The Radio Amateur Society of Norwich
P.O. Box 329
Norwich, Connecticut 06360
ARRL
  
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Welcome to the Radio Amateur Society of Norwich

Project Page

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CW Tone Keyer

 Tone Keyer  

100Khz Crystal Calibrator

 Crystal Calibrator

5/4 Wave 2 Meter Antenna

 2 Meter Antenna  

Discrete Component Voltage Regulator

 Voltage Regulator
70cm Collinear Antenna From Coax
 70cm Collinear Antenna  

12 Volt Gel Cell Charger

Gel Cell Charger
10 Amp, 13.8 Volt Power Supply
13.8 Volt Power Supply  

Audio Speech Processor

Speech Processor
PL Tone Encoder Board
Encoder Board  

Thermal Fan Controller

Fan Controller
Improved PL Tone Encoder
 

40 Meter, 5 Watt QRP Transmitter

5 Watt QRP Transmitter
Beef up Voltage Regulators
Voltage Regulator  

Transistor Audio Amplifiers

Audio Amplifiers
Home Brew A Condenser Mike
Condenser Mike  

IC Audio Amplifiers

IC Audio Amplifiers
Simple Electronic Keyer
Electronic Keyer  

Basic VOX Circuit

VOX Circuit
Easy Morse Code Keyer
Code Keyer  

Home Brew A 4 To 1 Balun

4 To 1 Balun
Easy FM Keyer
FM Keyer  

Rechargeable CMOS Battery

CMOS Battery
80 Meter, 5 Watt CW Transceiver
CW Transceiver  

Variable Bandwidth CW Filter

CW Filter
Simple Electronic S Meter
Electronic S Meter  

Adjustable Voltage Regulator

 Regulator

Check Out N1HFX's Circuit Design Articles:

Designing Bipolar Transistor Audio PreAmps

Preamps

Designing JFET Transistor Audio PreAmps

JFET Preamps

Designing Op Amp IC Audio PreAmps

IC Preamps

Switching Regulator Basics

 Regulator Basics

Using Transistors As Switches

 Transistors As Switches

If you have questions or comments on these projects send email to:

N1HFX

 

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