ETC LA507

2/99
50 TO 500 MHz
TO-8 LIMITING AMPLIFIER
LA507
LA507
Typical Values
High Output Level . . . . . . . . .
High Third Order I.P. . . . . . . .
Fast Pulse Recovery Time . . .
Low SWR . . . . . . . . . . . . . . . .
Symmetrical Clipping; High
Even-Order Suppression
High Performance Thin Film
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LA507
+12.0 dBm
+29 dBm
< 50 ηsec
1.3:1
TO-8 Package for Amplifiers
0.450 (11.43)
DIA.
0.185 ± 0.015
(4.70 ± 0.38)
SPECIFICATIONS
Parameter
Typical
Frequency (Min.)
20-550 MHz
0.018 ± 0.002
DIA. PIN
(0.46 ± 0.05)
(4) PLCS
Guaranteed*
0 to 50° C
-55 to +85° C
50-500 MHz
50-500 MHz
13.0 dB
12.5 dB
11.5 dB
Gain Flatness (Max.)
< ±0.2 dB
±0.5 dB
±0.7 dB
Noise Figure (Max.)
5.5 dB
6.5 dB
7.0 dB
Small Signal Gain (Min.)
0.025
(0.64)
0.208 (5.28)
MAX.
0.504 (12.80)
DIA.
GROUND
50 OHM INPUT
50 OHM OUTPUT
0.033 (0.84)
0.031 (0.79)
45° ± 3°
< 1.3:1
1.7:1
1.9:1
Output Limiting Level (Max.)
Pin = +20 dBm
16.2 dBm
17.2 dBm
18.0 dBm
Power Output (Min.)
@ 1dB comp.
+12.0 dBm
+11.0 dBm
+9.0 dBm
51 mA
54 mA
56 mA
DC Current (Max.)
DIMENSIONS ARE IN INCHES (MILLIMETERS)
LS507
SMTO-8 Package for Amplifiers
* Measured in a 50-ohm system at +15 Vdc unless otherwise specified.
0
INTERMODULATION PERFORMANCE
0.450
(11.43)
Input/Output
0.300
(7.62)
DIA. B.C.
0.225
(5.72)
SWR (Max.)
+DC VOLTAGE
DETAIL A
(NO SCALE)
DC BIAS
0.016 ± 0.002
0.010 ± 0.002
0
0.250
(6.35)
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 µsec Max.) . . . . . . . . . . .
Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance1 (θjc) . . . . . . . . . . . . . . . . . . .
Junction Temperature Rise Above Case (Tjc) . . . .
1
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-62 to 125° C
+125° C
+17 Volts
+23 dBm
400 Milliwatts
1 Watt
+100° C
+47° C/Watt
+38.3° C
0.012
50 Ω OUTPUT
GND
ABSOLUTE MAXIMUM RATINGS
0.008
0.450
(11.43)
SEE
DETAIL "A"
0.040 ± 0.012
(1.02 ± 0.30)
(4) PLCS
0.375
(9.53)
+48 dBm
+42 dBm
+29 dBm
0
LIMITING AMPS
Second Order Harmonic Intercept Point . . . . . . . . . . . . . .
Second Order Two Tone Intercept Point . . . . . . . . . . . . . .
Third Order Two Tone Intercept Point . . . . . . . . . . . . . . . .
0.016 ± 0.002
(0.41 ± 0.05)
(4) PLCS
50 Ω INPUT
0.225
(5.72)
LA507
Linear Region Only
.0.075
(1.91)
(Typical @ 25° C)
0.170
(4.32)
0.050
(1.27)
(4) PLCS
0
0.075
(1.91)
0.200
(5.08)
0.350
(8.89)
0.450
(11.43)
0.100
(2.54)
(4) PLCS
0.031
(0.79)
0.031
(0.79)
0.010 (TYP.)
(0.25)
45°
0.008 ± 0.001
(0.20 ± 0.03)
Thermal resistance is based on total power dissipation.
386
408-522-3838 • Fax 408-522-3839 • www.cougarcorp.com
2001
LA507
TYPICAL AUTOMATIC
TEST DATA
TYPICAL PERFORMANCE
KEY: +25 °C
+85 °C
-55 °C
GAIN - dB
Gain vs Temperature
13.5
12.5
+15 V
11.5
5
10
30
50
100
200
300
FREQUENCY - MHz
400
500
600
400
500
600
OUTPUT POWER - dBm
N. F. - dB
Noise Figure
6.0
+15 V
5.0
4.0
+12 V
5
10
30
50
100
200
300
FREQUENCY - MHz
Power Output Vcc=+15
Power In = +20 dBm
17
16 +12 V
15
14
5
10
30
50
100
200
300
FREQUENCY - MHz
400
500
600
Power Output vs Input Power Vcc = +15
Pin=+15 dBm
Pin=+10 dBm
15
Pin=+5 dBm
14
Pin=+2 dBm
13
12
Pin=+0 dBm
11
INTERCEPT POINT - dBm
Pin=+20 dBm
16
5
10
30
50
100
200
300
FREQUENCY - MHz
400
500
600
Intercept Point Vcc = +15
Distortion Products
60
20
50
Fundamental
2nd HAR
IP 2
10
40
0
IP 3
30
20
5
10
30
3rd HAR
-10
50
100
200
300
FREQUENCY - MHz
400
500
600
-20
LIMITING AMPS
OUTPUT POWER - dBm
17
2nd HAR
-30
9.0
-40
8.0
-50
7.0
-60
6.0
-70
5.0
-80
-20 -15
4.0
3.0
2.0
KEY: 100 MHz
300 MHz
500 MHz
1.0
0.0
-1.0
-15
2001
-10
-5
0
INPUT POWER - dBm
5
10
OUTPUT POWER - dBm
PHASE SHIFT - DEGREES
Phase Shift vs. Input Power
KEY: 100 MHz
300 MHz
500 MHz
-10 -5
0
5 10 15
INPUT POWER - dBm
20
Cascaded Limiting
20
15
10
7 stages
5
-80 -70 -60
5 stages
3 stages
-50 -40 -30 -20 -10
INPUT POWER - dBm
408-522-3838 • Fax 408-522-3839 • www.cougarcorp.com
1 stage
0
10
20
387