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Printed Circuit Board Design and Method

An apparatus and method for providing a vented blind via in pad of a printed circuit board (PCB). A vent in the blind via in pad to allow gases formed during reflow soldering to escape from the solder joint. In one embodiment, the vent extends from the outer edge of the pad to the blind […]

Powerful Headphone Amplifier Using OPA134

powerful headphone amplifier using OPA134. In addition to the IC OPA134, the circuit uses only few passive components and can easily generate a lot of sound from even the most inefficient headphones and there will be no compromise for the quality. OPA134 is low noise, low distortion operational amplifier from BURR-BROWN semiconductors and it is […]


BA1404 circuit diagram

charge coupled detector

charge coupled detector using 74C14, IRF640, Relay charge coupled detector circuit using 74C14, IRF640, Relay

How can i get Printed Circuit Board Design Standards?.While i am designing pcb layouts?

Rudra asked: This is regarding Electronics R&D Circuits. It’s must and should to follow some “IPC” standards those are designing circuits.I want that “IPC” standards freely. Anybody having that standards feel free forward it to my email id.

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