dB Calc3.0 - App Store
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Official App Store Link
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Publisher Description
Need to quickly convert between various RF signal measurement units? dB Calc performs lots of decibel related conversions:
Decibel / Neper / Ratio Conversions:
Enter in either the dB, Np (nepers), power or voltage ratio, and the other values will be calculated.
Decibel / Power / Voltage Calculations:
Enter in the one known value, and the others will be calculated. Select the correct units before entering in the value. You can change the units of the displayed (calculated values) by selecting the new units. Enter in the resistance before entering in the known value.
The following units are available:
dBmW - dB ref to 1 mW power
dBuV - dB ref to 1 uV
dBu - dB ref to 0.7746 V (audio)
dBV - dB ref to 1 V
uW - microwatts
mW - milliwatts
W - watts
uV - microvolts
mV - millivolts
V - volts
RMS Waveforms Conversions:
Conversion between rms, peak, peak-peak voltage and current values for a user entered resistance. Sine, square, and triangle waveforms are supported.
Get your copy of dB Calc today, and take the hassle out of dB related conversions.
Version History Changes and improvements for new iOS updates. 3.0 07/09/2025 Updates for latest iOS 2.0 05/04/2022 Updates for iOS 10.3 1.6 05/09/2017 Updates for iOS 7 1.5 10/28/2013 Updates for iOS 6 1.4 01/04/2013 Added RMS (root mean squared) calculations for sine, square, and triangle waveforms.
Universal app for the iPad. 1.3 06/26/2010 Changing the resistance will now update the power, voltage, and decibel fields. 1.2 09/02/2009 Added conversions to and from dBmV 1.1 04/30/2009 1.0.0 01/27/2009
