about band filter on dxzone.com
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- Radio Filters.Com
- Low Cost FM Notch Filters: Radio Filters.com, manufactures frequency control products including band pass, notch, reject, electronic filters
[ Hits: 644 | Votes: 6 | Rating: 6.83 ]
- DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[ Hits: 435 | Votes: 0 | Rating: 0.00 ]
- ON4AOI Automatic Band Decoder
- Automaticaly select the correct antenna and bandpass filter, by ON4AOI
[ Hits: 1079 | Votes: 4 | Rating: 7.25 ]
- Kiwa Electronics
- Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast. Our products include Filter Modules to improve receiver performance, a High Performance Medium Wave Air Core Loop Antenna for improved broadcast band reception, the Pocket Loop Antenna, the Earth Monitor, BCB Rejection Filter and Broadband and SW Preamps. We also offer numerous performance upgrades for popular receivers.
[ Hits: 2412 | Votes: 4 | Rating: 8.50 ]
Software : Morse Code Decoders Software : Radio Control Technical Reference : Filters
- Free programmable DSP-Filter
- Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
[ Hits: 25902 | Votes: 75 | Rating: 5.68 ]
- EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible.
It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.
[ Hits: 6701 | Votes: 9 | Rating: 6.23 ]
- Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable
[ Hits: 5073 | Votes: 14 | Rating: 8.14 ]
- WD6CNF DSP Filter
- Audio Digital Filter, two bandpass filters, three notch filters, two noise filters
graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal,
Microphone input, speaker output
Mono, 5 kHz bandwidth
[ Hits: 4436 | Votes: 2 | Rating: 10.00 ]
Technical Reference : HF Radios
- TVI and BCI Filters
- TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.
[ Hits: 3802 | Votes: 4 | Rating: 5.00 ]
- Variable bandwidth cw filter
- As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception
[ Hits: 928 | Votes: 3 | Rating: 4.33 ]
- A diode-switched band-pass filter
- High speed silicn diodes work well as RF switches. This article describes how to use diodes for selecting two or more filters ARRL QST article by W1FB
[ Hits: 1226 | Votes: 1 | Rating: 10.00 ]
- Band filters by PA9M
- Band filters for PA6Z made by PA9M, designed by W3NQN.
[ Hits: 210 | Votes: 1 | Rating: 9.00 ]
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