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Zero Cross
Detector Circuits
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Circuit
yields Accurate Absolute
Values:
07/05/01 EDN-Design Ideas /
PDF contains multiple
circuits - scroll to find
this circuit.
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Self Powered
Sine to Square Wave
Converter:
Converts sine to square
waves without a power-source
Useful as a test instrument
for audio purposes
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Time tag
impulses with zero crossing
circuit:
01/24/2002 EDN - Design
Ideas / A "constant-fraction
discriminator" usually
performs the time-tagging of
impulsive events, which have
a peaking time of the signal
amplitude. The
implementation of this
technique requires a delay
in the input signal of
approximately the same
amount as the signal's rise
time. You can attain this
delay by using a coaxial
cable of an appropriate
length. . |
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Unique
discrete zero-crossing
detector:
04/05/99 Electronic Design -
Ideas for Design / A
zero-crossing detector
delivers an output pulse
that synchronizes other
circuitry to the transitions
through zero volts of a
sinusoidal source for both
polarity excursions. This
detector, which. . . |
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