pass filter

pass filter

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• 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: 5508 | Votes: 3 | Rating: 4.33 ]

• DCI Digital Communications - Band pass filters, for radio frequency interference problems.
  [ Hits: 631 | Votes: 0 | Rating: 0 ]
• ON4AOI Automatic Band Decoder - Automaticaly select the correct antenna and bandpass filter, by ON4AOI
  [ Hits: 1464 | 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: 5704 | Votes: 10 | Rating: 6.2 ]

• 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: 2224 | Votes: 0 | Rating: 0 ]

• WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.
  [ Hits: 19295 | Votes: 37 | Rating: 5.59 ]

• 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 ]
• Idiom Press - CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.
  [ Hits: 2701 | Votes: 2 | Rating: 9.5 ]

• 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: 1116 | Votes: 0 | Rating: 0 ]

• SVC Filter - Filter design software. A program designed to expedite the design and analysis of lowpass (and highpass) filters with nearest 5% component values. SVCfilter is 32-bit Windows electrical filter design software nicely written to help the radio amateur, technician or engineer design and analyze lumped-element lowpass and highpass filters.
  [ Hits: 1193 | Votes: 1 | Rating: 10 ]

• Free programmable DSP-Filter  ^pop - Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
  [ Hits: 30337 | 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: 6300 | 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 ]

• A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.
  [ Hits: 5303 | Votes: 21 | Rating: 6.1 ]
• 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 ]

• 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 ]

• 6m High Pass TVI filter - Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.
  [ Hits: 1474 | Votes: 2 | Rating: 3 ]

• 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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