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