ferrite core bulan

Coil Designer - Mk 2 - This page lets you do calculations for single layer air cored coils using the solenoid formula

1:6 Balun for HF - PD2HFE project of a 1:6 Balun for HF Bands using a T-200 toroid core

Core Baluns - About core baluns, measurementes, basic theory and calculations

1:6 Balun for the HF bands - 11 wdg bifilar on Amidon T 200-2 Toroid core

Air Cored 1:1 HF BALUN - An air cored 1:1 balun for 3.5 to 30.0 MHz

4:1 balun project - CVARC 4:1 Balun Project Kit by AE6YC

4:1 Dual ferrite bead balun - The Dual-Ferrite-Bead 4:1 HF Balun, some preliminary measurements

The Dual-Ferrite-Bead 4:1 HF Balun - A pdf document about the dual ferrite bead 4:1 balun, some preliminary measurements

Ferrite rod antennas - Ferrite rod antenna or aerial, a form of RF antenna that is widely used in RFID and transistor radio applications.

Ferrite Rod Antenna - Ferrite rod antenna or aerial, a form of RF antenna that is widely used in RFID and transistor radio applications.

CT1BOH Contest Results - Past results and scores of popular ham radio contests collected by CT1BOH

WY4Y Zebulon Contesting and Awards Club - The primary objective of ZCC is to promote Amateur Radio use by awarding members for achievements in the Awards section. Free membership and awards program. Scores and awards posted on our web site.

CWS Coil Winding Specialist - Manufacturer of transformers, inductors coils and chokes. Custom winding, EMI / RFI Filters, Antenna Windings on ferrite rod, Antenna Winding on phenolic. Any antenna coil designs.

Misek Antenna Research - Publisher of The Beverage Antenna Handbook. Supplier of transformer cores, clips and FET's used in Beverage Antenna construction.

Taiyo Yuden - Ceramic capacitors, inductor ferrite products, high frequency dielectric components like chip antenna and filters.

Epcos - Manufacture capacitors, sensors, diodes, varistors, chokes, inductors, ferrites and accessories

Cobham Microwave Priority listing - Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.

Balloon or kite antenna? Why not - Balloon antennas, mainly about using 2 balloons instead of one for a vertical antenna.

QRP 1:1 Current-type Balun for Portable Use - A ferrite-loaded coaxial RF choke which just happens to yield the same result as a 1:1 current balun

Chushcraft A3S - Simple Balun Support - A method for supporting a balun on a Chushcraft A3S antenna. This allows the balun to be isolated from the boom, thus reducing the effect of introduction of reaction with the balun core.

NSW GRN Scan - Digital APCO 25 talkgroup and scanning information. Includes information on fire, RFS, SES, ambulance, police, emergency and rescue services.

Sovtube.com - Russian Radio components - Russian Tubes, Capacitors , Resistors , Ferrites Sockets and other components

Ferrite for RFI - Ferrite cores for RFI Suppression

A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite

Ferrite in EMC applications - Electro-magnetic compatibility EMC issues arise when electronic systems interact in an un-desired way