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Re: JUMA PA1000 Linear Amplifier

Hi All, I finally got back on the Juma site after losing my password. Matti, glad you found some nice shielded wire. I like all the interesting transformer reading. I have 1 comment on the shunt feed DC. Remember both windings are not balanced flux in class AB so there will be lots of DC offset at p...
by wa1gfz
12 Jun 2012 00:14
 
Forum: Juma Discussion
Topic: JUMA PA1000 Linear Amplifier
Replies: 50
Views: 97843

Re: JUMA PA1000 Linear Amplifier

Do not waste your money on 25 ohm coax. #24 single shielded Teflon wire is very close to 26 ohms. I've been converting Erbteck MRI amps to HF modifing their transformers. It is pretty easy to get 160 through 6 meters. I just received a reply from Freescale today that the FET in question is rated at ...
by wa1gfz
29 Nov 2011 01:51
 
Forum: Juma Discussion
Topic: JUMA PA1000 Linear Amplifier
Replies: 50
Views: 97843

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