Fiber Optic Microphone (FOM1-MR) Performance Specifications
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| Typical FOM frequency response |
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Audio Frequency ResponseThe Model FOM1-MR has a frequency response suitable for voice applications. Frequency response of a typical microphone is shown in the figures below. Shown is the response to a white noise source. The microphone response normalized to the noise floor is shown. The noise floor is primarily due to thermal noise in the detector circuit. This self-noise is equivalent to a sound input level of 50dBspl.
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Output level from Driver Electronics
Sound level dBspl@1kHz
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Mic out (mV)
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S/N
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Line Out(mV)
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S/N
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70
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2
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39dB
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20
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39dB
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80
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6
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49dB
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60
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49dB
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90
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18
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59dB
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180
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59dB
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100
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54
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69dB
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540
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69dB
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Specifications
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Dynamic Range:
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50 dBspl to 120 dBspl
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Frequency Range:
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100 Hz to 6000 Hz
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Sensitivity:
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10mV per Pascal @1kHz
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Self noise:
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50 dBspl
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Cable Length:
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30 meters (standard)
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Connectors:
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ST style (standard)
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