Desi Bel-logarithm is the value of the comparison between the two sources of power or voltage source.
dB is logaritmik expression of disbanding the unit 2, or a ratio of signal power (Volt, Ampere, Watt).
Volt, Ampere, Ohm agreed as a standard in electrical engineering.
The field of audio engineering that is a standard agreed dBm. Case 'm' refers to the sound power of 1 milli-Watt impedans at 600 ohm.
Measure desi-bell with the same measure Multimeter Voltage Electric pace Cash Back (ACV), because the voice signal voltage is measured pace back.
Measurement desi-Bel need of an amplifier signal Audio / Audio Signal Generator as the source signal. Results on the board pengukurandibaca scale Multimeter. To measure the limit (range) 10 ACV and 50 ACV, measurement results can be read directly on the scale desi-Bel (dB).
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