Digital Interconnection & Timing Tutorial

High Quality very simple unit -- No need for a preamplifier Can be directly connected to CD...

The circuit is built around an LM339 quad comparator, Ul, which forms the basis of a Schmitt...

By mixing an audio signal with ultrasound, you can hear the audio as if it's inside your head......

This circuit uses the +5 V reference output and the op amp to level shift and amplify the 2.1...

While they have been with us for many years, fluorescent lamps remain somewhat mysterious to most...

This is a simple ceiling fan regulator circuit diagram. It is used to control the speed of a...

The CGS89 is a sequencer designed for delivering pulsed or gated events, for rhythm and...

Zero crossing detector(ZCD) is a voltage comparator that switches the output between +Vsat and...

This circuit allows a smaller control voltage to inversely linearly control a larger output...

Repair a Samsung SCR-3000 DVR COMBO for my security system. I`ve replaced 3 capacitors which were...

One of the drawbacks of a three-pin voltage regulator is that the input voltage needs to be 2. 5...

Even though this CW transmitter circuit was published in 1955 in Popular Electronics, it is still...

Since the transmission circuit inductive wireless headset must be fixedly mounted on a wall or...

As shown in FIG grounds TDA6103Q and color picture tube composed of the actual application. R,...