Function Generator
The function generator is a versatile instrument that gives a
number of different waveforms at the output with their frequencies that can be
adjusted over a wide range. The most commonly used waveforms are sine wave,
square wave, triangular wave and the saw tooth wave. Different output signals
from the function generator may be available simultaneously.
Picture of Function Generator
The fig shows the block diagram of a function generator. Here
two constant current sources are used to feed the integrator circuit. When the
circuit is switched ON, the upper constant current source sends a constant
current into the integrator and the output of the integrator is connected to
comparator.
