toroid pro

21 links

Balun 1:4 UNBAL to BAL - qrpproject
How to wind toroids in making baluns using two pieces of 0 5 mm enameled ...

[ Hits: 431 | Votes: 2 | Rating: 5.5 ]
UniBalun: Lightweight Balun/UnUn PCB for QRP Radios (1:1, 1:4, 1:49) - DG1JAN
The UniBalun is a PCB for building a lightweight antenna transformer Balun or impedance converter ...

[ Hits: 63 | Votes: 1 | Rating: 1 ]

End-Fed 6-40 M Multiband Antenna - earchi
This project produces an inexpensive multiband end fed HF antenna matchbox quick and easy to ...

[ Hits: 1997 | Votes: 4 | Rating: 8.25 ]
End-Fed antenna for 17 and 12 meters - PA0ROB
Article about an end fed anntenna for the 17 and 12 WARC Bands 30 meters ...

[ Hits: 542 | Votes: 3 | Rating: 4.33 ]
G4WIF End Fed Half Wave Antenna - G4WIF
Opting for a visually appealing inverted L configuration G4WIF anchors the End Fed Half Wave ...

[ Hits: 121 | Votes: 1 | Rating: 9 ]

End-Fed HalfWave Matching Unit for SOTA operations - VK3IL
An end fed half wave antenna matching unit made of 3 24 turns ratio on ...

[ Hits: 259 | Votes: 0 | Rating: 0 ]

Do not wind chokes on red toroids! - iz2uuf
I happened to stumble across some antenna projects showing common mode chokes 1 1 baluns ...

[ Hits: 188 | Votes: 0 | Rating: 0 ]
RF Choke with Bifilar Windings - rjbono
This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...

[ Hits: 87 | Votes: 0 | Rating: 0 ]

HF Receive Antenna - K0EMT
This page describes a couple of parts box medicine bottle antennas that you can build ...

[ Hits: 192 | Votes: 2 | Rating: 3 ]

Anteny SP1BKS
Antenna manufacturer from Poland produce dipole wire antennas W3DZZ FD4 Windom and long wires baluns ...

[ Hits: 2636 | Votes: 4 | Rating: 3.5 ]

Communication Coil
Communication Coil Inc designs and produces custom high reliability Filter Networks RF Coils Chokes Inductors ...

[ Hits: 807 | Votes: 0 | Rating: 0 ]

Kits and Parts dot Com
Supplying Toroids Electronic Parts and Kits to Engineers Schools and Hobbyists Capacitos filters inductors qrp ...

[ Hits: 820 | Votes: 0 | Rating: 0 ]

Coil32 - Valery
Coil32 is a free coil inductance calculator that allows to calculate single layer and multi ...

[ Hits: 1571 | Votes: 6 | Rating: 7 ]
FT CALC 1.3 - Ferrite Toroidal Core HF Calculator - VK2WB
This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between ...

[ Hits: 285 | Votes: 1 | Rating: 2 ]

Online Toroid Multi Calculator - toroids.info
This website provide online calculator for several values about a large variety of toroids Freq ...

[ Hits: 213 | Votes: 3 | Rating: 5 ]

Ferrite information
Ferrite Toroidal Cores Magnetic Properties of Ferrite Materials EMI RFI Suppression Design Considerations Ferrite Beads ...

[ Hits: 13702 | Votes: 4 | Rating: 5 ]
Toroids - Some practical considerations - W1FB
Are you confused when it comes to using toroids The tips given in this article ...

[ Hits: 356 | Votes: 2 | Rating: 10 ]
RF Toroid Calculator - VK3CPU
This RF Toroid Calculator provides graphical calculator used to determine the inductance and other parameters ...

[ Hits: 102 | Votes: 2 | Rating: 10 ]

A compact 5 bands remote switchable BPF - ON7EQ
These band filters are based on 3 or 5 sections Butterworth band pass filters maintaining ...

[ Hits: 224 | Votes: 0 | Rating: 0 ]