How to build Amplified Ear - circuit diagram

How to build Amplified Ear - circuit diagram
21.03.2016 | Audio
Circuit diagramParts:P1 22K Log. Potentiometer (see Notes)R1,R9 10K 1/4W ResistorsR2 1M 1/4W ResistorR3 4K7 1/4W ResistorR4,R7 100K 1/4W ResistorR5 3K9...

A Balanced Output Board For The Stereo DAC

A Balanced Output Board For The Stereo DAC
01.04.2016 | Audio
This add-on board is designed to provide a pair of balanced audio outputs for the High-Quality Stereo DAC (Digital to...

Vertical loop antenna (LOOP)

Vertical loop antenna (LOOP)
25.03.2015 | Shortwave antenna
According to my observations, the antenna is the "Windom" is rarely used by Amateurs. However, due to the lack of...

The five element YAGI on 20 meters

The five element YAGI on 20 meters
21.03.2015 | Shortwave antenna
Independent production of the antenna is not an easy task for Amateurs. Often the authors of the various antennas...

How to build Time Delay Relay II - circuit diagram

How to build Time Delay Relay II - circuit diagram
20.03.2016 | Clocks, timers, relays, load switches
DescriptionWhen activated by pressing a button, this time delay relay will activate a load after a specified amount of time.

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