13.9C: The Wien Bridge
( \newcommand{\kernel}{\mathrm{null}\,}\)
Figure XIII.11
This bridge can be used for measuring frequency.
The reader will, I think, be able to show that
R4R3+C3C4=R2R1
and
ω2=1R3R4C3C4
( \newcommand{\kernel}{\mathrm{null}\,}\)
Figure XIII.11
This bridge can be used for measuring frequency.
The reader will, I think, be able to show that
R4R3+C3C4=R2R1
and
ω2=1R3R4C3C4