PreAmplifier
Ultra low noise TOFD / Pulse Echo PreAmplifier
An ultra-low noise, wide bandwidth, fixed-gain 40dB TOFD PreAmplifier, suitable for use with any ultrasonic transducers and system.
The PreAmplifier from Phoenix 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 channel.
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Ultra low noise TOFD / Pulse Echo PreAmplifier
Specifications
| Amplifier | |
| Gain | 40dB |
| Bandwidth | 80kHz to 40MHz (-3dB) |
| Noise Figure | 1.0nV/(Hz) 1/2 |
| Input Impedance | 300Ω (Other options available) |
| Output Impedance | 50Ω (capable of driving very long cable lengths) |
| Protection | Input and Output are high-voltage transient protected i.e. HT pulse |
| Power | |
| Power Source | Single 9VPP3 Battery |
| Battery Life | 16 hours (alkaline) |
| Input Voltage | 5V to 12V DC (reverse polarity protected) |
| Physical | |
| Dimensions (W x H x D) | 70mm x 35mm 110mm (2 3/4″ x 1 1/2″ x 4 1/2″) |
| Connectors | Lemo 00 |
| Temperature | 0°C to 70°C |
| rder Code | Description |
| PRE-AMP-TOFD | 40dB TOFD PreAmp 1 channel |
| PRE-AMP-TOFD-2CH | 40dB TOFD PreAmp 2 channel |
| PRE-AMP-TOFD-4CH | 40dB TOFD PreAmp 4 channel |
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
- Rugged and small enclosure