AW: RE: ASM-1 and other questions

[Paolo Predonzani]

> Often the *Noise* of voltage regulators is a problem.
> Drawing a reference current by a resistor from a 78xx
> regulated supply can ruin your SNR completely.
> 
> JH.
> 
One solution is to split the resistor in 2 resistors in series
and put a capacitor between ground and the node where the two
resistors meet. This works if the resistor is supposed to be
between constant voltages (e.g. between Vcc and the virtual ground
at the inverting input of an opamp).


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| Paolo Predonzani  |  email: predo at dist.dist.unige.it |
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