3.3 Ultrasonic Transceiver

The ultrasonic ceramic transceiver can be used for transmitting or receiving ultrasonic waves. It is manufactured by MULTICOMP with part number MCUSD16A40S12RO. See the table below for technical parameters.

Table 3-2. Technical Parameters
ParametersValue
Center frequency40kHz ±1kHz
Output sound pressure at 40kHzMin.110dB, while 0dB = 0.0002μbar
Sensitivity at 40kHzMin.-65dB/V/μbar
Capacitance2,500pF, ±25% at 1kHz
Directivity50°
Operating temperature range-35°C to +85°C
Detectable range0.7 to 18m