ETC AC238

PRELIMINARY
5 TO 200 MHz
TO-8 CASCADABLE AMPLIFIER
AC238
AC238
Typical Values
High Gain . . . . . . . . . . . . . . . .
Low Noise . . . . . . . . . . . . . . .
Medium Output Level . . . . . .
High Reverse Isolation . . . . .
High Efficiency
High Performance Thin Film
Standard Size TO-8 Package
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AC238
32.0 dB
2.6 dB
+15.5 dBm
+38 dB
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.)
5-300 MHz
0.018 ± 0.002
DIA. PIN
(0.46 ± 0.05)
(4) PLCS
Guaranteed*
0 to 50° C
-55 to +85° C
5-200 MHz
5-200 MHz
Small Signal Gain (Min.)
32.0 dB
31.0 dB
30.0 dB
Gain Flatness (Max.)
±0.2 dB
±0.4 dB
±0.7 dB
Noise Figure (Max.)
2.6 dB
3.0 dB
3.5 dB
1.1:1
1.3:1
1.4:1
+15.5 dBm
+14.5 dBm
+14.0 dBm
Reverse Isolation
38 dB
—
—
DC Current (Max.)
64 mA
67 mA
69 mA
0.504 (12.80)
DIA.
GROUND
50 OHM OUTPUT
50 OHM INPUT
0.033 (0.84)
Power Output (Min.)
@ 1dB comp.
0.300
(7.62)
DIA. B.C.
AS238
SMTO-8 Package for Amplifiers
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.
AC238
0
+54.5 dBm
+48.5 dBm
+30.0 dBm
50 Ω INPUT
Typical @ 25° C
Second Order Harmonic Intercept Point. . . . . . . . . . . . . .
Second Order Two Tone Intercept Point . . . . . . . . . . . . . .
Third Order Two Tone Intercept Point . . . . . . . . . . . . . . . .
0
INTERMODULATION PERFORMANCE
0.450
(11.43)
Input/Output
45° ± 3°
+DC VOLTAGE
0.225
(5.72)
SWR (Max.)
0.031 (0.79)
DETAIL A
(NO SCALE)
DC BIAS
0.016 ± 0.002
0.010 ± 0.002
0.016 ± 0.002
(0.41 ± 0.05)
(4) PLCS
0.250
(6.35)
0.008
0.012
50 Ω OUTPUT
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) . . . .
1
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-62 to 125° C
+125° C
+10 Volts
+10 dBm
50 Milliwatts
0.5 Watt
+125°C
—° C/Watt
—° C
0.040 ± 0.012
(1.02 ± 0.30)
(4) PLCS
0.375
(9.53)
SEE
DETAIL "A"
0.225
(5.72)
ABSOLUTE MAXIMUM RATINGS
0
GND
.0.075
(1.91)
0.450
(11.43)
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.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
1
408-522-3838 • Fax: 408-522-3839 • Check for updates: www.cougarcorp.com
2003