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