am band filter

am band filter

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• Receiving antenna for low bands  ^updated - 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: 19594 | Votes: 12 | Rating: 7.91 ]

• HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers
  [ Hits: 721 | Votes: 0 | Rating: 0 ]

• Duplexers.eu - We produce duplex filters for 6 m, 2 m, 70 cm, and 23 cm band but also for HF bands. Sella and produce products for Ham Radio Repeaters.
  [ Hits: 1901 | Votes: 1 | Rating: 1 ]
• PAR Electronics Inc. - Filters for the commercial 2 way market, MATV, FM broadcast, laboratory, marine industry, amateur radio, scanner and short wave. Antenna for amateur radio bands
  [ Hits: 634 | Votes: 0 | Rating: 0 ]

• 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: 3069 | Votes: 5 | Rating: 8.8 ]

• Cross Country Wireless - UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers.
  [ Hits: 1337 | Votes: 3 | Rating: 7 ]

• DX Cluster for Android - DX Cluster is an DX Cluster client for Android smartphones DX Cluster supports: Real time DX spots, Different band and mode filters, A country filter for spotter or the spots, Prefix or call sign alarms
  [ Hits: 6574 | Votes: 15 | Rating: 6.94 ]

• Helical - A graphics-intensive bandpass filter program based on the helical resonator.
  [ Hits: 1888 | Votes: 2 | Rating: 9 ]

• Free programmable DSP-Filter  ^pop - Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
  [ Hits: 30339 | Votes: 86 | Rating: 5.82 ]
• BR-universal-Filt - 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: 6301 | 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: 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: 11770 | 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: 24853 | Votes: 114 | Rating: 7.17 ]

• CwGet  ^pop - A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.
  [ Hits: 75713 | Votes: 1736 | Rating: 7.09 ]

• RemIcom-B - Freeware RemIcom-B is a very simple ICOM remote program. Display of current frequency, mode and filter ITU HF Band assignment (ITU Region 1, 2 and 3 selectable) HAM HF Band usage analog frequency band display
  [ Hits: 3581 | Votes: 1 | Rating: 10 ]

• A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
  [ Hits: 8616 | Votes: 16 | Rating: 5.88 ]

• 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: 1151 | Votes: 3 | Rating: 4.33 ]
• Interferences and filtering - General information on Filter passbands, interferences, TVI and RFI problems
  [ Hits: 1171 | Votes: 1 | Rating: 10 ]
• 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: 1118 | Votes: 6 | Rating: 7.67 ]

• 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: 4366 | Votes: 6 | Rating: 8.33 ]

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