Harmonic generating circuit.
Another common method is to
fundamental signal to a
reactor. The symbol of this
is shown in figure 3.
b. When a signal is applied to
these non-linear devices, the output
is rich in harmonics.
Each of the
by the value of the original signal.
For example, the harmonics of a 4 kHz
signal are; 8 kHz, 12 kHz, 16 kHz, and
The desired signals are
in figure 3. The selected signals, in
turn, can develop additional signals
if they are applied to a modulating
circuit as shown in figure 4.
(square) waves because they are rich
in odd harmonics. One technique is to
make a signal source control the
One source can produce
shown in figure 5.