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DIMENSIONS ARE IN INCHES (MILLIMETERS)
SPECIFICATIONS*
INTERMODULATION PERFORMANCE
ABSOLUTE MAXIMUM RATINGS
2/10
50 OHM INPUT
+DC VOLTAGE
0.031 (0.79)
50 OHM OUTPUT
GROUND
45°± 3°
0.033 (0.84)
0.018±0.002
(0.46±0.05)
(4) PLCS
0.300
(7.62)
DIA. B.C.
0.504 (12.80)
DIA.
0.025
(0.64)
0.450 (11.43)
DIA.
0.208 (5.28)
MAX.
0.185±0.015
(4.70±0.38)
DIA. PIN
TO-8 Package for Amplifiers
SMTO-8 Package for Amplifiers
0
50 INPUT
0.250
(6.35)
0.450
(11.43)
0
0.075
(1.91)
0.350
(8.89)
0.200
(5.08)
0.450
(11.43)
0
0.225
(5.72)
0.450
(11.43)
0
.0.075
(1.91)
0.225
(5.72)
0.375
(9.53)
50 OUTPUT
0.040 0.012
(1.02 0.30)
(4) PLCS
DC BIAS
0.016 0.002
(0.41 0.05)
(4) PLCS
GND
0.050
(1.27)
(4) PLCS
0.100
(2.54)
(4) PLCS
0.010
(0.25)
0.008 0.001
(0.20 0.03)
0.170
(4.32)
(TYP.)
0.031
(0.79)
0.031
(0.79)
45
0.016 0.002
0.010 0.002
0.008
0.012
SEE
DETAIL "A"
DETAIL A
(NO SCALE)
AC538
5 TO 500 MHz
TO-8 CASCADABLE AMPLIFIER
AC538
Typical Values
AC538
High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+27.5 dB
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8 dB
High Second Harmonic Intercept Point. . . . . . . . . . . . . . . .
+56 dBm
High Performance Thin Film
Standard Size TO-8 Package
Small Signal Gain (Min.)
27.5 dB
27.0 dB
26.5 dB
Gain Flatness (Max.)
±0.3 dB
±0.5 dB
±0.8 dB
Noise Figure (Max.)
2.8 dB
3.5 dB
4.0 dB
SWR (Max.)
Input/Output
< 1.5:1
1.7:1
1.8:1
Power Output (Min.)
@ 1dB comp.
+12.5 dBm
+11.5 dBm
+11.0 dBm
DC Current (Max.)
47 mA
50 mA
53 mA
Guaranteed
Parameter
Typical
0 to 50° C
-55 to +85° C
Frequency (Min.)
3-600 MHz
5-500 MHz
Typical @ 25° C
AC538
Second Order Harmonic Intercept Point . . . . . . . . . . . . . . .
+56 dBm
Second Order Two Tone Intercept Point . . . . . . . . . . . . . . .
+50 dBm
Third Order Two Tone Intercept Point . . . . . . . . . . . . . . . . .
+27 dBm
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to +125° C
Maximum Case Temperature . . . . . . . . . . . . . . . . . . . . . . . .
+125° C
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+9 Volts
Maximum Continuous RF Input Power . . . . . . . . . . . . . . . .
+10 dBm
Maximum Short Term Input Power (1 Minute Max.) . . . . . . .
50 Milliwatts
Maximum Peak Power (3 sec Max.) . . . . . . . . . . . . . . . . . .
0.5 Watt
Burn-in Temperature
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+125° C
Thermal Resistance1 (
θjc) . . . . . . . . . . . . . . . . . . . . . . . . . . .
+65 C/Watt
Junction Temperature Rise Above Case (Tjc) . . . . . . . . . . .
+19° C
1 Thermal resistance is based on total power dissipation.
AS538
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.