Datasheet

Drawing No. P. 7/6
Reference Only
MURATA MANUFACTURING Co., LTD.
S.P.L.Test circuit
OSC.
Freq. Counter
U.S S.C.M
30cm
Amp.
Voltmeter
Fig. 2
OSC. : Oscillator (Brüel & Kjær 1013)
U.S : Ultrasonic Sensor
S.C.M : Standard Condenser Microphone (Brüel & Kjær 4135)
Amp. : Amplifier (Brüel & Kjær 2610)
Sensitivity Test circuit
SP. S.C.M.
30 cm
U.S.
A
mp.
OSC.
Freq. Counter
Voltmeter
Fig. 3
OSC. : Oscillator (Brüel & Kjær 1013)
U.S. : Ultrasonic Sensor
S.C.M : Standard Condenser Microphone (Brüel & Kjær 4135)
Amp. : Amplifier (Brüel & Kjær 2610)
SP. : Tweeter
RL : 3.9 k ohm
RL