
0.288 -2.4
2.57 -13.0 0.287 -12.4
2.55 -27.5 0.282 -26.6
2.56 -56.2 0.270 -54.6
2.58 -87.9 0.250 -85.3
Icc=10.76
S22
MAG ANG
0.06 165.4
0.05 156.1
0.04 146.9
0.04 127.5
0.06 108.2
0.08 101.8
0.13 136.5
Model: AC251
FREQ SWR SWR
MHZ
IN
OUT
5
1.34
1.34
10
1.22
1.23
20
1.17
1.18
50
1.13
1.16
100
1.11
1.18
200
1.07
1.23
300
1.30
1.29
Vcc=+8V
GAIN
PHASE
DB
DEG
7.74
16
7.98
6
8.11
-1
8.16
-12
8.14
-26
8.16
-55
8.23
-86
GROUP DELAY
NSEC
1.9
1.0
0.81
0.79
0.86
Icc=19.78
REV/ISO
DB
-11.2
-11.0
-10.9
-10.9
-11.0
-11.4
-12.1
Model: AC251
FREQ.
MHz
5
10
20
50
100
200
300
S11
MAG ANG
0.14 137.4
0.10 141.3
0.08 143.2
0.06 137.8
0.05 122.3
0.04 135.5
0.13 171.7
LINEAR S-PARAMETERS
Vcc=+8V
S21
S12
MAG ANG MAG ANG
2.44 15.5 0.275 15.9
2.51 6.2
0.282 6.4
2.54 -0.6
0.285 -0.5
2.56 -11.8 0.286 -11.5
2.55 -26.4 0.281 -26.1
2.56 -55.0 0.269 -54.2
2.58 -86.1 0.250 -84.9
Icc=19.78
S22
MAG ANG
0.15 145.8
0.10 143.2
0.08 141.0
0.07 128.6
0.08 110.8
0.10 97.0
0.13 123.9
Amplifier Phase Noise
-110
Po=19.5 dBm / Freq.=200 MHz
-120
-130
-140
AC251
-150
-160 Noise Floor
-170
10
100
1000
10000
100000
OFFSET FREQUENCY - Hz
1000000
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