rev. 10/00
AC251
Typical Values
10 TO 200 MHz
TO-8 CASCADABLE AMPLIFIER
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
AC251
TO-8 Package for Amplifiers
0.450 (11.43)
DIA.
0.208 (5.28)
MAX.
0.025
(0.64)
INTERMODULATION PERFORMANCE
0
0.450
(11.43)
0.225
(5.72)
0
.0.075
(1.91)
0.225
(5.72)
ABSOLUTE MAXIMUM RATINGS
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 碌sec Max.) . . . . . . . . . . .
Burn-in Temperature
. . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance
1
(胃jc) . . . . . . . . . . . . . . . . . . .
Junction Temperature Rise Above Case
(Tjc) . . . .
1
SEE
DETAIL "A"
0
0.075
(1.91)
0.200
(5.08)
0.350
(8.89)
0.450
(11.43)
0.375
(9.53)
0
100-400 MHz
SPECIFICATIONS
Parameter
Frequency (Min.)
Small Signal Gain (Min.)
Gain Flatness (Max.)
Noise Figure (Max.)
SWR (Max.)
Input/Output
0.185
鹵
0.015
(4.70
鹵
0.38)
0.018
鹵
0.002
DIA. PIN
(0.46
鹵
0.05)
(4) PLCS
0.504 (12.80)
DIA.
50 OHM INPUT
GROUND
50 OHM OUTPUT
Typical
10-250 MHz
8.0 dB
鹵0.2 dB
1.2 dB
<1.4:1
Guaranteed*
0 to 50擄 C
-55 to +85擄 C
10-200 MHz
7.5 dB
鹵0.3 dB
1.7 dB
1.5:1
10-200 MHz
7.0 dB
0.033 (0.84)
鹵0.4 dB
2.2 dB
1.7:1
+DC VOLTAGE
0.300
(7.62)
DIA. B.C.
0.031 (0.79)
45擄
鹵
3擄
Power Output (Min.)
@ 1 dB comp.
DC Current (Max.)
+13.2 dBm
11.0 mA
+12.0 dBm
14.0 mA
+11.5 dBm
17.0 mA
DIMENSIONS ARE IN INCHES (MILLIMETERS)
AS251
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.
SMTO-8 Package for Amplifiers
DETAIL A
(NO SCALE)
DC BIAS
0.016
鹵
0.002
0.010
鹵
0.002
Typical @ 25擄 C
+5 volts
54 dBm
49 dBm
30 dBm
+8 volts
58 dBm
52 dBm
33 dBm
50
鈩?/div>
INPUT
0.250
(6.35)
0.450
(11.43)
GND
Second Order Harmonic Intercept Point
. . . . .
Second Order Two Tone Intercept Point
. . . . .
Third Order Two Tone Intercept Point
. . . . . . .
0.016
鹵
0.002
(0.41
鹵
0.05)
(4) PLCS
50
鈩?/div>
OUTPUT
0.008
0.012
0.040
鹵
0.012
(1.02
鹵
0.30)
(4) PLCS
0.050
(1.27)
(4) PLCS
0.100
(2.54)
(4) PLCS
0.170
(4.32)
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-62 to 125擄 C
+125擄 C
+13 Volts
+13 dBm
50 Milliwatts
0.5 Watt
+125擄 C
+69擄 C/Watt
+4.8擄 C
0.031
(0.79)
0.031
(0.79)
0.010 (TYP.)
(0.25)
45擄
0.008
鹵
0.001
(0.20
鹵
0.03)
Thermal resistance is based on total power dissipation.
48
408-522-3838 鈥?Fax 408-522-3839 鈥?www.cougarcorp.com
2001
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