Bits and Pieces - Krimskrams

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Air-dielectric variable capacitor / Alter Drehkondensator

»   Variable Capacitor

DIY PCB

»   Selfmade Circuit Boards

LT5517 tests

»   IQ Mixer Experimental Board

Mechanical Filter

»   Collins 455 kHz Filter

RF Toroidal Cores

»   RF Iron Powder Toroidal Cores

Vintage Quartz

»   Vintage Telefunken Quartz

Coil Inductance

»   Coil Inductance Calculation

Corona Photograpy

»   Corona Discharge Images

Tube/Valve Literature

»   Tube Literature

MCU Programmer

»   DIY μC Programmer

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