Abstract
A laboratory project which uses infrared transmission techniques with amplitude modulation for voice communication, is discussed. The aim is to introduce the design for an AM transmitter/receiver which uses an infrared LED and photodetector for infrared transmission and detection of voice signals. The infrared receiver consists of a photodetector connected to an op-amp for current-to voltage connection. The student learned the way to reduce noise levels by using bandpass filtering.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 575-580 |
| Number of pages | 6 |
| Journal | ASEE Annual Conference Proceedings |
| State | Published - Dec 1 1996 |
All Science Journal Classification (ASJC) codes
- General Engineering
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