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Select a model and email AppVision for a quotation: N9916A (default) · N9917A · N9918A · N9936A · N9937A · N9938A · N9950A · N9951A · N9952A · N9960A · N9961A · N9962A
Keysight FieldFox A-Series Microwave Handheld Analyzers
Keysight FieldFox A-Series Microwave Handheld Analyzers provides handheld rf analyser platform capabilities for S-parameter, component and network measurements. Key parameters include analyzer configurations Combination CAT/VNA platforms and spectrum-analyser-only platforms and maximum frequency options 14, 18, 26.5, 32, 44 or 50 GHz.
Key capabilities
- Analyzer configurations: Combination CAT/VNA platforms and spectrum-analyser-only platforms
- Maximum frequency options: 14, 18, 26.5, 32, 44 or 50 GHz
- CAT/VNA start frequency: 30 kHz on N991xA or 300 kHz on N995xA; option V5K extends N991xA to 5 kHz
- Spectrum-analysis range: 5 kHz to the selected model maximum; option 233 enables SA on combination models
- Resolution bandwidth: 1 Hz to 5 MHz in non-zero span and 10 Hz to 5 MHz in zero span
- Phase noise at 1 GHz: −106 dBc/Hz specified and −111 dBc/Hz typical at 10 kHz offset
- VNA dynamic range: 95 dB specified on N991xA and 100 dB on N995xA under stated test conditions
- Option 351 I/Q path: 10 MHz standard IF, up to 12.5 MSa/s I/Q pairs, 14-bit ADC and 4 MSa capture length
Model comparison — differences
Only parameters that differ between models are shown below. Shared series specifications are listed in Key capabilities above.
| Model |
Maximum frequency |
Analyzer configuration |
| N9916A |
14 GHz |
Combination analyzer |
| N9917A |
18 GHz |
Combination analyzer |
| N9918A |
26.5 GHz |
Combination analyzer |
| N9936A |
14 GHz |
Spectrum analyzer |
| N9937A |
18 GHz |
Spectrum analyzer |
| N9938A |
26.5 GHz |
Spectrum analyzer |
| N9950A |
32 GHz |
Combination analyzer |
| N9951A |
44 GHz |
Combination analyzer |
| N9952A |
50 GHz |
Combination analyzer |
| N9960A |
32 GHz |
Spectrum analyzer |
| N9961A |
44 GHz |
Spectrum analyzer |
| N9962A |
50 GHz |
Spectrum analyzer |
Official resources
Configuration, availability and support
AppVision Australia is an authorised Keysight distributor. Contact AppVision to confirm the exact model and configuration, compatible accessories, Australian availability, lead time and quotation.