I hope you find these projects interesting and rewarding. Check back often, because I'm always building a new gizmo of some kind!
|NOTE: 'N5FC' is my former call. |
These projects were constructed while that call was valid, and you may observe references to it.
Experiments with RF Noise Generators... really useful gadgets
The Classic RF Probe...what it is, and how to build it and use it
The Ballpoint RF Probe...suitable for use with surface mount, too
A 25 Watt HF Dummy Load...light, compact, and inexpensive
A 5 Watt QRP HF Dummy Load...rugged and very well shielded
A 5 Watt QRP HF Dummy Load..with a built in detector for power measurement
An Inline 5 Watt 10-db Attenuator..switch readily from QRP 5-W to QRPp 1/2-Watt
An Inline 5 Watt 0 thru 35 db Attenuator..flexibility for your milliwatting adventures
A Crystal Checker..an indispensible homebrewing aid
A Zero-Beat Tuning Aid...for tone-deaf ops like me
Another Zero-Beat Tuning Aid...this one, available as a kit
A QRP 1:1 Current Balun...for balanced feedlines
A QRP 1:4 Current Balun... a impedance step-up balun
A Low Battery Warning Gizmo... lights up before it's "too late"
A Hobbyist's Frequency Reference... stable, trimmable, compensated 10, 5, and 2.5 MHz
Junkbox Capacitor Checker... measure caps from 1-4000 pF
Junkbox Inductance Meter... measure coils and toroids from 0.3 - 65 uH
40 dB Tap Attenuator... extend the range of your digital RF power meter
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