138
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2005/2006
2/99
0
50
Ω 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)
50
Ω 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)
DIMENSIONS ARE IN INCHES (MILLIMETERS)
SMTO-8 Package for Amplifiers
* Measured in a 50-ohm system at +15 Vdc unless otherwise specified.
AS548
SPECIFICATIONS*
Typical Values
AC548
High Third Order I.P. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+35 dBm
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
< 3.7 dB
Medium Output Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+19.0 dBm
High Performance Thin Film
Standard Size TO-8
Small Signal Gain (Min.)
12.5 dB
11.5 dB
11.0 dB
Gain Flatness (Max.)
±0.2 dB
±0.4 dB
±0.6 dB
Noise Figure (Max.)
< 3.7 dB
4.5 dB
5.0 dB
SWR (Max.)
Input
< 1.5:1
1.9:1
2.0:1
Output
< 1.3:1
1.4:1
1.5:1
Power Output (Min.)
@ 1dB comp.
+19.0 dBm
+17.8 dBm
+17.0 dBm
DC Current (Max.)
58 mA
61 mA
64 mA
Guaranteed
Parameter
Typical
0 to 50° C
-55 to +85° C
Frequency (Min.)
5-600 MHz
5-500 MHz
5-500 MHz
Typical @ 25° C; 200 MHz
AC548
Second Order Harmonic Intercept Point . . . . . . . . .
+54 dBm
Second Order Two Tone Intercept Point . . . . . . . . .
+48 dBm
Third Order Two Tone Intercept Point . . . . . . . . . . .
+35 dBm
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-62 to 125° C
Maximum Case Temperature . . . . . . . . . . . . . . . . . . . . . .
+125° C
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+17 Volts
Maximum Continuous RF Input Power . . . . . . . . . . . . . .
+13 dBm
Maximum Short Term Input Power (1 Minute Max.) . . . .
50 Milliwatts
Maximum Peak Power (3 µsec Max.) . . . . . . . . . . . . . . . .
0.5 Watt
Burn-in Temperature
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
+105° C
Thermal Resistance1 (
θjc) . . . . . . . . . . . . . . . . . . . . . . . .
+34.2° C/Watt
Junction Temperature Rise Above Case (Tjc) . . . . . . . .
+31.3° C
1 Thermal resistance is based on total power dissipation.
INTERMODULATION PERFORMANCE
ABSOLUTE MAXIMUM RATINGS
AC548
AC548
5 TO 500 MHz
TO-8 CASCADABLE AMPLIFIER
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
If DC is present on RF input/output, this model
requires additional external blocking capacitors.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
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