Amplifier Design using PD85004

adnan · 发表于 2013-8-22 21:14:22

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I want to design 2 watt amplifier using PD85004 from 135MHz to 175MHz . I am facing problem regarding amplifier stability andmatching. I have simulated amplifier model in ADS 2011.10. for LSSP and load pull test. Physical amplifier does not work with required gain. Can anybody help me ?

ayazzakirr · 发表于 2013-9-4 12:15:43

With this frequency and bandwidth, you should not have any problems. I work on GHz spectrum and I have yet to face a problem. Although somethings are to be considered here. 1. RF grounding should be proper.
2. The lambda/4 line for DC connectivity should be of the right length.
3.The module should be with same boundary conditions as in the ADS designing software while entering the substrate

adnan · 发表于 2013-9-18 19:49:24

回复 2# ayazzakirr
By doing some experiments it is working. I will send you design files for further discussion.

ricky_ren · 发表于 2013-9-23 09:57:43

我晕，都是哪的，讲洋文干啥

adnan · 发表于 2013-10-2 17:33:19

Can i post ADS simulation files here?


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[讨论] Amplifier Design using PD85004

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