MEC 5493

MEC 5493/MEC 5493E
Continuous Wave TWT
18.0 GHz – 26.5 GHz
RF Performance
•
•
•
•
•
50 W Minimum Power
18.0 to 26.5 GHz
-40° to 85° C
450 W Typ. Prime Power
26-28 dB Typical Gain
• 16.1” L x 2.76” W x 3.4” H
(62 x 7 x 8.6 cm)
Typical Operating Conditions
Element
Voltage
Heater
Helix
with RF
without RF
FE On
FE Off
Cathode (Ek)
Collector w/RF
Coll. #1
Coll. #2
Current
Power Supply Requirements
Voltage Min.
Voltage Max.
Current Max.
-6.3 Vdc
0.7 A
-5.8 Vdc
-6.4 Vdc
1.5 A
Ground
Ground
-19 Vdc
-850 Vdc
-10.55 kV
1.4 mA
0.5 mA
0.1 mA
0.1 mA
113 mA
Ground
Ground
0
-800 Vdc
-10.3 kV
Ground
Ground
-40 Vdc
-1200 Vdc
-10.8 kV
4 mA
4 mA
1 mA
0.2 mA
140 mA
5.28 kV
2.64 kV
40.8 mA
70.8 mA
50% x Ek ±2%
25% x Ek ±2%
Cathode voltage is measured with respect to ground.
Heater, Collector, and Focus Electrode (FE) voltages are measured with respect to Cathode.
Available with integrated SSM.
75 mA
140 mA
Freq
(GHz)
Typ. Sat.
Power
Output (W)
Min. Spec.
Power
Output (W)
Typ. Gain
@ Spec.
Power (dB)
18.0
75
50
35
19.0
80
50
38
20.0
80
50
39
21.0
100
50
41
22.0
100
50
41
23.0
100
50
41
24.0
100
50
40
25.0
100
50
40
26.0
90
50
40
26.5
90
50
39
Typical power output is shown to illustrate capability.
Typical gain shown is without equalizer.
Performance
Typical
Spec
Input VSWR .......................................2.0:1 .................... 2.5:1
Output VSWR ....................................2.0:1 .................... 2.5:1
Max. Duty ............................................ — ......................... CW
FE Capacitance ................................ 50 pF ................... 60 pF
Min. Harmonic Separation ............... -8 dBc ................. -6 dBc
Noise Power Density
(dBm/MHz) ...................................... -25 ......................... -20
Prime Power .................................... 450 W ................. 500 W
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
18.0 GHz – 26.5 GHz Continuous Wave TWT ● MEC
5493/MEC 5493E