Archives: White Papers

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Liquid Cooling for HPAs

Liquid Cooling for HPAs Two broad trends in satcom uplinks are driving the need for liquid cooled satcom amplifiers: the amplifiers keep getting more powerful to support higher data rates, and higher frequency bands being used to take advantage of greater available spectrum. Higher frequencies mean more loss incurred in waveguide runs and components between …

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Linear GaN SSPAs

Linear GaN SSPAs New TWTAs Download Your FREE satcom Power Amplifier White Papers Comtech Xicom Technology, has announced a library of FREE downloadable white papersdescribing innovations from their engineering team in Silicon Valley, California. The company is the world’s leading satellite communications (satcom) uplink power amplifier supplier, offering the broadest product line in the industry. …

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GaN Solid-State Power Amplifiers

GaN Solid-State Power Amplifiers New linear GaN amplifiers are powerful and efficient Introduction The transformation of solid-state amplifiers for satellite communication systems from use of Gallium Arsenide (GaAs) transistors to Gallium Nitride (GaN) transistors has occurred at an astonishing rate. Not long ago nearly all comms SSPAs were built using GaAs technology, and now it …

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Rack-Mount Touch Screen Controller

Rack-Mount Touch Screen Controller Comtech Xicom Technology’s new generation of XTCT rack-mount controllers provide an easy to use, intuitive touch screen interface for monitoring and controlling outdoor amplifiers (ODUs). The new touch screen front panel displays the HPA’s operational status, including power output and temperature, graphical displays of parameter trend analysis, and event logs. Local …

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1250 Watt Peak Power DBS-Band Antenna Mount Amplifier XTD-1250DBSHE

1250 Watt Peak Power DBS-Band Antenna Mount Amplifier XTD-1250DBSHE Increases the power and capacity of existing links 525 W linear power with included linearizer Same package size as 750 W units for easy upgrades Flexible redundancy control with built-in switch controller Ethernet interface with SNMP and web page Key Specifications Frequency Range 17.3-18.1 GHz (17.3-18.4 …

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Continuous Power Systems

Continuous Power Systems Introduction For high power requirements, combining amplifiers is often required. The common combining approach is 2x, 4x, 8x etc due to efficient 2 way waveguide combiners or hybrids. As these higher power systems are general-ly for gateways in Direct to Home applications, redundancy is also a must. The traditional redundancy approach is …

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