RE: LCD Current Meter

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Thomas <tom-at-pwrcom-dot-com.au> 

 > Original poster: Ed Phillips <evp-at-pacbell-dot-net>
 >
 > Tesla list wrote:
 >  >
 >  > Original poster: Thomas <tom-at-pwrcom-dot-com.au>
 >  >
 >  > Rectified AC will give you a peak value, don't forget to
 > scale it to RMS
 >  > (assuming sine wave) = Vp/SQRT(2)
 >
 > 	That depends on the meter circuit following the rectifier.  Your
 > statement is true if it has a time constant long compared to
 > the period
 > of the AC being rectified.  If the time constant is short (for example
 > meter with only a multiplier resistor) the reading is the
 > average value.
 >

True. I was assuming a well smoothed (long time constant) DC o/p from the
rectifier.
Tom.