3.
Tuning
During the setup process, tuning parameters are adjusted using slide bars that are dragged using the
mouse. For fine tuning, click on the
Slider
and use the left-right arrow keys to adjust the parameter value.
In order to tune the design-time parameters, select the
Setup
tab in Aurea and press the
3D
Parameterization
button.
Figure 3-1. Aurea Parameterization
The
Aurea Setup
tab has two top-level menu items on the left:
•
Basic
– Allows basic setup of the Analog Front-End by mapping the receive electrodes to the
MGC3140 receive pins. This feature provides Printed Circuit Board (PCB) layout flexibility.
•
Extended
– Allows detailed tuning.
Figure 3-2. Setup - Basic Menu
3.1
Electrode Mapping
The Analog Front-End (AFE) settings comprising of Electrode Selection and Electrode Mapping can be
modified on this page. They adjust the connection between the MGC3140 and the external electrodes.
The settings are adjusted using the corresponding radio buttons or sliders.
•
Electrode Selection
The optional Center electrode can be enabled or disabled by checking the four electrodes (no
Center) or five electrodes (with Center) check boxes.
MGC3140
Tuning
©
2018 Microchip Technology Inc.
User Guide
DS40002055A-page 5
