Electronic Enthusiasts Issue 66

FEATURES:
A Look at Audio Signal Processors & Effects
Cable Noise Sources
Driving Ceramic Transducers Wild
What’s So Special About Tube Amps?
Understanding Analog-To-Digital Conversion
REFERENCE:
Fundamental Frequency of Musical Tones
SMT Soldering Tips for the Hobbyists
Circuit Fair
IC Audio Amp Cookbook
Anatomy of Relay Drivers
CONSTRUCTION PROJECTS:
Audio Notch Filter
AC Line Monitor
LED Thermometer
Compact Function Generator
Multipurpose On/Off Timer
C/10 NICD/NIMH Battery Charger
OTHER ARTICLES:
Test, Measurement & Troubleshooting
Simple Transformer & Winding Test
Using the Oscilloscope’s X-Y Operation to Test Common Components
Quick and Easy Circuits for your Workbench