EL SEGUNDO, Calif. – October 2, 2013
Linwave Technology, a United Kingdom-based supplier of microwave components, recently faced a design challenge involving an X-band predistortion linearizer operating at 7.9-8.4GHz. The design spec required that a module be produced that generates an AM-AM and AM-PM profile, which at a prescribed drive level cancels out the AM-AM and the AM-PM of a power amplifier (in this case a traveling-wave tube) and thereby extends its linear dynamic range. Using a combination of variable attenuators and phase shifters in conjunction with the Microwave Office® tuning utility, a design that gave the required control of AM-AM and AM-PM was quickly realized.
“Microwave Office has always been a very productive design tool ever since its first release,” said Trevor Wilson, chief design engineer at Linwave. “The software has developed into a powerful RF/microwave design platform but has still retained its original easy-to-use interface.”
The full success story is available online at: http://www.awrcorp.com/customer-stories/linwave
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