Filter
349 links - and 5 categories
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Manufacturers : Filters- Anatech Electronics
- Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.
[ Hits: 282 | Votes: 1 | Rating: 10 ]
- FT-847 Roofing Filter Mod
- The mod requires an INRAD 45,705 MHz Crystal Roofing filter and the IC-765 add-in Board
[ Hits: 403 | Votes: 1 | Rating: 1 ]
- How to install FT-857 CW Filter
- How to add the YF-122CN 300 Hz CW filter or YAESU XF-119SN 2,3 Khz SSB filter in the Yaesu FT-857
[ Hits: 247 | Votes: 12 | Rating: 9.25 ]
- Yaesu FT-950 and FT-2000 Roofing Filter Optimization
- Yaesu FT-950 and FT-2000 Roofing Filter Optimization and Improvement Project
[ Hits: 444 | Votes: 0 | Rating: 0 ]
- SOTA Spotter
- SOTA Spotter is an application written for devices running Android™ versions 4.0.3 and above (like smartphones and tablets). It can send spots, filter and trigger notifications for incoming spots.
[ Hits: 604 | Votes: 3 | Rating: 9.67 ]
- GQRX
- GQRX is a free and simple to use SDR receiver which runs on Linux and MacOS X. GQRX comes with a standard FFT spectrum and waterfall display and a number of common filter settings
[ Hits: 1077 | Votes: 2 | Rating: 5.5 ]
- FIlters calculator
- Passive Band-Pass Filter, low-pass filter calculator
[ Hits: 418 | Votes: 3 | Rating: 2.33 ]
- Use Band Pass Filters to clean up Signals
- Clean Up Your Signals with Band-Pass Filters, a two-parts article published in this PDF file from a June 1998 QST article
[ Hits: 787 | Votes: 1 | Rating: 1 ]
- SSB Microphone Filter
- Build this circuit to tailor your microphone response to different band conditions. A project by KG4JJH
[ Hits: 467 | Votes: 1 | Rating: 1 ]
- TVI Filters
- High pass filter schematics for TVI and examples of finished filters
[ Hits: 1006 | Votes: 5 | Rating: 7.6 ]
- Using Inrad Xtal filter
- Using the Inrad 200 Ohm 9 MHz Crystal Filter with the Progressive Receiver
[ Hits: 317 | Votes: 2 | Rating: 6 ]
- Characterizing a Bencher YA-1 Filter
- Testing a Bencher YA-1 low-pass TVI filter with a spectrum analyzer with tracking generator.
[ Hits: 220 | Votes: 0 | Rating: 0 ]
- Fixing a 2 meter TVI Problem
- Fix VHF TVI problems usign a quarter wave stub filter
[ Hits: 274 | Votes: 0 | Rating: 0 ]
- TVI filters
- Examples of absorbtive low-pass filters in which the unwanted high-frequency energy is separated from the wanted output and then dissipated in matched resistors
[ Hits: 356 | Votes: 0 | Rating: 0 ]
- TVI Filters for 2m and 70cm
- The TVI filters described in this page worked very well in curing a TVI problem on 2m abd 70cm
[ Hits: 371 | Votes: 1 | Rating: 10 ]
- Television Notch Filters
- Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
[ Hits: 454 | Votes: 2 | Rating: 3 ]
- RF Sweep Generator
- Notes about generating RF sweep signals on the Arduino for filter testing, a digital version of the old Wobbulator concept
[ Hits: 856 | Votes: 0 | Rating: 0 ]
- RF Sweep Generator
- Hand made RF sweeper made to adjust the pass band of crystal filter
[ Hits: 538 | Votes: 0 | Rating: 0 ]
- A Heterodyne Sweep Generator
- A Simple unit which can be used to plot the Response of IF Filters and IF Channels
[ Hits: 826 | Votes: 4 | Rating: 4 ]
- Simple Hartley Sweeper
- This sweeper built for a narrow bandwidth filter adjustment, use a simple 555 version sawtooth wave generator.
[ Hits: 761 | Votes: 0 | Rating: 0 ]
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