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A Cost Effective Current-mode 1:1 Balun


A cost effective current-mode 1:1 balun can be constructed from a length of coax
post 26 Apr 2024
A Cost Effective Current-mode 1:1 Balun

Toroid & balun Links

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Balun HF 4:1
Un balun 1:4 realizzato per alimentare una windom 40 20 e 10 metri

Simple balun
With these three wires I made 18 windings around the ferrite rod

A balun using ferrite rod
so here's some tips to help you make 1:1 and 4:1 current type Baluns that will save you some cash! You need

Constructing a 6:1 RF transformer
These notes primarily relate to the construction of 4:1 Unbalanced to Unbalanced, Ruthroff voltage transformers UnUn, where one end of the windings are connected to ground


5W CW transceiver kit

5W CW transceiver kit A feature-packed,high performance, single-band 5W CW transceiver kit, with WSPR beacon

Kits and Components

Amateur radio kits by Kanga US

50MHz to 28MHz RX Converter

50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal