Amplifier timer / Mohd Hanafi Zaidin and Azrel Assuad Arbai

This circuit turn-off an amplifier or any other device when a low level audio fed to its input is absent for 15 minutes at least. Pushing PI the device is the switched-on feeding any appliance connected to SKI. Input audio signal is boosted and squared by IC2 A & B and monitored by LED D4. when...

Full description

Saved in:
Bibliographic Details
Main Authors: Zaidin, Mohd Hanafi, Arbai, Azrel Assuad
Format: Student Project
Language:English
Published: 2003
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/50594/1/50594.PDF
https://ir.uitm.edu.my/id/eprint/50594/
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Universiti Teknologi Mara
Language: English