400ST-R120 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Air Ultrasonic Ceramic Transducers

Air Ultrasonic Ceramic Transducers
400SR120 Receiver
Sensitivity Variation vs. Loaded Resistor
400ST120 Transmitter
400ST/R120
SPL Variation vs. Driving Voltage
-40
-45
-50
-55
-60
-65
-70
-75
-80
1K
3.9K
10K
39K
Loaded Resistor (Ohm)
100K
390K
125
120
115
110
105
100
95
90
85
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Vrms
Center Frequency Shift vs. Loaded Resistor ^{Center Frequency Shift vs. Driving Voltage}
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
1K
3.9K
10K
39K
Loaded Resistor (Ohm)
100K
390K
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-4.5
-5.0
-5.5
-6.0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Vrms
Sensitivity Variation vs. Temperature
SPL Variation vs. Temperature
-40
-45
-50
-55
-60
-65
-70
-75
-80
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (Degree C)
130
125
120
115
110
105
100
95
90
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (Degree C)
Center Frequency Shift vs. Temperature
Center Frequency Shift vs. Temperature
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (Degree C)
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (Degree C)