MEC 5441

MEC 5441/MEC 5442
Communication TWT
Ku/DBS Band
RF Performance
Freq
(GHz)
•
•
•
•
•
300 W Minimum Power
Ku/DBS Band
-40° to 85° C
1299 W Typ. Prime Power
43-51 dB Typical Gain
• 19.8” L x 3” W x 3.4” H
(50.34 x 7.67 x 8.64 cm)
• Phase Match Available
14.0
14.1
14.2
14.3
14.4
14.5
5441 – Grid
5442 – Focus Electrode (FE)
Typical Operating Conditions
Element
Voltage
Heater (MEC 5441)
Heater (MEC 5442)
Helix
with RF
without RF
FE On
FE Off
Grid On
Grid Off
Cathode (Ek)
Coll. #1 w/RF
Coll. #2 w/RF
Current
Power Supply Requirements
Voltage Min.
Voltage Max.
Current Max.
-6.1 Vdc
-6.1 Vdc
1.6 A
1.6 A
-5.8 Vdc
-5.6 Vdc
2.5 A
2.0 A
Ground
Ground
-25 Vdc
-1300 Vdc
174 Vdc
-250 Vdc
-10.2 kV
5.71 kV
4.08 kV
2.3 mA
1.0 mA
0.3 mA
0.02 mA
0.5 mA
0.5 mA
295 mA
38 mA
255 mA
Ground
Ground
Ground
Ground
0
-75 Vdc
-1300 Vdc
-1500 Vdc
125 Vdc
250 Vdc
-250 Vdc
-500 Vdc
-10 kV
-10.8 kV
56% x Ek ±2%
40% x Ek ±2%
-6.6 Vdc
-6.6 Vdc
Cathode voltage is measured with respect to ground.
Heater, Collector, and Grid or Focus Electrode (FE) voltages are measured with respect to Cathode.
This model number is subject to the jurisdiction of the U.S. Department of Commerce.
10 mA
10 mA
1 mA
1 mA
5 mA
1 mA
300 mA
100 mA
300 mA
Typ. Sat.
Power
Output (W)
400
400
400
400
400
400
Min. Spec.
Power
Output (W)
350*
350
350
350
350
350
Typ. Gain
@ Spec.
Power (dB)
51
51
51
51
50
50
17.3
400
300
46
17.4
400
300
46
17.5
400
300
46
17.6
400
300
46
17.7
400
300
46
17.8
400
300
46
17.9
390
300
45
18.0
380
300
45
18.1
360
300
44
18.2
355
300
43
18.3
340
300
43
18.4
330
300
43
Typical power output is shown to illustrate capability.
Typical gain shown is without equalizer.
* Minimum harmonic separation applies to the minimum
specified power output at the indicated frequency.
Performance
Typical
Spec
Input VSWR .......................................1.7:1 .................... 2.5:1
Output VSWR ..................................... 2:1 ...................... 2.5:1
Max. Duty ............................................ — ......................... CW
FE Capacitance ................................ 50 pF ................... 65 pF
Grid Capacitance .............................. 37 pF ................... 50 pF
Min. Harmonic Separation .............. -30 dBc ............ -15* dBc
Noise Power Density
(dBm/MHz) .................................... -13.9 ......................... -5
Prime Power ................................... 1299 W .............. 1400 W
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
Ku/DBS Band Communication TWT ● MEC
5441/MEC 5442