Re: L7 input coil ajustment
I use and have used the MFJ series. It is an old one, but I have found them quite handy. David Assaf III W5XU, VP8RXU
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David
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#75541
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L7 input coil ajustment.
Thanks guys for all the input on input coil adjustment. Ran the amp today on 40m and had a swr of 1.2:1 between amp and L7 at about 1500watts PEP output to flat swr into my dipole. Going to check
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Howard VE7IGA
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#75540
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Re: L7 input coil ajustment
? Excellent thread thanks for all the good information. I am just completing refurbishing an L4 B and will be tuning it up. Your insight is much appreciated. Do you have a recommendation on an
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John AA0ES
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#75539
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Re: L7 input coil ajustment
Accepted---thanks K0UYA
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Paul Kraemer
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#75538
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Re: L7 input coil ajustment
Ooops...sorry Paul....I wrote that very poorly and didn't pick it up in the proofread! Actually, while nichrome parasitics WERE removed from that amp (and I made my own copies of the originals to
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VE7PS
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#75537
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Re: L7 input coil ajustment
For the record? I have NO parasitic suppressors new or old for ANY amplifier. For the record. Apology forthcoming? Paul K0UYA
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Paul Kraemer
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#75536
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Re: L7 input coil ajustment
Howard: I'll add two comments to David's instructions for adjusting the input tuning on the L-7 1) Check out the L-4B instructions. They got that correct and it's the same procedure. 2) While I would
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VE7PS
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#75535
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Re: L7 input coil ajustment
Howard: Please forgive me if this is a somewhat disjointed note as I am still in the hospital but with the promise I will be home today after 4 days here. The input circuit is to tune the input for
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David
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#75534
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Re: Solid State 2B Receiver
I was at the FDIM QRP forum and had hands on with this receiver. The video doesn¡¯t do it justice. mike wb8vge
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mike bryce
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#75533
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Re: Solid State 2B Receiver
Great, thanks! --Ed, N3CW--
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Ed G
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#75532
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Re: Solid State 2B Receiver
W4OP describes his receiver in this youtube video: https://www.youtube.com/watch?v=O077VLhmCD4 Bob/WB0AUQ
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WB?AUQ
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#75531
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Re: Solid State 2B Receiver
I bet the owner of PAR knows where that board design came from and would be willing to share. John k5mo
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John K5MO
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#75530
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Re: Solid State 2B Receiver
Thanks, Ed. I only wish I possessed the skills¡ joseph n. graif k4jng Sent: Monday, January 15, 2024 9:53 AM To: [email protected] Subject: [DRAKE-RADIO] Solid State 2B Receiver Folks, While
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Joseph K4JNG <jgraif1@...>
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#75529
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Solid State 2B Receiver
Folks, While browsing the PAR Electronics website, I came across this brief post of a homebrew solid-state 2B receiver: http://www.parelectronics.com/homebrew2.html Anyone here know more about this
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Ed G
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#75528
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Re: WTB RV-75
I have done this many times to get a particular item.? You now have to bid in the last 3 seconds or someone will probably out bid you. Ebay used to make you ve
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Rick W4XA <myr748@...>
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#75527
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Re: WTB RV-75
It all happened in the final seconds. I increased my bid to $1000 with 30 seconds to go. The bid jumped up to $605 with me in the lead but just as quickly jumped to $1025. Perhaps if I had waited
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Joseph K4JNG <jgraif1@...>
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#75526
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Re: WTB RV-75
Still a max bit of 3500 is just amazing.? I think that a $1050 was a fair bid as it was unknown whether they worked or not. You had over bid me by about $200 so we were in the ball park. 73? Bob
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K6OXN Bob
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#75525
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Re: WTB RV-75
That was me and it was a mistake. In my haste to increase my bid to $1050, I accidentally entered $10,050. The final price means the other person had a max bid of $3500! I cancelled the bid and pissed
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Joseph K4JNG <jgraif1@...>
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#75524
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WTB RV-75
Again I am still looking for an RV-75 after losing my bid on Fleabay when a guy had 2 of them for sale for repair or parts.? Final bid $3550. That is amazing. Will still keep looking, but will not
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K6OXN Bob
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#75523
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Re: R-4B AGC Issues, Part Trois
David, I am thankful you are able, in your present condition, to communicate. ?Hear the encouragement that the LORD has given us. ?Here is eternal power : The counsel of the LORD stands for ever,
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Michael Smith
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#75522
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