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Tonghui TH1953 - Dbm Calculation; MX+B; Percent

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33
5.5 dBm Calculation
The dBm function is a logarithmic expression that compares the electric quantity delivered to the reference
resistor, relative to 1 mW:
dBm = 10 x log
10
(reading 2 / reference resistance / 1 mW)
5.6 mX+b
The calculation of reading X on screen is performed as follows:
Where,
X is the normal display reading on screen
m and b is the user-entered value
Y is the displayed result
5.7 Percent
If the percent calculation is selected, a reference value must be specified. The percentage calculation is performed
as follows:
Where: Input is the normal display reading
Reference is the user-entered constant
Percent is the displayed result

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