af filter12 links
- Joe Tracker Ham Radio eBay Auction Price Tracker
- Ham radio equipment eBay prices, adjusted for trends, filtered for accessories, leaving only condition and auction terms to affect the final price. Also direct links to auctions, searches and recommended sites for research, plus amateur radio station rigs, projects and antenna farm.
[ Hits: 930 | Votes: 3 | Rating: 9.67 ]
- Audio CW Filter
- A very effective AF Adaptor, with built-in noise blanker and 30 Hz CW filter modules by PA0LQ
[ Hits: 1242 | Votes: 3 | Rating: 5.67 ]
- Elecraft K2 Improving CW Filter
- Here is a cheap and simple way to significantly improve the K2 CW filter(s). With this mod, even strong signals will fade to black as they tune out of the filter pass band
[ Hits: 344 | Votes: 0 | Rating: 0.00 ]
- K2 Change 20 30m band filter
- Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation
[ Hits: 140 | Votes: 0 | Rating: 0.00 ]
- Elecraft K2 - Narrow Bandpass Filter
- This note covers narrowing the K2\'s 40M bandpass filter to cover the narrower 40M band and reject strong out of band broadcast interference
[ Hits: 197 | Votes: 0 | Rating: 0.00 ]
- AF Filter for FT-897D
- AF Filter modification for the Yaesu FT-897D by Petr OK1FIG
[ Hits: 3157 | Votes: 2 | Rating: 5.00 ]
- A freeware program to dig out weak signals buried in noise, functionally similar to the excellent FFTDSP of AF9Y, but with the added bonus of real time audio filtering of the incoming signals. Just point and click with the mouse, and the selected signal will stand out from the QRM and noise.
[ Hits: 6734 | Votes: 3 | Rating: 5.00 ]
- DXCluster for iPhone
- DXCluster let you know in real time who is on the frequencies and where it was listened the last time.
It let you create filters to only see which frequency/CQ Zone/ITU Zone and/or Country and after that you can have an alarm corresponding to a specific Zone or a specific country that raise a popup
[ Hits: 1267 | Votes: 4 | Rating: 7.75 ]
- SSB and CW Filter
- A pdf file with schematics of an ssb and cw filter AF amplifier
[ Hits: 1703 | Votes: 2 | Rating: 6.00 ]
- A CW Sidetone Bypass
- A CW sidetone bypass for the NESCAF audio filter, a small and low cost circuit that works great.
[ Hits: 336 | Votes: 0 | Rating: 0.00 ]
You can try similar termsam filter low pas filter hf filter mic-filter dsp-filter nf filter lp filter air filter filter lpf 0 30 mhz filter lpf filter rc filter filter emi filter ssb filter
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