n1hfx

13 links

9 dB 70cm Collinear Antenna - Build A 9 dB UHF Collinear Antenna From Coax By N1HFX
[ Hits: 3741 | Votes: 26 | Rating: 6.68 ]

Homebrew A 4 To 1 Balun - How to build a to 1 balun by N1HFX
[ Hits: 12245 | Votes: 12 | Rating: 6.49 ]

Transistor Audio Preamplifier Circuits - Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX
[ Hits: 1815 | Votes: 3 | Rating: 4.33 ]
A Potpourri of Audio Amplifiers - A collection of audio amplifier projects by N1HFX
[ Hits: 585 | Votes: 0 | Rating: 0 ]
Integrated Circuit Audio Amplifiers - Circuit designs for IC audio amplifiers by N1HFX
[ Hits: 421 | Votes: 0 | Rating: 0 ]
Design Guidelines for JFET Audio Preamplifier Circuits - Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX
[ Hits: 645 | Votes: 4 | Rating: 1 ]

Build a Vox Circuit - by Mike Martell N1HFX
[ Hits: 5004 | Votes: 22 | Rating: 5.19 ]
Improved PL Tone encoder - N1HFX project to improve PL tone encoder providing a more stable frequency
[ Hits: 583 | Votes: 0 | Rating: 0 ]
Thermal cooling fan controller - N1HFX thermal coolin fan controller project
[ Hits: 443 | Votes: 2 | Rating: 10 ]

The Adjustable Voltage Regulator - N1HFX article on adjustable voltage regulator
[ Hits: 1613 | Votes: 1 | Rating: 7 ]
Switching Regulator Basics - Switching Regulator Basics By Mike Martell N1HFX
[ Hits: 433 | Votes: 0 | Rating: 0 ]

Designing Op Amp Audio PreAmplifiers - Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX
[ Hits: 1642 | Votes: 4 | Rating: 3.25 ]