138
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2005/2006
2/99
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
.
2
2
5
(
5
.
7
2
)
0
.
4
5
0
(
1
1
.
4
3
)
0
.
0
.
0
7
5
(
1
.
9
1
)
0
.
2
2
5
(
5
.
7
2
)
0
.
3
7
5
(
9
.
5
3
)
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)
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 sec Max.) . . . . . . . . . . . . . . . .
0.5 Watt
Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+105 C
Thermal Resistance
1
(
jc) . . . . . . . . . . . . . . . . . . . . . . . .
+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)
2005/2006
408-522-3838 Fax: 408-522-3839 Check for updates: www.cougarcorp.com
139
AC548
GAIN - dB
F R E Q U E N C Y - M H z
5 10 30 50 100 200 300 400 500 600
Gain vs Temperature Vcc = 15
4 . 5
4 . 0
3 . 5
3 . 0
NOISE FIGURE - dB
Noise Figure
K E Y :
+ 2 5
C
+ 8 5
C
- 5 5
C
OUTPUT POWER - dBm
Power Output at 1 dB Compression
7 0
6 0
5 0
4 0
3 0
2 0
INTERCEPT POINT - dBm
Intercept Point Vcc = 15
F R E Q U E N C Y - M H z
F R E Q U E N C Y - M H z
F R E Q U E N C Y - M H z
2 n d H A R
I P 3
1 5 v
1 2 v
1 5 v
1 2 v
I P 2
5 10 30 50 100 200 300 400 500 600
5 10 30 50 100 200 300 400 500 600
5 10 30 50 100 200 300 400 500 600
7 0
6 0
5 0
4 0
3 0
2 0
INTERCEPT POINT - dBm
Intercept Point Vcc = 12
F R E Q U E N C Y - M H z
2 n d H A R
I P 3
I P 2
5 10 30 50 100 200 300 400 500 600
1 4 . 0
1 3 . 0
1 2 . 0
1 1 . 0
1 0 . 0
2 0 . 0
1 9 . 0
1 8 . 0
1 7 . 0
1 6 . 0
TYPICAL PERFORMANCE
TYPICAL AUTOMATIC
TEST DATA
Model: AC548
Vcc=+15V
Icc=57.69
FREQ
SWR
SWR
GAIN
DELAY
REV/ISO
MHZ
IN
OUT
DB
NSEC
DB
5
1.32
1.17
12.7
-19.1
10
1.14
1.07
12.7
-18.3
20
1.07
1.04
12.7
1.664
-18.2
50
1.04
1.06
12.6
0.722
-18.2
100
1.04
1.11
12.6
0.505
-18.2
200
1.07
1.20
12.5
0.465
-18.2
300
1.13
1.27
12.5
0.458
-18.2
400
1.23
1.30
12.5
0.461
-18.2
500
1.40
1.27
12.5
0.477
-18.2
600
1.64
1.19
12.4
0.497
-18.1
LINEAR S-PARAMETERS
Model: AC548
Vcc=+15V
Icc=57.69
FREQ.
S11
S21
S12
S22
MHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
5
0.14
-82.1
4.30
-163.7
0.111
-174.0
0.08
-19.2
10
0.07
-84.4
4.30
-173.1
0.121
-178.0
0.03
-25.8
20
0.04
-84.9
4.30
-179.1
0.123
179.0
0.02
2.3
50
0.02
-86.4
4.29
173.1
0.124
174.0
0.03
40.7
100
0.02
-92.7
4.26
164.0
0.123
166.0
0.05
52.2
200
0.03
-112.5
4.23
147.3
0.123
152.0
0.09
46.1
300
0.06
-132.6
4.21
130.8
0.123
139.0
0.12
34.4
400
0.10
-154.1
4.21
114.2
0.123
125.0
0.13
21.6
500
0.17
-174.6
4.21
97.0
0.124
111.0
0.12
8.8
600
0.24
165.9
4.17
79.1
0.124
97.0
0.09
-3.0
700
0.33
146.9
4.08
60.7
0.122
81.0
0.03
1.1
Model: AC548
Vcc=+12V
Icc=45.79
FREQ
SWR
SWR
GAIN
DELAY
REV/ISO
MHZ
IN
OUT
DB
NSEC
DB
5
1.31
1.18
12.6
-19.1
10
1.14
1.07
12.6
-18.3
20
1.07
1.05
12.6
1.660
-18.2
50
1.04
1.06
12.6
0.718
-18.2
100
1.04
1.10
12.6
0.507
-18.2
200
1.07
1.18
12.5
0.465
-18.2
300
1.13
1.24
12.5
0.458
-18.2
400
1.24
1.25
12.5
0.462
-18.2
500
1.41
1.21
12.5
0.481
-18.2
600
1.66
1.12
12.4
0.499
-18.2
LINEAR S-PARAMETERS
Model: AC548
Vcc=+12V
Icc=45.79
FREQ.
S11
S21
S12
S22
MHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
5
0.13
-81.5
4.28
-163.7
0.111
-174.0
0.08
-16.9
10
0.07
-82.9
4.28
-173.1
0.121
-178.0
0.04
-21.3
20
0.04
-81.3
4.28
-179.1
0.123
179.0
0.02
1.1
50
0.02
-80.2
4.27
173.1
0.123
173.0
0.03
32.0
100
0.02
-87.2
4.25
164.0
0.123
166.0
0.05
45.4
200
0.03
-108.8
4.22
147.2
0.122
152.0
0.08
42.0
300
0.06
-131.0
4.20
130.8
0.122
138.0
0.11
31.5
400
0.11
-152.9
4.20
114.1
0.123
123.0
0.11
19.5
500
0.17
-173.6
4.20
96.8
0.123
109.0
0.09
7.7
600
0.25
166.1
4.16
78.8
0.123
94.0
0.06
0.0
700
0.34
146.8
4.06
60.3
0.120
78.0
0.02
79.8
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