2/99
10 TO 800 MHz
TO-8 CASCADABLE AMPLIFIER
AC838
Typical Values
AC838
AC838
Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Gain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Medium Power Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Performance Thin Film
3.0 dB
+30.0 dB
+16.0 dBm
TO-8 Package for Amplifiers
Available in SMA Connectorized Package
0.450 (11.43)
DIA.
0.025
(0.64)
0.208 (5.28)
MAX.
0.185 0.015
(4.70 0.38)
SPECIFICATIONS*
0.018 0.002
(0.46 0.05)
(4) PLCS
DIA. PIN
Guaranteed
0.504 (12.80)
DIA.
GROUND
Parameter
Typical
10-900 MHz
30.0^ dB
0 to 50° C
10-800 MHz
29.0^ dB
-55 to +85° C
10-800 MHz
28.0^ dB
50 OHM INPUT
50 OHM OUTPUT
Frequency (Min.)
Small Signal Gain (Min.)
0.033 (0.84)
0.031 (0.79)
Gain Flatness (Max.)
Noise Figure (Max.)
0.5 dB
3.0 dB
<1.4:1
0.ꢀ dB
3.5 dB
1.ꢀ:1
0.9 dB
4.0 dB
1.9:1
45° 3°
+DC VOLTAGE
0.300
(7.62)
DIA. B.C.
SWR (Max.)
Input/Output
Power Output (Min.)
@ 1 dB comp.
+16.0 dBm
ꢀ3.0 mA
+15.0 dBm
ꢀ8.0 mA
+14.5 dBm
83.0 mA
DC Current (Max.)
AS838
* Measured in a 50-ohm system at +5 Vdc unless otherwise specified.
^ 0.5 dB lower above 600 MHz.
SMTO-8 Package for Amplifiers
DETAIL A
(NO SCALE)
INTERMODULATION PERFORMANCE
0.016 0.002
0.010 0.002
DC BIAS
Typical @ 25° C
+5 volts
0
Second Order Harmonic Intercept Point . . . . . . . . . . . . . . . .
Second Order Two Tone Intercept Point. . . . . . . . . . . . . . . . .
Third Order Two Tone Intercept Point. . . . . . . . . . . . . . . . . . .
+56 dBm
+50 dBm
+30 dBm
0.016 0.002
(0.41 0.05)
(4) PLCS
50 Ω INPUT
0.008
0.012
0.250
(6.35)
50 Ω OUTPUT
0.450
(11.43)
0.040 0.012
(1.02 0.30)
(4) PLCS
GND
ABSOLUTE MAXIMUM RATINGS
SEE
DETAIL "A"
0.170
(4.32)
0.050
(1.27)
(4) PLCS
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to 125° C
0
0.100
(2.54)
(4) PLCS
0.075
(1.91)
0.200
(5.08)
0.350
(8.89)
0.450
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 Thermal resistance is based on total power dissipation.
+125° C
+ꢀ Volts
+8 dBm
50 Milliwatts
0.5 Watt
+105° C
+63° C/Watt
+24.5° C
0.031
(0.79)
0.031
(0.79)
(11.43)
0.010
(0.25)
0.008 0.001
(0.20 0.03)
(TYP.)
45°
DIMENSIONS ARE IN INCHES (MILLIMETERS)
180
408-522-3838 • Fax: 408-522-3839 • Check for updates: www.cougarcorp.com
2005/2006