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widlar current source
Does anyone have another idea of how to make a current source in the 10's of nA range. It doesn't have to be really accurate, just super stable.
I have tried making a Widlar current source using BJTs. I have got a fairly stable current (~10 nA) upto load resistances of...
current source na
Hi. I was just wondering if anyone knew of any transistor circuits that could reliably produce a constant current in range of 10-100 nA and also have a very high output impedence. The reason for this is that I'm trying to do resistance measurements of a highly resisitive...
dividing clock
Ya, a PLL is probably what I need. I'm trying to find one which has an input frequency this low (~ 3.5 kHz) and also can produce a frequency 15x the input. The ones I've found only do binary multiplication and have minimum input frequencies in the Mhz.
Does anyone know of an IC...
pll multiplication fractions
Hi guys.
I was wondering if someone could help me with frequency dividers. Basically what I have is this clock signal at 3570 Hz and want to divide it by 200/30 (6.66667). I've been searching around but haven't found something straight forward and easy which will...
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