An ultra-low noise, wide bandwidth, fixed-gain 40dB TOFD PreAmplifier, suitable for use with any ultrasonic transducers and Technology Design system.

The PreAmplifier can be used for TOFD inspections when long probe leads are used and additional gain is required at the front end. The PreAmplifier will enhance weak signals and improve the effective signal-to-noise of the system. Available as 40dB TOFD 1, 2, or 4 channels.



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An ultra-low noise, wide bandwidth, fixed-gain 40dB TOFD PreAmplifier, suitable for use with any ultrasonic transducers and Technology Design system.

Features


  • 40dB Gain
  • Ultra low noise
  • Wide signal bandwidth
  • Output capable of driving long cable lengths
  • TOFD (twin crystal)
  • Low power – single 9V PP3 battery or external 5-12 VDC
  • Compact rugged enclosure

Software


Gain40dB
Bandwidth80kHz to 40MHz (-3dB)
Noise Figure1.0nV/(Hz) 1/2
Input Impedance300Ω (Other options available)
Output Impedance50Ω (capable of driving very long cable lengths)
ProtectionInput and Output are high-voltage transient protected i.e. HT pulse
Power SourceSingle 9VPP3 Battery
Battery Life16 hours (alkaline)
Input Voltage5V to 12V DC (reverse polarity protected)
Dimensions
(W x H x D)
70mm x 35mm x 110mm (2 3/4″ x 1 1/2″ x 4 1/2″)
ConnectorsLemo 00
Temperature0°C to 70°C