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SmithDoor replied to the thread Hi from Germany.Welcome to the group Dave -
SmithDoor replied to the thread New Tool Holder..FYI. I have American/Lantern tool post too in drawer for some types work. It is great for a few jobs very hand on that day. Dave
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SmithDoor replied to the thread Latest project Transistor VTVM build.Finish improved the meter face and added probe holder
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SmithDoor replied to the thread Latest project Transistor VTVM build.If any one want to the complete build it is on https://www.antiqueradios.com/forums/viewtopic.php?f=8&t=421599 It shows how I did...
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SmithDoor replied to the thread Latest project Transistor VTVM build.It uses a OP AMP it also know as a JFET voltmeter. Did not put ohms scale just a volt meter . I have a Simpson 260 for ohms. It can...
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SmithDoor replied to the thread Latest project Transistor VTVM build.The one I designed and built has the center zero too. The center zero is handy to have. I redid front by adding colors to make easy to...
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SmithDoor replied to the thread Latest project Transistor VTVM build.FYI The advantage of a VTVM is the amount power it takes from the circuit. This one is the most common 11 Meg aka 11,000,000 ohms per...
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SmithDoor replied to the thread Latest project Transistor VTVM build.Looks like a fun project. Does it still works? Dave
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When I started in college, the oscilloscopes in the labs were all tube-type, the labs were full of analog computers, and there was a...
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SmithDoor replied to the thread Latest project Transistor VTVM build.Electronics in 1970's switch to the chips. TV repair when down and alot fewer jobs electronic jobs. Electronics was my dream job too. In...
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My wife said I need a indoor hobby. So I designed and built a transistor vacuum tube voltmeter. Here is a photo of finished vtvm and...
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SmithDoor replied to the thread Wanted 2MT collets.They are sold new try Shars.com. They also have end milling holders in 2 Morse from 3/16 to 3/4" and metric too. If look download...
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SmithDoor replied to the thread Hello from West Virginia.Welcome to the group Dave
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SmithDoor replied to the thread Hello from Florida.Welcome to the group Dave
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SmithDoor replied to the thread Wanted Model generator, castings kit..You could fab out steel. Dave
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