TELEDYNE AC251

rev. 4/06
AC251
10 TO 200 MHz
TO-8 CASCADABLE AMPLIFIER
AC251
Typical Values
AC251
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 dB
Medium Output Power . . . . . . . . . . . . . . . . . . . . . . . .
+13.2 dBm
High Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 mA Current Drain
High Performance Thin Film
Standard Size TO-8 Package
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
Frequency (Min.)
0.018 ± 0.002
DIA. PIN
(0.46 ± 0.05)
(4) PLCS
Guaranteed
0 to 50° C
-55 to +85° C
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.)
20-200 MHz
10-200 MHz
±0.2 dB
±0.2 dB
±0.3 dB
±0.6 dB
±0.4 dB
±0.7 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
0.504 (12.80)
DIA.
GROUND
50 OHM INPUT
50 OHM OUTPUT
0.033 (0.84)
0.031 (0.79)
Input/Output
Power Output (Min.)
@ 1 dB comp.
DC Current (Max.)
45° ± 3°
+DC VOLTAGE
0.300
(7.62)
DIA. B.C.
AS251
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.
^ 0.5 dB lower below 20 MHz. † 0.3 higher below 20 MHz.
0
0.225
(5.72)
INTERMODULATION PERFORMANCE
Typical @ 25° C
Second Order Harmonic Intercept Point . . . . .
Second Order Two Tone Intercept Point. . . . . .
Third Order Two Tone Intercept Point. . . . . . . .
+5 volts
+8 volts
+54 dBm
+49 dBm
+30 dBm
+58 dBm
+52 dBm
+33 dBm
0.450
(11.43)
SMTO-8 Package for Amplifiers
DETAIL A
(NO SCALE)
DC BIAS
0.016 ± 0.002
0.010 ± 0.002
0
0.016 ± 0.002
(0.41 ± 0.05)
(4) PLCS
50 Ω INPUT
0.250
(6.35)
0.008
0.012
50 Ω OUTPUT
0.450
(11.43)
0.040 ± 0.012
(1.02 ± 0.30)
(4) PLCS
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to +125° C
+125° C
Maximum Case Temperature . . . . . . . . . . . . . . . . . . . . . . . .
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+9 Volts
+13 dBm
Maximum Continuous RF Input Power . . . . . . . . . . . . . . . .
Maximum Short Term Input Power (1 Minute Max.) . . . . . . 200 Milliwatts
Maximum Peak Power (3 µsec Max.) . . . . . . . . . . . . . . . . . .
0.5 Watt
Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+125° C
+69° C/Watt
Thermal Resistance1 (θjc) . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature Rise Above Case (Tjc) . . . . . . . . . .
+4.8° C
1
0.375
(9.53)
0.225
(5.72)
SEE
DETAIL "A"
.0.075
(1.91)
ABSOLUTE MAXIMUM RATINGS
0
GND
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°
Thermal resistance is based on total power dissipation.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
408-522-3838 • Fax:408-522-3839 • Check for updates:www.teledyne-cougar.com
0.008 ± 0.001
(0.20 ± 0.03)
A
AC251
TYPICAL AUTOMATIC
TEST DATA
TYPICAL PERFORMANCE
Model: AC251
FREQ
MHZ
5
10
20
50
100
200
300
KEY: +25 °C
+85 °C
-55 °C
Gain vs Temperature Vcc = 5
GAIN - dB
9.0
8.0
7.0
6.0
5.0
NOISE FIGURE - dB
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
Noise Figure
3.0
2.0
+8 V
1.0
+5 V
0.0
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
Power Output at 1 dB Compression
OUTPUT POWER - dBm
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
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
Amplifier Phase Noise
-110
2nd HAR
60
Po =19.5 dBm / Freq.=200 MHz
-120
PHASE NOISE dBc/Hz
INTERCEPT POINT - dBm
70
50
IP 2
40
IP 3
30
20
10
-130
-140
AC251
-150
Noise Floor
-160
-170
5
10
30
50
100
150
200
FREQUENCY - MHz
250
300
350
10
100
1000
10000
100000
OFFSET FREQUENCY - Hz
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1000000