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Filters
133 links
and 2 categories
about Filters on dxzone.com
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Site listings
Manufacturers : Accessories
- Radio Filters.Com
- Low Cost FM Notch Filters: Radio Filters.com, manufactures frequency control products including band pass, notch, reject, electronic filters
[Hits: 568 | Votes: 6 | Rate: 6.83] - K-Com -- Telephone RFI Filters
- Telephone RFI filters
[Hits: 832 | Votes: 6 | Rate: 6.17] - TX RX Systems Inc
- TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
[Hits: 1014 | Votes: 3 | Rate: 6.00] - DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[Hits: 355 | Votes: 0 | Rate: 0.00] - Idiom Press
- CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.
[Hits: 1903 | Votes: 1 | Rate: 9.00] - DCI Digital Communications Inc.
- Filters, Duplexers, Combiners Bi-Directional Amps
[Hits: 457 | Votes: 3 | Rate: 7.00] Manufacturers : Amplifiers
- RFAC Solutions
- RF Connectors Cable Assembly Attenuators Filters High Power VHF Amplifiers, Adapters MMCX MCX SMA SMB SMC BNC TNC N from RFAC Solutions
[Hits: 918 | Votes: 3 | Rate: 9.00] Manufacturers : Antenna Analyzers
- ARTRA QRP Kits
- Lots of homebrew kits, you can buy kits or download as free, Association des Réalisation et Techniques RadioAmateurs. Transceivers, filters, converters, frequency meters, antenna analyzers, ATV receivers, interfaces
[Hits: 6665 | Votes: 1 | Rate: 3.00] Manufacturers : Antenna Tuners
- Heinz Bolli AG
- Antenna tuners, components, filters and baluns manufacturer based in germany
[Hits: 1915 | Votes: 3 | Rate: 10.00] Manufacturers : Antennas : HF : Active antennas
- Ameco
- Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
[Hits: 1377 | Votes: 0 | Rate: 0.00] Manufacturers : Antennas : VHF UHF Microwave : Satellite antennas
- 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: 4370 | Votes: 6 | Rate: 6.00] Manufacturers : Digital and Packet Radio
- Communication Concepts, Inc.
- Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV
[Hits: 1666 | Votes: 3 | Rate: 5.33] Manufacturers : Filters
- Radiofilters
- Radio Filters manufactures low price fm notch filters.
[Hits: 410 | Votes: 1 | Rate: 10.00] - International Crystal Manufacturing Company
- International crystal manufacturing provides quartz crystals, oscillators, precision crystals, filters, tcxos / vctcxos, qcm crystals, and other frequency control products. read details about our crystals and frequency control products and services.
[Hits: 596 | Votes: 2 | Rate: 5.50] Manufacturers : Receivers
- Sherwood Engineering Inc.
- Cooling kits, drake filters, speach processors, audio switch boxes, synchronous AM detectors,
[Hits: 759 | Votes: 3 | Rate: 4.00] Manufacturers : Test Equipment : Power Meter
- Telewave
- Telewave's innovative engineering produces the industry's toughest antenna systems. Yagi, Fiberglass Collinear, and Dipole models are available from 66-2500 MHz. Wattmeters, test equipment,rf power meters, duplexers, filters and cavities, transmitters combiners
[Hits: 1250 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Transceivers : Yaesu FT-857
- Yaesu FT-857 & FT-897 filters
- Filters for Yaesu Radios
[Hits: 2324 | Votes: 2 | Rate: 8.50] - Installing the FT-857 options
- Installing The FT-857 Options by Dave Fifield AD6A March 2003, some photos showing the procedure to install the optional filters (and a few showing off the color display), TXCO-9 and DSP-2 to the Yaesu FT-857 rig.
[Hits: 2590 | Votes: 1 | Rate: 1.00] Shopping and Services : Electronic Components
- All American
- Distributor of electronic components, ull range of semiconductors (active components), including relays, circuit breakers, transistors, diodes, memory devices, microprocessors, microcontrollers, and other integrated cuircuits, as well as passive components, such as capacitors, resistors, inductors, and electromechanical products, including cable, switches, connectors, filters, and sockets.
[Hits: 557 | Votes: 0 | Rate: 0.00] Software : Antenna analysis
- HamCalc v1.3
- By G4VWL, HamCalc is collection of calculators for radio amateurs: Antenna ERP calculations.
Attenuators. Audio Filter design.Coil Winding.
Decibels. Great Circles map and calculator HF Filters HF Traps Metric conversions OP Amps
QRA Locator to Latitude/Longitude (and back)
Radio Horizon calculator Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations
[Hits: 12660 | Votes: 50 | Rate: 3.90] Software : DSP
- 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: 3930 | Votes: 2 | Rate: 10.00] - FreqTweak
- FreqTweak is a tool for FFT-based realtime audio spectral manipulation and display for Linux. It provides several algorithms for processing audio data in the frequency domain and a highly interactive GUI to manipulate the associated filters for each. It also provides high-resolution spectral displays in the form of scrolling-raster spectrograms and energy vs frequency plots displaying both pre- and post-processed spectra.
[Hits: 840 | Votes: 3 | Rate: 9.00] Technical Reference : Filters Technical Reference : Radio Frequency Interference
- TVI filters
- These filters are in use by hundreds of VHF weak signal operators and have been proven to be an
effective solution for fundamental overload problems.
[Hits: 883 | Votes: 1 | Rate: 7.00]
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