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Re: JUMA PA1000 Linear Amplifier

Could someone explain what kind of transformer configuration this is and how it works? --> http://www.nikkemedia.fi/juma-pa1000/juma-pa1000-internal-view-2.jpg I Have read the interesting information here --> http://ludens.cl/Electron/mosfetamps/amps.html and I think what is done in the Juma 1000 am...
by LB3HC
05 Apr 2012 14:09
 
Forum: Juma Discussion
Topic: JUMA PA1000 Linear Amplifier
Replies: 50
Views: 93232

Re: JUMA PA1000 Linear Amplifier

SP5G is experimenting with a HF PA design based on two MRFE6VP61K25H. It looks like he parallels the two FETs in each MRFE6VP61K25H device and uses two MRFE6VP61K25H devices to achieve pull pull (or should we say "push pull"?). What I wonder about is what kind of transformer configuration ...
by LB3HC
18 Mar 2012 18:37
 
Forum: Juma Discussion
Topic: JUMA PA1000 Linear Amplifier
Replies: 50
Views: 93232

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