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Precision Positioning
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Doppler Applications
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Suitable for
outdoor operation, this transceiver is
enclosed in an aluminium can with a silicone face. Two wires extend from
the back, these should be connected to a suitable signal conditioner.
The red wire extending from the back is the signal wire. The black
wire is the return wire. Shield of the signal conditioner or
converter connects to the black wire, and the core to the red
wire.
See signal conditioner HXSC125
and
Signal Converter HXSC125P
(size 20 x 25 mm) |
In the
The Echo Sensitivity Graph shown below was acquired by
exciting the sensor using 50 x 20 Volt (peak to peak) pulses @125Khz. An
object round about 9cm in dia. with flat orderly surface was placed
about 25 cm away. The graph below shows the result as the train of 50
waves bounces between transmitting and echo surfaces.
The Beam Angle was measured at a frequency of 125 Khz,
see resulting graph below.
- Below: Echo sensitivity versus frequency
- distance to target 25 cm, excitation 20V peak to peak using 50
waves
- Below: Phase Angle and Impedance versus Frequency
- RED line
represents phase angle and GREEN
line represents impedance
Specification |
Center Frequency
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125.0 ±10.0 (KHZ)
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Bandwidth
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10 KHZ
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Nominal Impedance
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1.2K ohm
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Capacitance
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1.3 nF
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Max. Driving Voltage
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100 Vpp 10% duty cycle
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Beam Width
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10° @ -3dB
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Sensor Window
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Silicone Rubber
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Operation Temperature
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0 to 70°C
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Storage Temparature
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-20 to 80°C
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