ETC AS251

rev. 10/00
AC251
10 TO 200 MHz
TO-8 CASCADABLE AMPLIFIER
AC251
Typical Values
TO-8 Package for Amplifiers
0.450 (11.43)
DIA.
0.025
(0.64)
0.208 (5.28)
MAX.
0.185 ± 0.015
(4.70 ± 0.38)
SPECIFICATIONS
Parameter
Typical
0.018 ± 0.002
DIA. PIN
(0.46 ± 0.05)
(4) PLCS
Guaranteed*
0 to 50° C
-55 to +85° C
0.504 (12.80)
DIA.
GROUND
50 OHM INPUT
Frequency (Min.)
10-250 MHz
10-200 MHz
10-200 MHz
Small Signal Gain (Min.)
8.0 dB
7.5 dB
7.0 dB
Gain Flatness (Max.)
±0.2 dB
±0.3 dB
±0.4 dB
Noise Figure (Max.)
1.2 dB
1.7 dB
2.2 dB
SWR (Max.)
<1.4:1
1.5:1
1.7:1
+13.2 dBm
+12.0 dBm
+11.5 dBm
11.0 mA
14.0 mA
17.0 mA
50 OHM OUTPUT
0.033 (0.84)
0.031 (0.79)
45° ± 3°
Input/Output
Power Output (Min.)
@ 1 dB comp.
DC Current (Max.)
+DC VOLTAGE
0.300
(7.62)
DIA. B.C.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
AS251
0.450
(11.43)
0
INTERMODULATION PERFORMANCE
0.225
(5.72)
SMTO-8 Package for Amplifiers
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.
DETAIL A
(NO SCALE)
DC BIAS
0.016 ± 0.002
0.010 ± 0.002
0
54 dBm
49 dBm
30 dBm
58 dBm
52 dBm
33 dBm
Second Order Harmonic Intercept Point . . . . .
Second Order Two Tone Intercept Point . . . . .
Third Order Two Tone Intercept Point . . . . . . .
0.016 ± 0.002
(0.41 ± 0.05)
(4) PLCS
50 Ω INPUT
0.250
(6.35)
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .
Maximum Case Temperature . . . . . . . . . . . . . . . . .
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . .
Maximum Continuous RF Input Power . . . . . . . . .
Maximum Short Term Input Power (1 Minute Max.)
Maximum Peak Power (3 µsec Max.) . . . . . . . . . . .
Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance1 (θjc) . . . . . . . . . . . . . . . . . . .
Junction Temperature Rise Above Case (Tjc) . . . .
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-62 to 125° C
+125° C
+13 Volts
+13 dBm
50 Milliwatts
0.5 Watt
+125° C
+69° C/Watt
+4.8° C
0.012
50 Ω OUTPUT
GND
ABSOLUTE MAXIMUM RATINGS
0.008
0.450
(11.43)
SEE
DETAIL "A"
0.040 ± 0.012
(1.02 ± 0.30)
(4) PLCS
0.375
(9.53)
+8 volts
0.225
(5.72)
+5 volts
.0.075
(1.91)
Typical @ 25° C
0
100-400 MHz
AC251
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 dB
Medium Output Power . . . . . . . . . . . . . . . . . . . . . .
+13.2 dBm
High Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 mA Current Drain
High Performance Thin Film
TO-8 Package
0.170
(4.32)
0.050
(1.27)
(4) PLCS
0
0.075
(1.91)
0.200
(5.08)
0.350
(8.89)
0.450
(11.43)
0.100
(2.54)
(4) PLCS
0.031
(0.79)
0.031
(0.79)
0.010 (TYP.)
(0.25)
45°
0.008 ± 0.001
(0.20 ± 0.03)
Thermal resistance is based on total power dissipation.
48
408-522-3838 • Fax 408-522-3839 • www.cougarcorp.com
2001
AC251
KEY: +25 °C
+85 °C
-55 °C
Gain vs Temperature Vcc = 5
Model:AC251
FREQ
MHZ
5
10
20
50
100
200
300
9.0
GAIN - dB
8.0
7.0
6.0
5.0
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
NOISE FIGURE - dB
Noise Figure
3.0
2.0
+8 V
1.0
0.0
+5 V
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
OUTPUT POWER - dBm
Power Output at 1 dB Compression
20.0
18.0
+8 V
16.0
+5 V
14.0
12.0
10.0
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
300
350
300
350
Intercept Point Vcc = 8
INTERCEPT POINT - dBm
70
60
Model:AC251
FREQ.
MHz
5
10
20
50
100
200
300
Model:AC251
FREQ
MHZ
5
10
20
50
100
200
300
Model:AC251
FREQ.
MHz
5
10
20
50
100
200
300
SWR
IN
1.12
1.09
1.08
1.07
1.06
1.03
1.29
SWR
OUT
1.13
1.10
1.09
1.09
1.12
1.17
1.29
S11
MAG
0.06
0.04
0.04
0.03
0.03
0.02
0.13
ANG
152.4
152.1
148.2
133.8
109.4
156.5
179.8
SWR
IN
1.34
1.22
1.17
1.13
1.11
1.07
1.30
SWR
OUT
1.34
1.23
1.18
1.16
1.18
1.23
1.29
S11
MAG
0.14
0.10
0.08
0.06
0.05
0.04
0.13
ANG
137.4
141.3
143.2
137.8
122.3
135.5
171.7
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
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
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
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
GROUP DELAY
NSEC
1.9
1.0
0.81
0.79
0.86
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=10.76
REV/ISO
DB
-11.0
-10.9
-10.8
-10.8
-11.0
-11.4
-12.0
Icc=19.78
REV/ISO
DB
-11.2
-11.0
-10.9
-10.9
-11.0
-11.4
-12.1
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
2nd HAR
50
IP 2
40
IP 3
30
20
10
5
10
30
50
100
150
200
FREQUENCY - MHz
250
Intercept Point Vcc = 5
INTERCEPT POINT - dBm
70
50
IP 2
40
IP 3
30
20
10
2001
2nd HAR
60
5
10
30
50
100
150
200
FREQUENCY - MHz
250
408-522-3838 • Fax 408-522-3839 • www.cougarcorp.com
49
100-400 MHz
TYPICAL AUTOMATIC
TEST DATA
TYPICAL PERFORMANCE