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AC548
Typical Values
5 TO 500 MHz TO-8 CASCADABLE AMPLIFIER
AC548
+35 dBm < 3.7 dB +19.0 dBm
High Third Order I.P. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Medium Output Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High Performance Thin Film Standard Size TO-8
AC548
TO-8 Package for Amplifiers
0.450 (11.43) DIA. 0.208 (5.28) MAX. 0.025 (0.64)
SPECIFICATIONS*
Parameter
Frequency (Min.) Small Signal Gain (Min.) Gain Flatness (Max.) Noise Figure (Max.) SWR (Max.) Input Output
0.185 0.015 (4.70 0.38) 0.018 0.002 DIA. PIN (0.46 0.05) (4) PLCS 0.504 (12.80) DIA. 50 OHM INPUT GROUND 50 OHM OUTPUT
Typical
5-600 MHz 12.5 dB 0.2 dB < 3.7 dB < 1.5:1 < 1.3:1
Guaranteed 0 to 50 C -55 to +85 C
5-500 MHz 11.5 dB 0.4 dB 4.5 dB 1.9:1 1.4:1 5-500 MHz 11.0 dB
0.033 (0.84)
0.6 dB 5.0 dB 2.0:1 1.5:1
+DC VOLTAGE
0.031 (0.79) 45 3 0.300 (7.62) DIA. B.C.
Power Output (Min.) @ 1dB comp. DC Current (Max.)
+19.0 dBm 58 mA
+17.8 dBm 61 mA
+17.0 dBm 64 mA
AS548
* Measured in a 50-ohm system at +15 Vdc unless otherwise specified.
SMTO-8 Package for Amplifiers
0.450 (11.43) 0.225 (5.72)
INTERMODULATION PERFORMANCE
0
DETAIL A (NO SCALE) DC BIAS 0.016 0.002 0.010 0.002
Typical @ 25 C; 200 MHz
AC548
+54 dBm +48 dBm +35 dBm
0 50 INPUT 0.250 (6.35) 0.450 (11.43) .0.075 (1.91) 0.225 (5.72) 0.375 (9.53) 0.016 0.002 (0.41 0.05) (4) PLCS
Second Order Harmonic Intercept Point . . . . . . . . . Second Order Two Tone Intercept Point . . . . . . . . . Third Order Two Tone Intercept Point . . . . . . . . . . .
0.008
0.012
50 OUTPUT
ABSOLUTE MAXIMUM RATINGS
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 sec Max.) . . . . . . . . . . . . . . . . Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Resistance1 (jc) . . . . . . . . . . . . . . . . . . . . . . . . Junction Temperature Rise Above Case (Tjc) . . . . . . . .
1
GND SEE DETAIL "A" 0 0.075 (1.91) 0.200 (5.08) 0.350 (8.89) 0.450 (11.43) 0.010 (TYP.) (0.25) 0
0.040 0.012 (1.02 0.30) (4) PLCS 0.050 (1.27) (4) PLCS 0.100 (2.54) (4) PLCS 0.170 (4.32)
-62 to 125 C +125 C +17 Volts +13 dBm 50 Milliwatts 0.5 Watt +105 C +34.2 C/Watt +31.3 C
0.031 (0.79) 0.031 (0.79) 45 0.008 0.001 (0.20 0.03)
DIMENSIONS ARE IN INCHES (MILLIMETERS)
Thermal resistance is based on total power dissipation.
