Keysight N9918B-235 Preamplifier
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Keysight N9918B-235 is a low-noise preamplifier for spectrum analyzers, adding 20 dB gain and achieving -163 dBm DANL at 2 GHz.
Product details
| Model | N9918B-235 |
| Manufacturer | Keysight |
| Category | Multimeters & DMMs |
| Availability | Made to order |
Description
Overview
The Keysight N9918B-235 is a low-noise preamplifier designed to extend the sensitivity of FieldFox spectrum analyzer mode. It increases receiver gain by 20 dB and reduces the displayed average noise level (DANL) to -163 dBm at 2 GHz, enabling detection of low-level signals that would otherwise be masked by instrument noise.
Key Features
- Frequency range: 9 kHz to 4 GHz
- Gain: 20 dB
- DANL at 2 GHz: -163 dBm
- Low noise design for sensitive measurements
- Improves spectrum analyzer sensitivity across full frequency range
Applications
- Detection of low-level RF signals
- Extending spectrum analyzer sensitivity
- Field measurements in low-signal environments
- Interference hunting and signal identification
Specifications
| Frequency Range | 9 kHz to 4 GHz |
| Gain | 20 dB |
| DANL at 2 GHz | -163 dBm |
| Type | Low-noise preamplifier |
| Compatible Mode | Spectrum analyzer (Option 233 required) |
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Keysight N9918B-235 Preamplifier
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