Useful tips for everyday
What is the best way to soundproof? Cover walls with thick blankets, moving pads, tapestries, or quilts. Virtually any soft material will work, though thicker…
How is Ethernet link detected? Point to point ethernet (not the old bus types) send link pulses to let the other end know something is…
How do you increase PSRR? A larger capacitor (COUT) causes PSRR to increase again at relatively lower frequency because it provides lower capacitive impedance (i.e.,…
What does 40VA mean on transformer? A 40VA transformer is rated for 40 VA or volt-amps on the secondary. For a typical 24 volt secondary,…
Can a Faraday cage block metal detector? Nope. A faraday cage will block emf radiation to or from the phone. But the cage us made…
Can use SMPS for amplifier? An SMPS can come with whatever voltage outputs you desire, there are plenty of dual rail (positive and negative) supplies…
What is an opto coupler and how isolation is achieved by optical coupling therein discuss its applications in instrumentation? Definition: An optocoupler or optoelectronic coupler…
Are rechargeable batteries better than alkaline? Rechargeable batteries work best in applications with long run times that operate at a constant discharge. Examples include toys,…
Why does my RCD keep tripping? RCDs trip when a fault is detected in an electrical circuit. When an RCD trips frequently (even after resetting),…
Do preamps sound different? The sound coloration of vintage and tube preamps can be vastly different. Some sound silky and smooth, others have a pleasant…