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SPECIFICATIONS*
ABSOLUTE MAXIMUM RATINGS
INTERMODULATION PERFORMANCE
* Measured in a 50-ohm system at +15 Vdc unless otherwise specified.
2/99
TO-8 Package for Amplifiers
SMTO-8 Package for Amplifiers
AC545/AC547
10 TO 500 MHz
TO-8 CASCADABLE AMPLIFIERS
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
AC545
AC547
Typical Values
AC545
AC547
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . .
2.5 dB
3.3 dB
Medium Output Level. . . . . . . . . . . . . . . . . . . . .
+9.3 dBm
15.5 dBm
High Third Order I.P.. . . . . . . . . . . . . . . . . . . . . . +25.0 dBm
+30.0 dBm
High Efficiency
High Performance Thin Film
Standard Size TO-8
Small Signal Gain (Min.)
AC545
12.8 dB
12.5 dB
12.0 dB
AC547
13.0 dB
12.5 dB
12.0 dB
Gain Flatness (Max.)
< ±0.25 dB
±0.5 dB
±0.8 dB
Noise Figure (Max.)
AC545
2.5 dB
3.0 dB
3.5 dB
AC547
3.3 dB
3.8 dB
4.5 dB
SWR (Max.)
Input/Output
1.5:1
1.8:1
2.0:1
Power Output (Min.)
@ 1dB comp.
AC545
+9.3 dBm
+8.0 dBm
+7.5 dBm
AC547
+15.5 dBm
+14.5 dBm
+14.0 dBm
DC Current (Max.)
AC545
24.0 mA
27.0 mA
30.0 mA
AC547
44.0 mA
47.0 mA
50.0 mA
Guaranteed
Parameter
Typical
0 to 50° C
-55 to +85° C
Frequency (Min.)
10-600 MHz
10-500 MHz
Typical @ 25° C
AC545
AC547
Second Order Harmonic Intercept Point . . . . .
+39 dBm
+48 dBm
Second Order Two Tone Intercept Point. . . . . .
+33 dBm
+42 dBm
Third Order Two Tone Intercept Point. . . . . . . .
+25 dBm
+30 dBm
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to +125° C
Maximum Case Temperature . . . . . . . . . . . . . . . . . . . . . . . .
+125° C
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+19 Volts
Maximum Continuous RF Input Power . . . . . . . . . . . . . . . .
+13 dBm
Maximum Short Term Input Power (1 Minute Max.) . . . . . .
50 Milliwatts
Maximum Peak Power (3 sec Max.) . . . . . . . . . . . . . . . . . .
0.5 Watt
Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+105° C
Thermal Resistance1 (
θjc; AC545) . . . . . . . . . . . . . . . . . . . .
+56° C/Watt
Thermal Resistance1 (
θjc; AC547) . . . . . . . . . . . . . . . . . . . .
+38° C/Watt
Junction Temperature Rise Above Case (Tjc; AC545) . . . .
+22.5° C
Junction Temperature Rise Above Case (Tjc; AC547) . . . .
+26.5° C
1 Thermal resistance is based on total power dissipation.
AS545/AS547
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)
If DC is present on RF input/output, this model
requires additional external blocking capacitors.
DIMENSIONS ARE IN INCHES (MILLIMETERS)