wrote:
2 questions about a fully DC Sine Wave....let's suppose you have a DC
Sine wave which varies from +5V to +15V peak-to-peak going into a load
with R, L, and C components.....

Question #1:
Is the load's impedance a function of R, L, and C (and wave frequency)
or is it simply just R (i.e. Z=R)? In other words does non-resistive
impedance (L + C) really only matter with an AC signal OR anytime
voltage varies periodically (even if it is all DC)?


Question #2:
Would a "regular" negative peak detector ciruit, like shown he

http://www.elektroda.net/cir/index/D...CTOR.htmgative


work for the DC Wave described? Will it output +5V or do negative peak
detectors only work for AC signals?

Thank you.


Question 1: A capacitor "capacitates" whether it sees
AC or DC. An inductor "inducts" whether it sees AC or
DC. A resistor resists whether it sees AC or DC. You
might find it beneficial to think of what happens to
each component on a component level rather than thinking
of total impedance. Understand what each component
does, and circuit impedance will make more sense.

Question 2: 404 file not found error
That said, you can peak detect on a varying DC
sine. As someone else said, its AC with a DC offset.

Ed