HFU HF Underground
Technical Topics => The RF Workbench => Topic started by: digitalmod on January 30, 2018, 1704 UTC
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8) Looks as if I have an open, but it doesn't look blown. DMM says it is.
What is the rating of the fuse if anyone knows including of course its Master Streach 8)
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Is the rating not printed or stamped on one of the end caps? Every fuse I've ever seen is.
+-RH
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This is a tiny fuse. If its marked it will take a magnifying glass.
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It sucks to get old, doesn't it? I've been needing bifocals for a few years, but I've been putting them off. I tried them once fir a short period but the transition point drove me crazy.
Years of shooting, riding motorcycles, and using headphones for listening have done a number on my hearing, too, but I don't mind that. It's mostly my right ear, that's the passenger side in a vehicle. I don't have to listen to inane yapping coming from over there on long drives when I veer of to see the "World's Largest Ball Of Foil". I met my pal Fansome there. 2/3's of the foil came from his hat linings.
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This is a tiny fuse. If its marked it will take a magnifying glass.
A necessity for every bench, especially with the SMD stuff.
A five pack at Harbor Fright will set you back a whopping $4 https://www.harborfreight.com/5-piece-loupe-set-98722.html (https://www.harborfreight.com/5-piece-loupe-set-98722.html)
+-RH
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A necessity for every bench, especially with the SMD stuff.
The best days of the 12AU7 were quite a while ago. Better get used to smaller stuff.
A five pack at Harbor Fright will set you back a whopping $4 https://www.harborfreight.com/5-piece-loupe-set-98722.html (https://www.harborfreight.com/5-piece-loupe-set-98722.html)
Or get your self a cheap microscope that you can work under with a large working surface. I can't solder anything smaller than a 1206 (Imperial size) component without one. For this one, just rotate the base out of the way for bigger items.
http://www.amscope.com/sharp-forward-stereo-microscope-10x-30x.html?gclid=EAIaIQobChMIz-CCpsuD2QIV1LfACh1XcwdHEAYYByABEgJG1vD_BwE (http://www.amscope.com/sharp-forward-stereo-microscope-10x-30x.html?gclid=EAIaIQobChMIz-CCpsuD2QIV1LfACh1XcwdHEAYYByABEgJG1vD_BwE)
Or go dee-luxe: https://www.google.com/shopping/product/4176465808603979983?biw=1610&bih=826&q=soldering+microscope&oq=soldering+microscope&prds=paur:ClkAsKraX0z1C-XT7GIxLaJw0QhdHj1niv3r6sUaq5qwvKXlDsDsoNpAtcegO4b96Jrxgvl0SV5FD9MobWqzHWmr7aB35gmBUxMF6cixIjpPKypp0kCY1-13zRIZAFPVH7135Rfy1l8ZSA-BVOYkot_eNvOGCA&sa=X&ved=0ahUKEwiRz5fQzYPZAhXs8YMKHXKjDOEQ8wII8wM (https://www.google.com/shopping/product/4176465808603979983?biw=1610&bih=826&q=soldering+microscope&oq=soldering+microscope&prds=paur:ClkAsKraX0z1C-XT7GIxLaJw0QhdHj1niv3r6sUaq5qwvKXlDsDsoNpAtcegO4b96Jrxgvl0SV5FD9MobWqzHWmr7aB35gmBUxMF6cixIjpPKypp0kCY1-13zRIZAFPVH7135Rfy1l8ZSA-BVOYkot_eNvOGCA&sa=X&ved=0ahUKEwiRz5fQzYPZAhXs8YMKHXKjDOEQ8wII8wM)
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I've had good luck with a loupe on parts as small as SC-70. 1206's, SOIC's and other stuff I can do without magnification, but you still need it for inspection, looking for solder bridges, etc.
+-RH
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As 2018 progresses I have some stuff I am selling off. If I do, begin an electronics lab with basic equipment. Yes sir a magnifying glass, big one is a necessity. I used to have one on my bench at university. :-*
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You can get a 'big eye' (magnifier with light and desk arm mount) for about $60. I have one but rarely use it. Often I use just the loupe and a MR16 LED lamp if I need a real good look at something.
+-RH
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3A
OH, just use a X4 and X7 Eyeglass and fit it to your eye socket.
X4 for 'Normal' X7 for very small stuff.
I do!!