2sk1839.pdf Components Transistors 2sk - Service manuals, schematics, documentation, applications, datasheets, electronics
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Comparing dc/dc converters' noise - related performance
Noise in dc/dc converters can differ from device to device. An understanding of the main dc/dc-converter topologies and their noise-performance disparities can help. Details... more...
RF emissions and FCC Part 15: EMI woes and cures
My first exposure to EMI (electromagnetic-interference) measurement was in trying to make my multiport, unshielded-twisted-pair Ethernet-hub card comply with FCC Part 15 Class A in a multicard chassis that leaked RF like a sieve. Details... more...
Serendipity revisited: Fortuitous capacitor solves RF - reception problem in garage - door opener
A former radio-station engineer recalls how a capacitor in his pocket helped keep peace on the homefront. Details... more...