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Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists

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Trimmer Capacitors
NPO Disc Capacitors
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WA2EBY Toroid Kit
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"The Toroid King"


Latest additions to our Inventory

T41 K9HZ LPF toroid kit

Discrete Audio Amp Kit

Back In Stock! - BS170 MOSFET by Onsemi (prime parts)

SWR Bridge kit - Back in stock!

T41 Transceiver full toroid kit

Back In Stock! - W3NQN and WA2EBY filter kits

Tutorials for ATtiny AVRs and ASM and Si5351A clock chip Kits

Custom Double Balanced Diode Ring Mixer

ADE-1 Double Balanced Diode Ring Mixer

Hybrid Cascode IF Amplifier with AGC


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Toroids, Ferrites