If DC is present on RF input/output, this model requires additional external blocking capacitors.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
138
408-522-3838 * Fax: 408-522-3839 * Check for updates: www.cougarcorp.com
2005/2006
AC548
TYPICAL PERFORMANCE
Gain vs Temperature Vcc =
14.0 GAIN - dB 13.0 12.0 11.0 10.0 5 10 30 50 100 200 300 FREQUENCY - MHz 400 500 600 KEY: +25 C +85 C -55 C 15
Model: AC548 FREQ MHZ 5 10 20 50 100 200 300 400 500 600 SWR IN 1.32 1.14 1.07 1.04 1.04 1.07 1.13 1.23 1.40 1.64
TYPICAL AUTOMATIC TEST DATA
SWR OUT 1.17 1.07 1.04 1.06 1.11 1.20 1.27 1.30 1.27 1.19 Vcc=+15V GAIN DB 12.7 12.7 12.7 12.6 12.6 12.5 12.5 12.5 12.5 12.4 DELAY NSEC Icc=57.69 REV/ISO DB -19.1 -18.3 -18.2 -18.2 -18.2 -18.2 -18.2 -18.2 -18.2 -18.1
1.664 0.722 0.505 0.465 0.458 0.461 0.477 0.497
NOISE FIGURE - dB
Noise Figure
4.5 4.0 15v 3.5 3.0 5 10 30 50 100 200 300 FREQUENCY - MHz 400 500 600 12v
Power Output at 1 dB Compression
OUTPUT POWER - dBm 20.0 19.0 15v 18.0 12v 17.0 16.0 5 10 30 50 100 200 300 FREQUENCY - MHz 400 500 600
Model: AC548 FREQ. MHz 5 10 20 50 100 200 300 400 500 600 700 Model: AC548 FREQ MHZ 5 10 20 50 100 200 300 400 500 600
S11 MAG 0.14 0.07 0.04 0.02 0.02 0.03 0.06 0.10 0.17 0.24 0.33 ANG -82.1 -84.4 -84.9 -86.4 -92.7 -112.5 -132.6 -154.1 -174.6 165.9 146.9
LINEAR S-PARAMETERS Vcc=+15V S21 S12 MAG ANG MAG ANG 4.30 -163.7 0.111 -174.0 4.30 -173.1 0.121 -178.0 4.30 -179.1 0.123 179.0 4.29 173.1 0.124 174.0 4.26 164.0 0.123 166.0 4.23 147.3 0.123 152.0 4.21 130.8 0.123 139.0 4.21 114.2 0.123 125.0 4.21 97.0 0.124 111.0 4.17 79.1 0.124 97.0 4.08 60.7 0.122 81.0 Vcc=+12V GAIN DB 12.6 12.6 12.6 12.6 12.6 12.5 12.5 12.5 12.5 12.4
Icc=57.69 S22 MAG ANG 0.08 -19.2 0.03 -25.8 0.02 2.3 0.03 40.7 0.05 52.2 0.09 46.1 0.12 34.4 0.13 21.6 0.12 8.8 0.09 -3.0 0.03 1.1 Icc=45.79 REV/ISO DB -19.1 -18.3 -18.2 -18.2 -18.2 -18.2 -18.2 -18.2 -18.2 -18.2
Intercept Point Vcc = 15
INTERCEPT POINT - dBm 70 60 2nd HAR 50 IP 2 40 30 20 5 10 30 50 100 200 300 FREQUENCY - MHz 400 500 600 IP 3
SWR IN 1.31 1.14 1.07 1.04 1.04 1.07 1.13 1.24 1.41 1.66
SWR OUT 1.18 1.07 1.05 1.06 1.10 1.18 1.24 1.25 1.21 1.12
DELAY NSEC
1.660 0.718 0.507 0.465 0.458 0.462 0.481 0.499
Intercept Point Vcc = 12
INTERCEPT POINT - dBm 70 60 2nd HAR 50 40 30 20 5 10 30 50 100 200 300 FREQUENCY - MHz 400 500 600 IP 3 IP 2
Model: AC548 FREQ. MHz 5 10 20 50 100 200 300 400 500 600 700
S11 MAG 0.13 0.07 0.04 0.02 0.02 0.03 0.06 0.11 0.17 0.25 0.34 ANG -81.5 -82.9 -81.3 -80.2 -87.2 -108.8 -131.0 -152.9 -173.6 166.1 146.8
LINEAR S-PARAMETERS Vcc=+12V S21 S12 MAG ANG MAG ANG 4.28 -163.7 0.111 -174.0 4.28 -173.1 0.121 -178.0 4.28 -179.1 0.123 179.0 4.27 173.1 0.123 173.0 4.25 164.0 0.123 166.0 4.22 147.2 0.122 152.0 4.20 130.8 0.122 138.0 4.20 114.1 0.123 123.0 109.0 0.123 96.8 4.20 4.16 78.8 0.123 94.0 4.06 60.3 0.120 78.0
Icc=45.79 S22 MAG ANG 0.08 -16.9 0.04 -21.3 0.02 1.1 0.03 32.0 0.05 45.4 0.08 42.0 0.11 31.5 0.11 19.5 0.09 7.7 0.06 0.0 0.02 79.8
2005/2006
408-522-3838 * Fax: 408-522-3839 * Check for updates: www.cougarcorp.com
139

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