level meter

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level meter

8 links

Antennas : Tuners

  • 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 ]
DX Resources : Ham Radio Awards
  • 10-10 International - Ten-Ten International Net, or 10-10 for short, is an organization of amateur radio operators dedicated to maintaining high levels of amateur radio communications on the 10-meter amateur band (28.0-29.7 MHz).
    [ Hits: 1821 | Votes: 8 | Rating: 6.5 ]
Manufacturers : Test Equipment : Signal generator
  • Applied Instruments - Applied instruments manufactures test and measurement equipment for the broadband telecommunications industry. products include carrier generators, signal level meters, rf switches, spectrum analyzers and a return alignment system.
    [ Hits: 686 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • A 2 meter band-pass cavity using surplus Heliax - Cavity is often required at a busy site to not only prevent its receiver from being overloaded by off-frequency signals, but also be a good neighbour and prevent low-level signals from your transmitter from getting into other users receivers - not to mention the preventing of those other signal from getting back into your transmitter to generate spurious signals in its own right.
    [ Hits: 126 | Votes: 2 | Rating: 3 ]
Technical Reference : Homebrew
  • A cheap S Meter - A low-level voltage meter and could even be used for audio purposes.
    [ Hits: 2640 | Votes: 4 | Rating: 6.25 ]
  • 40 Segment LED S-Meter - Provide your radio with a very string signal, then adjust the HIGH LEVEL pot to the threshold of illuminating the last LED (all LEDs on).
    [ Hits: 92 | Votes: 0 | Rating: 0 ]
Technical Reference : Power Meter
  • G3TXQ Milliwatt meter - Meter capable of accurately measuring low levels of RF power
    [ Hits: 1197 | Votes: 3 | Rating: 5.33 ]
Technical Reference : Test Equipment
  • Field Strength Meter - The field strength meter (FSM) is a very useful addition to any HAM toolbox. If you are messing around with antennas, or building PA's, or trying to repair some TX gear, the FSM will come to your rescue when there is doubt about the output level.
    [ Hits: 80 | Votes: 0 | Rating: 0 ]
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