Thursday, February 10, 2011

RASON Projects and Designs

Designing Bipolar Transistor Audio PreAmps, Designing JFET Transistor Audio PreAmps, Designing Op Amp IC Audio PreAmps, Switching Regulator Basics, Using Transistors As Switches.

RASON Projects Page - Amateur Radio
  • 10 Amp, 13.8 Volt Power Supply
  • 12 Volt Gel Cell Charger
  • Thermal Fan Controller
  • Transistor Audio Amplifiers
  • 12 Volt Gel Cell Charger
  • Switching Regulator Basics
 Homebrew A 4 To 1 Balun
Homebrew A 4 To 1 Balun

Many modern HF transceivers come fully equipped with built in tuners. While these tuners are great for changing bands, the manufacturers left out a very important accessory; the 4 to 1 balun. With out a balun the transceiver can only feed an antenna which uses coaxial cable.

The Radio Amateur Society of Norwich

The Radio Amateur Society of Norwich
P.O. Box 329 - Norwich, Connecticut 06360

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