SPECIAL NOTICE: Please check each course for verification of approval before purchasing.
This test is based on the article, Digital Signals in Elevator Circuits, published in the October 2022 issue and counts as one contact hour (0.1 CEU) of elevator industry continuing education credit. Most courses are approved by NAEC for CET/CAT and NAESAI for QEI and in the following states: Alabama, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Mississippi, Missouri, Montana, Oklahoma, Pennsylvania, Vermont, Virginia, West Virginia, Wisconsin.
Learning Objectives:
After reading this article, you should have learned about:
- Mixed-signal systems
- Pixelation
- Analog and digital domains
- MOSFETs
- Two types of MOSFET used in CMOS configuration
Enrollment Procedures:
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take the exam.
- For articles, click the "Read Article" tab above to download and study the article. For other courses, be sure to purchase the corresponding book.
- Include your full name when purchasing the exam.
- Follow the instructions on the purchase confirmation page to log in to the Online Testing Center.
- If you scored 80% or above you can immediately print your certificate of completion. If you fail the exam, you will be given instructions on how to pay a re-take fee and take
the exam again.
