steve_qix
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Bap!
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« on: February 19, 2019, 09:30:18 PM » |
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I was going through some old pictures from 2001, and found this - the first 1kW solid state pulse width modulator I ever built. Unbelievable that it actually worked, but it did and I used it for quite a while before laying out PC boards. Amazing !!
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w8khk
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This ham got his ticket the old fashioned way.
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« Reply #1 on: February 20, 2019, 12:36:28 AM » |
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Wowsers! I need to build me one of those!
Hiram would be elated.
Ross Hull would be mortified!
Makes my mouth water - Turn up the wick!
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Rick / W8KHK ex WB2HKX, WB4GNR "Both politicians and diapers need to be changed often and for the same reason.” Ronald Reagan
My smart?phone voicetext screws up homophones, but they are crystal clear from my 75 meter plate-modulated AM transmitter
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WA2SQQ
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« Reply #2 on: February 20, 2019, 07:18:10 AM » |
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Never underestimate the magic of clip leads!
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KK4YY
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Your best isn't as good as you can be.
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« Reply #3 on: February 20, 2019, 12:53:39 PM » |
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I wonder what's on that bench today... and what's to come!
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All your worries won't add a day to your life, or make the ones you have any happier.
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W9ZSL
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« Reply #4 on: February 20, 2019, 01:40:13 PM » |
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How to terrify a Klingon!
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WA2TTP Steve
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« Reply #5 on: February 20, 2019, 01:43:26 PM » |
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It’s called R & D! Love it
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WD8BIL
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« Reply #6 on: February 20, 2019, 02:36:23 PM » |
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When you consider what stray inductances and capacitances can do, it amazes me all the more!
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KL7OF
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« Reply #7 on: February 20, 2019, 03:29:50 PM » |
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is the bag of orange drops part of the circuit?
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KA0HCP
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« Reply #8 on: February 20, 2019, 04:05:44 PM » |
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is the bag of orange drops part of the circuit?
Para-sympathetic capacitance!
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New callsign KA0HCP, ex-KB4QAA. Relocated to Kansas in April 2019.
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kd1nw
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« Reply #9 on: February 20, 2019, 07:14:05 PM » |
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"Don't let perfect be the enemy of good enough"
I think I'll hang that pic up in the shack!
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w4bfs
W4 Beans For Supper
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more inpoot often yields more outpoot
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« Reply #10 on: February 21, 2019, 03:11:41 PM » |
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my experience has often been that a prototype (as in your example) works perfectly but the following pilot run doesn't
.... Murphy will have his pound of flesh ! ....
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Beefus
O would some power the gift give us to see ourselves as others see us. It would from many blunders free us. Robert Burns
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KD1SH
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« Reply #11 on: February 21, 2019, 05:44:24 PM » |
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Another excellent picture to set as desktop wallpaper to annoy my obsessively neat coworker.
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"Gosh, Batman, I never knew there were no punctuation marks in alphabet soup!" —Robin, in the 1960's Batman TV series.
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K9PNP
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« Reply #12 on: February 22, 2019, 01:06:21 PM » |
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Looks like something I had on the bench 2 weeks ago. Mine had less components but more clip leads.
Yep: Murphy was sitting on my shoulder; the clip lead version worked, the soldered together version with the same identical components didn't.
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73, Mitch
Since 1958. There still is nothing like tubes to keep your coffee warm in the shack.
Vulcan Theory of Troubleshooting: Once you have eliminated the impossible, whatever remains, however improbable, must be the truth.
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K9EID
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« Reply #13 on: March 05, 2019, 01:30:51 PM » |
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Steve Can I show this in Ham Nation as to how to start a project? Of course it worked! I do believe each of us have done similar things before and each of them amaze us how well they work !
Keep that soldering iron close by and hot.
Dr. Bob
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steve_qix
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Bap!
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« Reply #14 on: March 05, 2019, 02:24:33 PM » |
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Steve Can I show this in Ham Nation as to how to start a project? Of course it worked! I do believe each of us have done similar things before and each of them amaze us how well they work !
Keep that soldering iron close by and hot.
Dr. Bob
Sure Bob, no problem Regards, Steve
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N1BCG
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« Reply #15 on: March 05, 2019, 03:06:19 PM » |
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Can I show this in Ham Nation as to how to start a project? "The Pineboard Kilowatt"
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K9EID
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« Reply #16 on: March 05, 2019, 03:24:59 PM » |
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Thanks Steve
How fun....love home brew projects and especially ones that work really good Who cares about how they look. Usually not on ATV so all we have to worry about is they the projects sound good....
....and yep - a Pine Board KW. Now that's funny !
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KA0HCP
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« Reply #17 on: March 05, 2019, 10:25:28 PM » |
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Can I show this in Ham Nation as to how to start a project? "The Pineboard Kilowatt" Mwahaahaa!
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New callsign KA0HCP, ex-KB4QAA. Relocated to Kansas in April 2019.
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WA1LGQ
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« Reply #18 on: March 07, 2019, 12:11:18 PM » |
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Show that pic to the XYL and tell her that you are going to do the same.
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Opcom
Patrick J. / KD5OEI
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« Reply #19 on: March 08, 2019, 11:24:45 PM » |
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Show that pic to the XYL and tell her that you are going to do the same.
Do this after you have picked out the new transmitter but before purchasing it. As a way of 'running it by the XYL'.
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Radio Candelstein - Flagship Station of the NRK Radio Network.
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