MEC 3848N

MEC 3848N
Pulse TWT
8 GHz – 12 GHz
RF Performance
•
•
•
•
•
•
10% Maximum Duty
5 kW Minimum Power
8.0 to 12.0 GHz
-40° to 85° C
1250 W Typ. Prime Power @8%
41-50 dB Typical Gain
• 15.8” L x 2.8” W x 4.5” H
(40.1 x 7.1 x 11.4 cm)
• ±15° Phase Match
Typical Operating Conditions
Element
Voltage
Heater
Helix
with RF
without RF
Grid On
Grid Off
Cathode (Ek)
Collector w/RF
Coll. #1
Coll. #2
Coll. #3
Current
Power Supply Requirements
Voltage Min.
Voltage Max.
Current Max.
-6.3 Vdc
2.1 A
-6.1 Vdc
-6.5 Vdc
2.50 A
Ground
Ground
150 Vpk
-350 Vdc
-13.0 kV
250 mApk
75 mApk
0.0 mApk
0.0 mA
1.8 Apk
Ground
Ground
100 Vpk
-300 Vdc
-13 kV
Ground
Ground
300Vpk
-500 Vdc
-15 kV
300 mApk @ 8%
300 mApk @ 8%
30 mApk
0.5 mA
2.5 Apk
8.97 kV
6.24 kV
4.55 kV
650 mApk
430 mApk
470 mApk
69% x Ek ±2%
48% x Ek ±2%
35% x Ek ±2%
1.1 mApk
0.8 mApk
2.5 mApk
Freq
(GHz)
Typ. Sat.
Power
Output (W)
Min. Spec.
Power
Output (W)
Typ. Gain
@ Spec.
Power (dB)
8.0
6610
5000
48
8.5
7080
5000
48
9.0
7080
5000
49
9.5
6610
5000
50
10.0
6610
5000
50
10.5
7240
5000
49
11.0
6760
5000
48
11.5
6610
5000
44
12.0
5620
5000
41
Typical power output is shown to illustrate capability.
Typical gain shown is without equalizer.
Performance
Typical
Spec
Input VSWR ......................................1.82:1 ................... 2.0:1
Output VSWR ...................................1.65:1 ................... 2.0:1
Max. Duty ........................................... 8% ....................... 10%
Max. Pulsewidth ............................... 50 µs ................. 100 µs
Grid Capacitance .............................. 50 pF .......... 50 pF max.
Min. Harmonic Separation ............. -13.0 dBc ............. -10 dBc
Noise Power Density
(dBm/MHz) ...................................... -20 ......................... -10
Prime Power ................................... 1250 W .............. 1700 W
Cathode voltage is measured with respect to ground.
Heater, Collector, and Grid voltages are measured with respect to Cathode.
This model number is controlled by the International Traffic in Arms Regulations, and can only be exported via a U.S. Department of State export license. They may not be transferred, transshipped on a non-continuous
voyage, or otherwise be disposed of in any other country, either in their original form or after being incorporated into other end-items, without the prior written approval of the U.S. Department of State.
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 controlled by the International Traffic in Arms Regulations, and can only be exported via a U.S. Department of State export license. They may not be transferred, transshipped on a non-continuous
voyage, or otherwise be disposed of in any other country, either in their original form or after being incorporated into other end-items, without the prior written approval of the U.S. Department of State.
Teledyne TWT Products • 11361 Sunrise Park Drive • Rancho Cordova, CA 95742 • 916.638.3344 • www.teledynemicrowave.com
8 GHz – 12 GHz Pulse TWT ● MEC
3848N