MEC 5498

MEC 5498
Continuous Wave TWT
2.5 GHz – 7.5 GHz
RF Performance
•
•
•
•
•
535 W Minimum Power
2.5 to 7.5 GHz
-40° to 85° C
1995 W Typ. Prime Power
26-43 dB Typical Gain
• 17.5” L x 3.25” W x 4.55” H
(44.5 x 8.25 x 11.6 cm)
• Phase Match Available
Typical Operating Conditions
Element
Voltage
Heater
Helix
with RF
without RF
Grid On
Grid Off
Cathode (Ek)
Collector w/RF
Coll. #1
Coll. #2
Current
Power Supply Requirements
Voltage Min.
Voltage Max.
Current Max.
-6.3 Vdc
2.1 A
-6 Vdc
-6.5 Vdc
2.5 A
Ground
Ground
165 Vdc
-200 Vdc
-6.15 kV
35 mA
5 mA
0.2 mA
0.05 mA
500 mA
Ground
Ground
100 Vdc
-200 Vdc
-5.8 kV
Ground
Ground
250 Vdc
-500 Vdc
-6.5 kV
50 mA
50 mA
5 mA
0.5 mA
550 mA
4.31 kV
2.89 kV
300 mA
165 mA
70% x Ek ±2%
47% x Ek ±2%
450 mA
550 mA
Freq
(GHz)
Typ. Sat.
Power
Output (W)
Min. Spec.
Power
Output (W)
Typ. Gain
@ Spec.
Power (dB)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
550
775
825
775
750
750
700
675
675
635
550
535
535
535
535
535
535
535
535
535
535
535
26
38
40
42
43
43
42
40
38
34
31
Typical power output is shown to illustrate capability.
Typical gain shown is without equalizer.
Performance
Typical
Spec
Input VSWR ........................................ 2:1 ...................... 2.5:1
Output VSWR ....................................2.2:1 .................... 2.5:1
Max. Duty ............................................ — ......................... CW
Grid Capacitance .............................. 40 pF ................... 60 pF
Min. Harmonic Separation ............... -5 dBc ................. -3 dBc
Noise Power Density
(dBm/MHz) ...................................... -40 ......................... -25
Prime Power ................................... 1995 W .............. 2500 W
Cathode voltage is measured with respect to ground.
Heater, Collector, and Grid voltages are measured with respect to Cathode.
This model number is subject to the jurisdiction of the U.S. Department of Commerce.
Specifications are subject to change without notice.
Teledyne TWT Products • 11361 Sunrise Park Drive • Rancho Cordova, CA 95742 • 916.638.3344 • www.teledynemicrowave.com
This model number is subject to the jurisdiction of the U.S. Department of Commerce.
Teledyne TWT Products • 11361 Sunrise Park Drive • Rancho Cordova, CA 95742 • 916.638.3344 • www.teledynemicrowave.com
2.5 GHz – 7.5 GHz Continuous Wave TWT ● MEC
5498