Check out these easy to build projects from:
Mike Martell
N1HFX		Home Brewed in U.S.A.

 

	CW Tone Keyer				100Khz Crystal Calibrator
	5/4 Wave 2 Meter Antenna				Discrete Component Voltage Regulator
	70cm Collinear Antenna From Coax				12 Volt Gel Cell Charger
	10 Amp, 13.8 Volt Power Supply				Audio Speech Processor
	PL Tone Encoder Board				Thermal Fan Controller
	Improved PL Tone Encoder				40 Meter, 5 Watt QRP Transmitter
	Beef up Voltage Regulators				Transistor Audio Amplifiers
	Home Brew A Condenser Mike				IC Audio Amplifiers
	Simple Electronic Keyer				Basic VOX Circuit
	Easy Morse Code Keyer				Home Brew A 4 To 1 Balun
	Easy FM Keyer				Rechargeable CMOS Battery
	80 Meter, 5 Watt CW Transceiver				Variable Bandwidth CW Filter
	Simple Electronic S Meter				Adjustable Voltage Regulator

Check Out N1HFX's Circuit Design Articles:

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

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

N1HFX

This site has been visited

times since 5/25/99.

Back to the RASON Home Page