MCP2030-E/P Microchip Technology, MCP2030-E/P Datasheet - Page 41

• Manufacturer Part Number: MCP2030-E/P
• Description: 3D ANALOG TRANSPONDER (AFE), -40C to +125C, 14-PDIP, TUBE
• Manufacturer: Microchip Technology

FIGURE 5-5:
© 2005 Microchip Technology Inc.
0
Amplitude
Amplitude
Amplitude
Input Signal
Input Signal
Modulation Depth Examples.
(b) Input signal vs. minimum modulation depth setting vs. LFDATA output
(a) Modulation Depth Definition
7 mV
PP
10 mV
PP
Demodulated LFDATA Output when MODMIN Setting = 14%
Demodulated LFDATA Output if MODMIN Setting = 33%
t
Input signal with modulation depth = 17.64%
Coil Input Strength
Modulation Depth (%) =
t
t
t
B
(LFDATA output = not toggled)
(LFDATA output = toggled)
A
Modulation Depth (%) =
10 + 7
10 - 7
X 100% = 17.64%
MCP2030
A + B
A - B
DS21981A-page 41
X 100%