ac filter

ac filter

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• Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
  [ Hits: 291 | Votes: 0 | Rating: 0 ]

• Reverse Beacon Network on live graph - Last 15 minute Reverse Beacon Network spots on live graph, let you filter by dx spot continent or spotter continent, as well as by band and let you reduce bandwidth
  [ Hits: 622 | Votes: 4 | Rating: 9.75 ]

• HyEnd Company - HyEnd is a dutch amateur radio antenna manufacturer. Makers of the popular HyEndFeed Antennas, produce Baluns, bandpass filters and selle Line isolators, coax cables and connectors.
  [ Hits: 197 | Votes: 0 | Rating: 0 ]

• Microwave Filter Company - Microwave Filter Company is a leader in the design, development and manufacture of high quality passive electronic filter products in the 5 Hz to 50 GHz frequency spectrum.
  [ Hits: 124 | Votes: 0 | Rating: 0 ]

• Ucchino Produzioni Elettroniche - Ucchino is an Italian manufacturer of electronic cirucits inclunding Digiham amateur radio USB interface for digital modes, morse code oscillator, filters and RF protectors
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Breadboard Radio - Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator
  [ Hits: 1313 | Votes: 1 | Rating: 10 ]

• ICOM 756 and 756PRO - Ini this article the author compare the Icom 756 and Icom IC 756 PRO. Comparison is very detailed and includes S Meter Calibration, Microphone Gain, Transverter Jack, the noise blanked, the spectrum analyzer, audio quality, notch filter, compression meter, noise reduction, sensivity and filter settings along to many other features making this article a must for who want to compare this two models
  [ Hits: 234 | Votes: 1 | Rating: 8 ]

• Replacing Yaesu FT857 IF filters - How to replace IF filters on a Yaesu FT 857. This document explains how to desolder old deteriorated filters and replace with brand new ones.
  [ Hits: 132 | Votes: 0 | Rating: 0 ]

• FT-950 Installing the AC0C Roofing Filter - Summary Instructions for Installing the AC0C Roofing Filter by NS into the Yaesu FT-950
  [ Hits: 404 | Votes: 1 | Rating: 1 ]

• Sherwood / Drake R-4C - Filters and replacement parts for the Drake R-4C receiver by Sherwood Engineering Inc
  [ Hits: 241 | Votes: 0 | Rating: 0 ]

• Ham Goodies - Amateur Radio goodies for not only the Shack, but also a range of outdoor/portable kit. Ferrite toroids, RTL SDR, Un-uns and Baluns for antennas and RF Filters. Based in the UK.
  [ Hits: 145 | Votes: 0 | Rating: 0 ]

• Aerial-Parts of Colchester - Online antenna parts store, providing many accessories for amateur radio antenna homebrewing. Boom joiners, aluminium parts, elements clamps, filters, ferrites, fasteners, plasti caps, dipole elements. Based in UL
  [ Hits: 153 | Votes: 0 | Rating: 0 ]

• Ham Supply - Ham Supply continue to manufacturer the fine Idiom Press electronic keyer, audio filter and other Ham Radio related products
  [ Hits: 429 | Votes: 1 | Rating: 10 ]

• DxWatcher - DX cluster monitoring tool. Filter DX spots from packet radio cluster. Download windows freeware
  [ Hits: 606 | Votes: 1 | Rating: 1 ]
• ZCZ Cluster - Telnet client for DXCluster, Sorts, colours and filters DX Spots by (2) bands, wanted DX Station, who spotted the DX, local to your area and more, Can spot automatically after logging a contact if you are using ZCZ Log, Look up call on QRZ.com
  [ Hits: 160 | Votes: 0 | Rating: 0 ]

• TyQSL - Online Logbook - TyQSL is a modern Logbook by Hams, for Hams. A Place for other hams to take a look at your QSO statistics as well as search for QSOs in your Logbook that you made public. Just click onto your name in the Menu Bar when you are logged in to get to your public profile. Soma features includes Shows the users Valid Callsigns Look at QSO Statistics, Search Public Logbooks, Filters are avaliable to find QSOs fast Just share the Link on Social Media, QRZ, or Similar with other
  [ Hits: 302 | Votes: 0 | Rating: 0 ]

• How to make a mains filter for EMC and noise reduction - Article showing how I've made a mains filter to reduce EMC in the electricity supplying my shack. I've used a type 31 Fair-Rite ferrite core and the video shows how this performs on 160m through to 40m.
  [ Hits: 1226 | Votes: 5 | Rating: 9.6 ]
• Mains Filter for EMC & Noise Reduction - This article shows how to make a mains filter that can be extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying your shack
  [ Hits: 310 | Votes: 3 | Rating: 3.67 ]

• Tektronix Compatible Tracking Generator - A spectrum analyzer is always an usefull amateur radio test equipment that should be present in a radio shack. Hams can use it for testing frequency response of filters, amplifiers, and other two-port RF devices. This article illustrate a tracking generator compatible with any spectrum analyzer in the Tektronix 490- and 2750-series lineups
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Antuino - Antenna Test Equipment - Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
  [ Hits: 306 | Votes: 0 | Rating: 0 ]

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