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Re: Coil 3.72 software
Make sure you read the text files. You will need to create a shortcut and change some of the parameters before it works correctly. Jim ¨C KR9U Sent: Tuesday, January 7, 2020 11:34 PM To:
By James Wolf · #37082 ·
Re: Coil 3.72 software
Did? u? ?read? the? notes ?? ? ? Use? the? up and? down? arrows? to? ?change the? parameters? in? the? center? ?section.? ?Or? use? the? mouse.? Use? mouse? for the? 2 x
By Jim VE7RF · #37081 ·
Re: Coil 3.72 software
I got 3.79. Question. How do you change any of the values/parameters? When I open the program, it shows a pre calculated example and there seems to be nothing I can do to change frequency, wire size,
By Alek Petkovic · #37080 ·
Re: Coil 3.72 software
Great info in your posting. I did not realise that this was why there is usually a large diameter coil in most amps. I knew it was for the higher frequencies, but never knew exactly why. An easy way
By Clint, VE3CMQ <ve6cmm@...> · #37079 ·
Re: Coil 3.72 software
Latest? version? is? now? 3.78 Note? when u? ?go? from? 7? mhz? to? say? 28 mhz...? (for? a? given? inductance)? ?the? XL? will? increase? by? a? factor? of? 4,? since?
By Jim VE7RF · #37078 ·
Re: PSUD2 - last updated 22/11/2019
oops.? That? shoulda? read Version 2.10.0 Jim? VE7RF
By Jim VE7RF · #37077 ·
Re: PSUD2 - last updated 22/11/2019
LATEST? VERSION? IS? 3.78 Jim? VE7RF
By Jim VE7RF · #37076 ·
PSUD2 - last updated 22/11/2019
Latest? version? of the? infamous? PSUD2 is? superb,? very? accurate results.....and a host? of new? user? friendly? features. http://www.duncanamps.com/psud2/index.html Jim? ?VE7RF
By Jim VE7RF · #37075 ·
Re: Plate blocking caps YC156
In the 70s, toured US Naval Radio Station, Oso, WA (aka "Jim Creek"). At the time, they were pushing 1296A into 0.456¦¸ (766 kW). They dump the waste heat into Jim Creek. We were told that the creek
By Bryan · #37074 ·
Re: Plate blocking caps YC156
Yeah, that would be a lovely thing to see. Biggest I've seen here is MW AM broadcast station 6WA, on 558kHz. 100 miles East of me. It was 50kW and it was a walk in transmitter. As a young lad, I got
By Alek Petkovic · #37073 ·
Re: Plate blocking caps YC156
You ought to look in to a BIG Continental or other US amp if you want to see quality. BIG starts at 100KW Carl
By Carl · #37072 ·
Re: Plate blocking caps YC156
Hi Jim Thanks for those tips. I have ordered the HT57's You dont have the?? changes required for the GM3SEK triode board to use it with the YC156? I have a board set up for a 8877 but there is no
By tardivat@... · #37071 ·
Re: Plate blocking caps YC156
Don't? use? fixed? vac? caps? for? plate? blockers.? With B+? ?on? one? side? of? the? vac? cap, it? has to? be? severely? de-rated.? ?As is,? a 15? kv? rated? vac? cap?
By Jim VE7RF · #37070 ·
Re: Plate blocking caps YC156
Yeah. The anti corona balls on the screws on the switch wafer are something else too.
By Alek Petkovic · #37069 ·
Re: Plate blocking caps YC156
Hi Jim I will order some HT57's from RFparts. I wont take a gamble with the Chinese copies since they similar in price. I? order 5. I cant find any other caps with RF current ratings for the higher
By tardivat@... · #37068 ·
Re: Plate blocking caps YC156
What superb engineering by the RF? Gods R&S. Just look at that? excellent bandswitch and finger stock contacts. Their older test equipment aslo? has such displays of excellence in engineering. I
By tardivat@... · #37067 ·
Re: Dielectric grease for roller inductors ?
OEP still makes variable caps and all the TX variety use that grease/goo/goop
By Carl · #37066 ·
Re: Dielectric grease for roller inductors ?
Oren Elliott? no? longer makes? rollers...? just? ?air? variables +? verniers. I'm? gonna? buy? some...'conducto? lube' .? ? 75%? pure? silver...and 25%? castor oil.? ?Made for?
By Jim VE7RF · #37065 ·
Re: Dielectric grease for roller inductors ?
Scroll? to? extreme? right.? ?'Grease' https://www.palstar.com/mm5/ ( https://www.palstar.com/mm5/ ) http://www.palstar.com/mm5/merchant.mvc?Screen=PROD&Product_Code=grease PRODUCT DETAILS Two
By Jim VE7RF · #37064 ·
Re: Plate blocking caps YC156
Youre easily aroused
By Carl · #37063 ·