Xicom TWTA 270W DBS-band (17.3-18.4GHz) XTRD-270DBS Rack mounted (3RU) XTRD 270 DBS

The XTRD-270DBS is a highly e cient rack mountable traveling wave tube ampli er (TWTA) designed for xed and mobile uplink applications. The unit includes RF gain control, a solid-state pre-ampli er, RF lters, cooling, and moni- tor and control (M&C) systems. Rack space is conserved because the ampli er occupies only 3 rack units (51⁄4 inches) of a standard 19 inch rack cabinet. Nomi- nal weight is 50 pounds. 

The unit features a menu driven front panel display and RS-232/422/485 serial port interfaces for complete computer control. RF, traveling wave tube, and default parameters are easily monitored on the four line front panel display. Gain control is provided via the front panel or through the serial interface. 

The XTRD-270DBS incorporates high e ciency, dual stage collector TWTs. Reliability is enhanced because both prime power consumption and internal operating temperatures are reduced for both the linear and saturated modes of operation. 

The XTRD-270DBS incorporates power factor correction circuitry, which minimizes line current distortion and reduces the required Volt-Amps input. The automatic features of the high frequency resonant conversion power supply include quick recovery from prime power outages and multiple helix fault resets (three fault cycles.) Depending upon user requirements, this high power ampli- er can be con gured for either single thread, redundant, or phase combined system operation.