band pass filter59 links
Antennas : 40M : 40 meter Loop Antennas
- Receiving antenna for low bands
- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 18631 | Votes: 9 | Rating: 8.33 ]
- DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[ Hits: 535 | Votes: 0 | Rating: 0 ]
- ON4AOI Automatic Band Decoder
- Automaticaly select the correct antenna and bandpass filter, by ON4AOI
[ Hits: 1280 | Votes: 4 | Rating: 7.25 ]
- Array Solutions - WX0B
- Stacking and phasing HF and 6m arrays antenna switches and contesting devices. Custom low band antenna arrays, bandpass filters,commercial/Mil STd filters,microwave components, commercial broadcast filters.
[ Hits: 5511 | Votes: 10 | Rating: 6.2 ]
- Dunestar Systems
- Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.
[ Hits: 1354 | Votes: 2 | Rating: 1 ]
- PROCOM Antennas
- Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters
[ Hits: 5423 | Votes: 7 | Rating: 6 ]
- Heros Technology Ltd
- HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter
[ Hits: 511 | Votes: 2 | Rating: 10 ]
- A graphics-intensive bandpass filter program based on the helical resonator.
[ Hits: 1736 | Votes: 2 | Rating: 9 ]
- Free programmable DSP-Filter
- Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
[ Hits: 29289 | Votes: 83 | Rating: 5.8 ]
- 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: 5955 | Votes: 15 | Rating: 8.26 ]
- 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: 4585 | Votes: 2 | Rating: 10 ]
- 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: 1898 | Votes: 1 | Rating: 10 ]
- Interferences and filtering
- General information on Filter passbands, interferences, TVI and RFI problems
[ Hits: 1095 | Votes: 1 | Rating: 10 ]
- YCCC 6 Band Receive Bandpass filter
- This is a 6 band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands.
[ Hits: 1575 | Votes: 2 | Rating: 9.5 ]
- The NVARC Ugly Filter Project
- Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity
[ Hits: 901 | Votes: 4 | Rating: 9.5 ]
- Narrow Band-Pass filter for HF
- Band-pass filters can be critical components in
competitive stations. This setup may help
put your station on the map.
[ Hits: 2106 | Votes: 1 | Rating: 1 ]
- Clean Up Your Signals with Band-Pass Filters
- These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don't!
[ Hits: 2982 | Votes: 0 | Rating: 0 ]
- Clean Up Your Signals with Band-Pass Filters part 2
- Part 2 You're now much closer to saying
goodbye to your unwanted signal problems!
[ Hits: 1166 | Votes: 0 | Rating: 0 ]
- Hombrewing an HF Transceiver
- This page will describe the construction of a multi band SSB transceiver with all its components Band Pass Filter, Oscillator/Modulator unit, RX/TX Mixer TX Amp I.F. Amplifier AGC VFO Driver amplifier Receive audio amplifier Final amplifier Low pass filter Digital display and VFO stabiliser
[ Hits: 4293 | Votes: 6 | Rating: 8.33 ]
- TVI and BCI Filters
- TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.
[ Hits: 4181 | Votes: 6 | Rating: 5 ]
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