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UTR3 Ultrasonic Transmitter Receiver General description UTR


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Ultrasonic Transmitter Receiver
UTR3
Ultrasonic Transmitter Receiver
General description UTR3 hybrid circuit that allows realize ultrasonic detector adding external components. Detection based amplitude variation received ultrasonic signal (40KHz) movement object. shows stable electric characteristics thanks "Thick film hybrid" tecnhology.
Features
Applications
Input Amplifier with Automatic Gain Control
Alarm systems Residential commercial security systems Automatic doors opening systems
BLOCK DIAGRAM
Cext
TRM1
TRM2
VCC1
Ultrasonic Amplifier
Subsonic Frequency Detector
Ultrasonic Oscillator
Electrical Characteristics CHARACTERISTICS
VCC1 Supply Voltage Supply Voltage Supply Current Utrasonic Amplifier Gain Ultrasonic Frequency Sink Current 0.4V) Source Current 4.6V) Operating Temperature Range
25°C unless otherwise specified
UNIT
Description
Cext TRM1 TRM2 VCC1 Ultrasonic Piezoceramic Receiver Input (RXCAP) Supply Voltage External Capacitor External Trimmer Ground External Trimmer Test Point Supply Voltage +12V Supply Voltage Ultrasonic Piezoceramic Transmitter Output (TXCAP) OUT="LOW" Objet moving
Mechanical Dimensions
38.1mm
Components Side
15.24mm
2.54mm
TYPICAL APPLICATION
100K
10uF
VCC1
Ultrasonic Amplifier
Subsonic Frequency Detector
MA40S3S Murata MA40S3R Murata
Ultrasonic Oscillator
UTR3
Component typical values
HEAD OFFICE PLANT
Naz. delle Puglie 80026 Casoria (NA), Italy Tel: 7599033 Fax: 7596494

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