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