ring core

ring core

Antennas : Baluns

• Choking balun for 160-30 meter band - VK6YSF
  
  Choking balun for lower HF and MF bands 1 8MHz 10MHz Requiring a choking balun ...
  [ Hits: 197 | Votes: 3 | Rating: 6 ]
• 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 ]

• Beverage Transformers for HF Receiving Antennas - KK5JY
  
  This FAQ covers building and buying transformers for loop on ground and Beverage antennas Building ...
  [ Hits: 22 | Votes: 0 | Rating: 0 ]

• Chokes and Temperature changes - PA0NHC
  
  The influence of temperature changes in Common Mode Chokes To get an indication of the ...
  [ Hits: 46 | Votes: 0 | Rating: 0 ]

• Chokes and Isolation Transformers for Receiving Antennas - K9YC
  
  Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current which ...
  [ Hits: 60 | Votes: 1 | Rating: 9 ]

• The Great Ham Radio Desk Project - AB4BJ
  
  A great amateur radio shack desk done with a second hand solid core door measuring ...
  [ Hits: 433 | Votes: 2 | Rating: 8.5 ]

• HamAward - IW1FRU
  
  HamAward is a cloud based amateur radio logbook allowing multi operators multi station activities featuring ...
  [ Hits: 110 | 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 ]
• mini Ring-Core-Calculator - Calculate windings on ferrite cores - DG0KW
  
  The program can be used to calculate inductors coils and their number of turns on ...
  [ Hits: 400 | Votes: 1 | Rating: 1 ]

• Cabrillo Evaluator by W3KM - W3KM  ^updated
  
  Contest adjudication software scores Cabrillo logs Auto evaluates up to 2000 logs with duping claimed ...
  [ Hits: 2635 | Votes: 8 | Rating: 6.81 ]

• Analyzing SSB Signal Quality in CQ WW Contest - OH6LI
  
  This article investigates SSB signal quality during the CQ WW 2015 SSB contest It highlights ...
  [ Hits: 42 | Votes: 0 | Rating: 0 ]

• Mini Ring Core Calculator
  
  The easy way to calculate toroid cores.
  [ Hits: 2057 | Votes: 19 | Rating: 6 ]

• DIY EMC/RFI Mains Filter for a Clean Shack - M0PZT  ^updated
  
  Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...
  [ Hits: 158 | Votes: 2 | Rating: 9.5 ]

• How To Achieve Perfect PCB Soldering - Jim Smith
  
  Surprisingly although PCB soldering is the core process of electronics assembly few people do know ...
  [ Hits: 154 | Votes: 1 | Rating: 1 ]