a check on bob 5

Anything about this unique oscilloscope DIY kit
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totem12
Posts: 3
Joined: Sun Jan 03, 2016 12:52 am

a check on bob 5

Post by totem12 »

my power supply section checks out okay until I hook up BOB 5. then the voltage drops to about 2.1 volts.
is there a way to check the integrity of bob 5?
thank you, Norden N7SOC
jye1
Posts: 1221
Joined: Wed Feb 20, 2013 4:58 pm

Re: a check on bob 5

Post by jye1 »

BOB5 can be checked by connecting it to 5V power supply and measuring its output voltage. It was tested before packing but it should be re-checked if you have doubt. For the issue you encountered check the resistance between V- or AV- and GND to see if there is short.
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