AC2 Fundamentals Unit 5 – Low- and High-Pass Filters
NEW TERMS AND WORDS
band - a range of frequencies.
dB per octave - decibels per octave (dB/octave); a 1 dB increase or decrease over a two-to-one
frequency range.
dB per decade - decibels per decade (dB/decade); a 1 dB increase or decrease over a ten-to-one
frequency range.
octave - a two-to-one or one-to-two ratio; a frequency factor of two. One octave is the doubling
or halving of a frequency.
decade - a ten-to-one or one-to-ten ratio; a frequency factor of ten.
rolled off - gradually attenuated, or decreased. A filter attenuates when its rejected frequencies
are rolled off.
EQUIPMENT REQUIRED
F.A.C.E.T. base unit
AC 2 FUNDAMENTALS circuit board
Oscilloscope, dual trace
Generator, sine wave