PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 110

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC12F635/PIC16F636/639
FIGURE 11-7:
DS41232D-page 108
0
Amplitude
Amplitude
Amplitude
MODULATION DEPTH EXAMPLES
(b) LFDATA Output vs. Input vs. Minimum Modulation Depth Setting
(a) Modulation Depth Definition
7 mV
PP
10 mV
PP
Demodulated LFDATA Output when MODMIN Setting = 25%
Demodulated LFDATA Output if MODMIN Setting = 50%
t
Input signal with modulation depth = 30%
Coil Input Strength
Modulation Depth (%) =
t
t
t
B
(LFDATA output = not toggled)
(LFDATA output = toggled)
A
Modulation Depth (%) =
10 - 7
© 2007 Microchip Technology Inc.
10
X 100% = 30%
A - B
A
X 100%