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Printed Circuit Boards


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  #21  
Old 04-08-2017, 12:36:19 PM
Archaeometrist Archaeometrist is offline
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Default Re: Printed Circuit Boards

That could be the act that keeps this "hobby" alive and even well. If youth are interested (even a little), teach them - but keep it 'fun' too.
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  #22  
Old 04-08-2017, 02:43:58 PM
len k len k is offline
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Default Re: Printed Circuit Boards

Pretty standard price on board repairs is 1/2 the cost of a new board.... because they can.

Couple bucks in parts if you can do it yourself.
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  #23  
Old 04-08-2017, 03:38:20 PM
Gunny Gunny is offline
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Default Re: Printed Circuit Boards

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Originally Posted by Motorhead View Post
Gunny, Do you have someone younger to pass on your skill to? I am working with a kid that lives close to me and showing him some of my skills on diesels, carburetors, and other automotive issues.
I do. He's in his mid 30's and a very bright young man, retains anything and everything.
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  #24  
Old 04-08-2017, 06:14:19 PM
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Default Re: Printed Circuit Boards

I would be learning from you if I lived closer... even though I am going to be 65 this Summer.
When I was a kid, my Dad had a long time friend that was a wizard with early electronics and old tube circuits. I still have a 1963 Blaupunkt hybrid radio that was in my Dads 1963 Porsche 356. It was transistor and tubes. It also had the old style vibrator that changed DC to AC. This friend of Dads eliminated the vibrator and built up a solid state replacement. This was done late 60's. The radio still works fine in my old 1955 VW bug.
Gunny, unless some of the younger people pick up the knowledge of old farts like me, you, Billy S, Leon N. and others on this site and outside the forums, a lot of what we know will be lost!
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  #25  
Old 04-08-2017, 07:19:05 PM
Pat Barrett Pat Barrett is offline
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Default Re: Printed Circuit Boards

I'm going to make a confession. I learn something new every day. All my life I've heard the title of this thread and understood it to be "Prentiss Circuit Board" Like maybe Prentiss was the person who developed it.
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  #26  
Old 04-08-2017, 08:17:06 PM
Archaeometrist Archaeometrist is offline
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Default Re: Printed Circuit Boards

I started learning a little electronics as a kid in the 60s. Didn't do so good because I didn't know enough to teach myself - but I did learn some basics, enough to do some simple repairs (also learned - the hard way - to never use regular Allen wrenches in tuning slugs!). It got better in the 70s, and I learned to program, but it wasn't until I got into amateur radio (licensed 1980) that I really started to learn. I suggest to anyone who is interested in electronics to consider that.

I've tried to make my own PCBs, but they really never turned out too good. The best was cutting the metal from around simple traces and making circuits "dead bug" style (I have a great dBm unit made that way, combined with a Arduino). Kits are also a great way to learn. Having someone show you the ropes really helps when it comes to soldering and stuff like that (I've helped people learn a few times.)
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  #27  
Old 04-08-2017, 08:29:56 PM
len k len k is offline
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Default Re: Printed Circuit Boards

I learned electronics as a kid from reading popular electronics magazine.

Got started reading electronic and science magazines after barber cut my hair and I was last one there at closing. He was throwing out old magazines and gave me a bunch. Even had a Scientific American in there ( how to make liquid air using an old fridge compressor and a thermos bottle.)

Best thing ever, if mom tried to get me into it I likely would have rebelled and said no.
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  #28  
Old 04-08-2017, 11:08:42 PM
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Default Re: Printed Circuit Boards

If ain't got tubes and at least 3000 VDC it just ain't as much fun to repair.
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  #29  
Old 04-08-2017, 11:22:11 PM
Wayne 440 Wayne 440 is offline
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Default Re: Printed Circuit Boards

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Originally Posted by OnanParts View Post
If ain't got tubes and at least 3000 VDC it just ain't as much fun to repair.
That is a cute little tube, did you need a driver?
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  #30  
Old 04-08-2017, 11:35:18 PM
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Default Re: Printed Circuit Boards

