Quick Answer: The Ultrasonic Receiver uses an ultrasonic transducer as a detector feeding a d.c. amplifier, with 4 mm sockets for a 1 mA meter and a gain control, and runs on a 9 V PP9 battery.
Last updated: October 2026
Key Features
Ultrasonic transducer of the same type as in the transmitter, used as a detector
Output applied to a d.c. amplifier circuit
Pair of 4 mm sockets for a 1 mA meter
Gain control to set full scale meter deflection at maximum signal
Dimensions 150 mm x 95 mm x 60 mm
Requires a 9 V PP9 battery, not supplied
Technical Specifications
Specification
Value
Detector
Ultrasonic transducer
Meter output
Pair of 4mm sockets, 1mA meter
Dimensions
150mm x 95mm x 60mm
Power
9V PP9 battery (not supplied)
About This Product
For quantitative work, a 1 mA meter is connected to the 4 mm sockets and the gain control is adjusted so that the meter gives full scale deflection under maximum signal conditions. The Ultrasonic Receiver is available for supply within India and for export to Burundi, Armenia, Maldives, Italy and Kiribati.
Frequently Asked Questions
Q1. Can speech signals be heard? Yes. When speech or other audio modulation is used, the receiver output should be connected to an audio amplifier/loudspeaker combination.