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VI.
2. Theory
THEORY OF OPERATION Modulation. with amplitude modulathe~actual theory of of a civen
of ,implitude
A review of the definitions associated tion is in order before proceeding to this monitor. Fi&.re 3a shows amplitude as it
an unmodulated R.F. carrier wave would ap,pear on an oscilloscope.
Fig. Figure 3b shows used to modulate
3a.
frequency which will be
a sine wave of audio the carrier.
Fig. Figure 3c shows sine wave audio a carrier freouency.
3b, modulated with one cycle of the
Fig..3c.
3/19/59
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