I'm learning the electronics late in life. I've always had a fascination with electricity and could do 12v dc and 120/240 ac but it was all rudimentary electrical.
Working for a municipality and having I&E techs who were basically wire pullers and conduit benders, I've had to learn some instrumentation and automation. I've got a long way to go to get good at it but at 53, I've got a few more years to practice.
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  #31  
Old 04-08-2017, 11:39:18 PM
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That is a cute little tube, did you need a driver?
That cute little tube has a buddy. They get excited by another pair of buddies. 6146B's pushing the pair of 3-500Z's,
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  #32  
Old 04-08-2017, 11:45:38 PM
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Default Re: Printed Circuit Boards

Repairable PCB's? Check. Tubes? Check. Knobs & Dials? Check. Meters? Check. OK, all good to go!
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  #33  
Old 04-09-2017, 12:35:14 AM
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Default Re: Printed Circuit Boards

Wow... NICE!!! I've always been a Kenwood fan. Their radios were always attractive IMO.

I got my ticket in 1980. Back then, I only vaguely dreamed of having digital readout and solid-state rather than tube - my first radio was a 2m HT and first 2m mobile was an already old crystal rig (and I got an old, homebrew tube 6m AM mobile rig that I only heard ONE call on in the year or so I owned it). Later I'd seen an Icom IC-735 and dreamed of that rig for years, then the IC-706 Mark 2 G. Still dreaming - the radios I really liked (or thought I'd like) are now all obsoleted, if not laughed at.

I finally have a TS-520, which was one that I liked back in the 80s. It doesn't work too good. I'm not sure what the issue is, but haven't had the time to look at it - it's really weak above 40.

I'd also always wanted a band scope, because it always seemed I was missing the calls until the person was just signing off. That was my dream accessory! I even tried to make one many years ago, but couldn't get it to work right.
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  #34  
Old 04-09-2017, 12:57:10 AM
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Default Re: Printed Circuit Boards

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Originally Posted by OnanParts View Post
That cute little tube has a buddy. They get excited by another pair of buddies. 6146B's pushing the pair of 3-500Z's,
I bet that beast is a heavy dude!!!! I used to have a Sherwood S9910 stereo reciever that I bought in 1973, that was quite heavy because of the power transformers.
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  #35  
Old 04-09-2017, 07:48:57 AM
Dale Russell Dale Russell is offline
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Default Re: Printed Circuit Boards

NICE set up Onan Parts, Got my license in 96 after I retired. Icom All the way.
KB0WIZ Dale
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  #36  
Old 04-09-2017, 09:02:56 AM
Wayne 440 Wayne 440 is offline
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Originally Posted by OnanParts View Post
That cute little tube has a buddy. They get excited by another pair of buddies. 6146B's pushing the pair of 3-500Z's,
That will work. I have been working on this, for winter time use.
Combination room heater/amplifier.
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  #37  
Old 04-09-2017, 09:32:30 AM
armandh armandh is offline
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Default Re: Printed Circuit Boards

KD0PXF

sorry guys [modern ATV]
DVB-T 1080P-60 on 423 Mhz 10 watts all 12V
my first QSO was @ 10 Ghz SSB all of 26 miles

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  #38  
Old 04-10-2017, 03:51:28 AM
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Default Re: Printed Circuit Boards

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Originally Posted by Wayne 440 View Post
That will work. I have been working on this, for winter time use.
Combination room heater/amplifier.
Very nice shack heater!

Real amps have vacuum caps too. Now if that ceramic tube could glow in the dark it would be perfect!



These make a nice little shack heater.......
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  #39  
Old 04-10-2017, 07:21:23 AM
Wayne 440 Wayne 440 is offline
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Default Re: Printed Circuit Boards

If that 3cx3000a glows, I'm in trouble
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Old 04-10-2017, 08:57:33 AM
Crankpot Crankpot is offline
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Default Re: Printed Circuit Boards

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That cute little tube has a buddy. They get excited by another pair of buddies. 6146B's pushing the pair of 3-500Z's,
Nice compact rig! I just ordered a couple head gaskets from you for my jc btw.

73's kd4lgw. Bob
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