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PIC16F636-I Datasheet, PDF (110/234 Pages) Microchip Technology – 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
PIC12F635/PIC16F636/639
FIGURE 11-7:
Amplitude
MODULATION DEPTH EXAMPLES
(a) Modulation Depth Definition
Modulation Depth (%) =
t
BA
A - B X 100%
A
Amplitude
(b) LFDATA Output vs. Input vs. Minimum Modulation Depth Setting
7 mVPP
10 mVPP
Coil Input Strength
Modulation Depth (%) =
t
10 - 7 X 100% = 30%
10
Amplitude
0
Input signal with modulation depth = 30%
Demodulated LFDATA Output when MODMIN Setting = 25%
t (LFDATA output = toggled)
Demodulated LFDATA Output if MODMIN Setting = 50%
(LFDATA output = not toggled)
t
DS41232D-page 108
© 2007 Microchip Technology Inc.