if filter

if 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 ]

• G3SEK's Amateur Radio Technical Notebook - A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.
  [ Hits: 4669 | Votes: 23 | Rating: 4.69 ]

• Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,
  [ Hits: 3677 | Votes: 3 | Rating: 5.33 ]
• 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: 1640 | Votes: 5 | Rating: 4 ]

• 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: 1351 | Votes: 3 | Rating: 9 ]

• 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 ]

• 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: 2770 | Votes: 4 | Rating: 4.25 ]

• HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes
  [ Hits: 2264 | Votes: 9 | Rating: 8.44 ]
• Filtronetics Inc - Maker of filters, oscillators, cristals Coils, Toroidal Inductions, Solenoids, Bifilar wound Solenoids, Trifilar Solenoids and Transformers Located in Kansas City, Missouri
  [ Hits: 770 | Votes: 0 | Rating: 0 ]

• AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products
  [ Hits: 6114 | Votes: 10 | Rating: 5.1 ]

• Vectronics - Antennas, Filters, accessories, wattmeters, tuners and amplifiers.
  [ Hits: 11125 | Votes: 6 | Rating: 5.67 ]

• KD5VC 250Hz Filter Mod - FT1000D 250Hz Filter Modification
  [ Hits: 513 | Votes: 0 | Rating: 0 ]

• AF Filter for FT-897D - AF Filter modification for the Yaesu FT-897D by Petr OK1FIG
  [ Hits: 3406 | Votes: 2 | Rating: 5 ]

• QSO Manager - HF QSO/QSL/Award managment, ADIF Import/Export, full version free to everybody. Requires Access 97 or Access 2000 (with JPEG and TIFF filter installed), screen resolution 800x600/1024x768
  [ Hits: 3307 | Votes: 7 | Rating: 7.57 ]

• ADIF Master - ADIF Master is a Windows program for working with amateur radio log-books. ADIF Master convert Cabrillo, TR, CT logs or a part of it into an ADIF file. Also you can use ADIF Master to open and edit ADIF log files using filters, add and remove or modify ADIF tags and entries
  [ Hits: 4782 | Votes: 5 | Rating: 9.2 ]

• Audio processor for SSB transceiver - This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.
  [ Hits: 1447 | Votes: 1 | Rating: 1 ]

• SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier
  [ Hits: 2129 | Votes: 3 | Rating: 4.33 ]
• 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: 1150 | Votes: 3 | Rating: 4.33 ]

• K1TTT Technical Reference - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
  [ Hits: 5150 | Votes: 6 | Rating: 6.33 ]
• 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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