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Preamplifier
Please find a brief summary of our NMR/NQR preamplifier modules below and do not hesitate to contact us for further details.
0.7 – 150 MHz module
- Input frequency: 0.7 – 150 MHz
- Max. input peak power: 30 dBm (20 Vpp / 1 W)
- Noise figure: ≤ 1.3 dB
- Signal amplification (gain): +35 dB (min.)
- Recovery time: ≤ 9 µs (after 1 µs 30 dBm pulse)
- Input / output impedance: 50 Ω nominal
- Input / output VSWR: ≤ 1.4
- Power supply (available on request): +12 V DC
20 – 1200 MHz module
- Input frequency: 20 – 1200 MHz
- Max. input peak power: 30 dBm (20 Vpp / 1 W)
- Noise figure: ≤ 1.5 dB
- Signal amplification (gain): +20 dB
- Recovery time: ≤ 1.6 µs (after 1 µs 30 dBm pulse)
- Input / output impedance: 50 Ω nominal
- Input / output VSWR: ≤ 3.0
- Power supply (available on request): +15 V DC
1 – 400 MHz modules with fixed frequency
- Fixed frequency with approx. 2 MHz bandwidth
- Input frequency: 33 - 400 MHz (fixed frequency) non-magnetic
- Input frequency 1 - 33 MHz (fixed frequency) slightly magnetic
- Max. input peak power: 30 dBm (20 Vpp / 1 W)
- Noise figure: ≤ 0.5 dB
- Signal amplification (gain): +24 dB
- Recovery time: ≤ 2.5 µs (after 1 µs 30 dBm pulse)
- Input / output impedance: 50 Ω nominal
- Input / output VSWR: ≤ 1.3
- Power supply (available on request): +15 V DC
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