Sensitivity (Electronics)
The
sensitivity
of an electronic device,
e.g.,
a
communications system
receiver, or
detection
device,
e.g.,
PIN diode
, is the minimum
input
signal
required to produce a specified
output
signal having a specified
signal-to-noise ratio
, or other specified criteria.
Note 1:
The sensitivity of a microphone is usually expressed as
field strength
in
decibels
(dB) re 1 V/Pa (Pa = N/m) or as millivolts per pascal (mV/Pa) into an open circuit or into a 1 kiloohm load.
Note 2:
"
Sensitivity"
is sometimes improperly used as a synonym for
"
responsivity
."
Source: from
Federal Standard 1037C
and from
MIL-STD-188
External links
Microphone sensitivity conversion from dB re 1 V/Pa to transfer factor in mV/Pa
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