The Shop > Electronics & IC Programing
Digital oscilloscope project/kit
wheeltapper:
It's the one designated U1 on board.
it's a 78LO8. same edge of the board as the BNC socket between two caps.
Roy.
nrml:
After following this thread from the beginning, I have finally succumbed and gone and ordered the oscilloscope and transistor tester kits (with case). I have no idea how to use an oscilloscope and I have only ever soldered one small PCB before in my life. Such trivial details are not significant are they :scratch:? And to make matters worse I've ordered the version that needs SMD components soldering :doh:.
Mr Wilson - you are a bad influence :poke:. Giving people like me ideas above their station. Whatever next?
wheeltapper:
--- Quote from: nrml on May 02, 2016, 05:39:29 PM ---After following this thread from the beginning, I have finally succumbed and gone and ordered the oscilloscope and transistor tester kits (with case). I have no idea how to use an oscilloscope and I have only ever soldered one small PCB before in my life. Such trivial details are not significant are they :scratch:? And to make matters worse I've ordered the version that needs SMD components soldering :doh:.
Mr Wilson - you are a bad influence :poke:. Giving people like me ideas above their station. Whatever next?
--- End quote ---
SMD components eh. good luck with that. :lol: :lol: :lol: :lol:
If you've never used them before I suggest you get a test board as mentioned in a previous post, the're cheap enough to screw up mutilate construct and give some practice.
here's one, http://www.ebay.co.uk/itm/DIY-Kit-SMT-SMD-Component-Welding-Practice-Board-Soldering-Practice-UK-seller-/351548500382?hash=item51d9ec699e:g:V~MAAOSwT6pV36QW
It's all fun I tell you, well that's what they told me anyway. :)
Roy.
Bluechip:
--- Quote from: wheeltapper on May 02, 2016, 05:36:03 PM ---It's the one designated U1 on board.
it's a 78LO8. same edge of the board as the BNC socket between two caps.
Roy.
--- End quote ---
Little 8V 100mA voltage regulator .. Maybe a short cct. somewhere else on the board ??
They also get damned hot as do most regulator chips if you get them reverse connected. :(
Dave
http://uk.farnell.com/on-semiconductor/mc78l08acpg/ic-linear-voltage-regulator/dp/1652346
RobWilson:
--- Quote from: nrml on May 02, 2016, 05:39:29 PM ---After following this thread from the beginning, I have finally succumbed and gone and ordered the oscilloscope and transistor tester kits (with case). I have no idea how to use an oscilloscope and I have only ever soldered one small PCB before in my life. Such trivial details are not significant are they :scratch:? And to make matters worse I've ordered the version that needs SMD components soldering :doh:.
Mr Wilson - you are a bad influence :poke:. Giving people like me ideas above their station. Whatever next?
--- End quote ---
:lol: :lol: :lol: Good on ya nmrl :thumbup:
I am all brand new to this electronics lark myself , hardly used a soldering iron until I had started this thread :dremel:
Rob
PS remember no photos it did not happen :poke:
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