band pass filters
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Antennas : Beverage- Beverage switching box
- Sharing beverage antennas with this switch boxes is possible.
This article describes a 6-position remote antenna switch for Beverage antennas on 3 bands (160m, 80m, 40m). It allows selecting one of 6 antennas for each band without affecting other receivers. The system uses a control box with a rotary switch and a separate splitting box with bandpass filters for each band.
[ Hits: 5507 | Votes: 3 | Rating: 4.33 ]
- DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[ Hits: 631 | Votes: 0 | Rating: 0 ]
- 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: 5704 | 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: 1471 | 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: 5600 | Votes: 7 | Rating: 6 ]
- Heros Technology Ltd
- HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter
[ Hits: 602 | Votes: 2 | Rating: 10 ]
- 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: 4902 | Votes: 2 | Rating: 10 ]
- FilterCAD
- A free computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs. With FilterCAD, you can design lowpass, highpass, bandpass and notch filters
[ Hits: 11767 | Votes: 28 | Rating: 5.03 ]
- AADE Filter Design
updated
- Dowwnload this free windows programs to design Butterworth, Chebyshev, Elliptic (Caur), Bessel, Legendre and Linear Phase low-pass, high-pass, band-Pass, and band-reject filters. Coupled Resonator band-pass filters
[ Hits: 24848 | Votes: 114 | Rating: 7.17 ]
- 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: 2305 | Votes: 3 | Rating: 4.67 ]
- 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: 1035 | 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: 2563 | 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: 3620 | 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: 1361 | Votes: 0 | Rating: 0 ]
- Band-Pass Filters for HF Transceivers
- Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?
[ Hits: 4344 | Votes: 3 | Rating: 6.33 ]
- Interdigital bandpass filter designer
- Fill out the form to design a bandpass filter as described in the January 1985 issue of Ham Radio Magazine. These filters are generally limited to frequencies above 200 MHZ because their size is slightly longer than 1/4 wavelength
[ Hits: 1116 | Votes: 6 | Rating: 7.67 ]
- Bandpass and I.F. Filters
- On this page a popcorn highpass filter, some inductors and their Q , double tuned bandpass filters and simple Cohn Crystal ladder IF filters are presented.
[ Hits: 900 | Votes: 0 | Rating: 0 ]
- W3LPL Receiving Bandpass Filters
- Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT
[ Hits: 1082 | Votes: 0 | Rating: 0 ]
- Using Band-Pass Filters
- Clean Up Your Signals with Band-Pass Filters
[ Hits: 733 | Votes: 0 | Rating: 0 ]
- TVI and BCI Filters
- TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.
[ Hits: 4329 | Votes: 6 | Rating: 5 ]
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