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2. SWR meter - Wikipedia

   en.wikipedia.org/wiki/SWR_meter

   An SWR meter does not measure the actual impedance of a load (the resistance and reactance), but only the mismatch ratio. To measure the actual impedance requires an antenna analyzer or other similar RF measuring device. For accurate readings, the SWR meter itself must also match the line's impedance (typically 50 or 75 Ohms).

3. Antenna analyzer - Wikipedia

   en.wikipedia.org/wiki/Antenna_analyzer

   An antenna analyzer measuring SWR and complex impedance of a dummy load. MFJ-269, MFJ Enterprises Inc. An antenna analyzer or in British aerial analyser (also known as a noise bridge, RX bridge, SWR analyzer, or RF analyzer) is a device used for measuring the input impedance of antenna systems in radio electronics applications.

4. List of sound chips - Wikipedia

   en.wikipedia.org/wiki/List_of_sound_chips

   Sega Mega Drive/Genesis console (later models), FM Towns computer, Sega arcade systems: Improved Yamaha YM2612, PCM supported on one of the channels, silicon-gate CMOS LSI chip Yamaha YMF262 (a.k.a. OPL3) 1990 [75] 36 18 4 Sound Blaster Pro 2.0 and later cards for PC (including Sound Blaster 16, AdLib Gold 1000 and AWE32) Silicon-gate CMOS chip ...

5. Standing wave ratio - Wikipedia

   en.wikipedia.org/wiki/Standing_wave_ratio

   Checking the SWR is a standard procedure in a radio station. Although the same information could be obtained by measuring the load's impedance with an impedance analyzer (or "impedance bridge"), the SWR meter is simpler and more robust for this purpose. By measuring the magnitude of the impedance mismatch at the transmitter output it reveals ...

6. Peak programme meter - Wikipedia

   en.wikipedia.org/wiki/Peak_programme_meter

   A peak programme meter (PPM) is an instrument used in professional audio that indicates the level of an audio signal. Different kinds of PPM fall into broad categories: True peak programme meter. This shows the peak level of the waveform no matter how brief its duration. Quasi peak programme meter (QPPM). This only shows the true level of the ...

7. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   Measuring instruments in fiction: Captain Nemo and Professor Aronnax contemplating thermometers, barometers, clocks, etc. in Jules Verne's 1869-1870 science fiction novel Twenty Thousand Leagues Under the Seas Fun measuring instruments: a Love Meter and strength tester machine at a Framingham, Massachusetts rest stop.

8. Peak meter - Wikipedia

   en.wikipedia.org/wiki/Peak_meter

   A peak meter is a type of measuring instrument that visually indicates the instantaneous level of an audio signal that is passing through it (a sound level meter). In sound reproduction, the meter, whether peak or not, is usually meant to correspond to the perceived loudness of a particular signal. The term peak is used to denote the meter's ...

9. List of Pocket PC devices - Wikipedia

   en.wikipedia.org/wiki/List_of_Pocket_PC_Devices

   Only the Casio E-115, E-125 and EM-500 were Pocket PCs. All others were using the older "Palm-sized PC" operating system except for the BE-300, which ran a stripped-down version of Windows CE 3.0 and would not run any Pocket PC software and many applications written for Windows CE itself.