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Oscillator/Demodulator to Fit on Flexible PCB. Senior Design Team 181. www.transtekinc.com. (Re)Introduction. Team: Ryan Williams (EE) Jonathan Wolff (EE) Damon Soto (EE) Jason Meyer (EE) Advisor: Helena Silva (ECE) Trans- Tek Contacts: Mark Bennett Jeffrey Gladu. Outline. - PowerPoint PPT Presentation
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Senior Design Team 181
Oscillator/Demodulator to Fit on Flexible PCB
www.transtekinc.com
Team:• Ryan Williams (EE)• Jonathan Wolff (EE)• Damon Soto (EE)• Jason Meyer (EE)
Advisor: Helena Silva (ECE)
Trans-Tek Contacts:• Mark Bennett• Jeffrey Gladu
(Re)Introduction
• LVDT Background• Current Oscillator/Demodulator Model• Design Alternatives – Oscillator• Design Alternatives – Demodulator• Final Design• Goals• Progress• Timeline• Budget
Outline
• Consists of a 3-part transformer
• Secondary coils wired in subtractive configuration
• Position of core determines output voltage
• Linear relationship between core position and output voltage http://upload.wikimedia.org/wikipedia/commons/0/07/
Lvdt_how.gif
LVDTs
LVDTs
http://www.singer-instruments.com/sites/default/files/images/tutorials/how_lvdt_works_fig3.gif
LVDT Basics
The LVDT housing will be extended to contain the circuitry.
LVDT components:1. Stainless Steel Tubing/housing
(top)2. LVDT pushrod (bottom left)3. Core (bottom right)4. LVDT Windings (middle)