Current source voltage reference
harvardian
The voltage reference for the curent source is five green LEDs in series. 5x1.8 volts gives 9.9 volts. These are biased by a 100k resistor to ground. Sorry for the confusion as the schematic was a Spice simulation drawing that I didn't redraw for exact parts.
harvardian
The voltage reference for the curent source is five green LEDs in series. 5x1.8 volts gives 9.9 volts. These are biased by a 100k resistor to ground. Sorry for the confusion as the schematic was a Spice simulation drawing that I didn't redraw for exact parts.
Re: Current source voltage reference
9 Volts actually.
HarryHaller said:5x1.8 volts gives 9.9 volts.
9 Volts actually.
Re: I knew there was a nine in there somewhere
Well i dont drink alcohol and i never believed that story about getting drunk on coca cola so I should be fit for the job
HarryHaller said:AudioFreak, thanks for jumping in. Maybe you can help with correcting people's spelling also.... Remember kids, drinking and typing don't mix!
Well i dont drink alcohol and i never believed that story about getting drunk on coca cola so I should be fit for the job
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