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Spectrum Analyzers and Signal Analyzers

We provide a full range of instruments, including powerful Benchtop Signal Analyzers for deep analysis of complex modulated signals and rugged Handheld Spectrum Analyzers for field troubleshooting and interference hunting. Use them to measure key characteristics like occupied bandwidth, adjacent channel power (ACP), spurious emissions, and phase noise. We also offer specialized Noise Figure Solutions to accurately quantify the noise performance of amplifiers and receivers, which is crucial for maximizing system sensitivity in RF/microwave design.

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752 products
N9961AU-302
Exclusive
Keysight
N9961AU-302
USB power sensor support USB power sensors for FieldFox N9961A
Offer Request
Delivery time on request
HA-Z201
Rohde&Schwarz
HA-Z201
Replacement power supply, for PR100, FSH4/8 and ETH including power adapter for EU, GB and USA (1309.6100.00)
€205.00
Delivery time on request
N9938AU-356
Exclusive
Keysight
N9938AU-356
Noise figure measurements for FieldFox N9938A
Offer Request
Delivery time on request
FSH-Z101
Rohde&Schwarz
FSH-Z101
Cable, USB, length: 1.8 m, for connecting FSH-Z1 / 0 to a PC (1164.6242.02)
€180.00
Delivery time on request
N9938AU-302
Exclusive
Keysight
N9938AU-302
USB power sensor support USB power sensors for FieldFox N9938A
Offer Request
Delivery time on request
N9000B-526
Exclusive
Keysight
N9000B-526
Option frequency range 9 kHz to 26.5 GHz, type-N (f), for N9000B
  • Filter bandwidths: 1 Hz - 3 MHz in 10 % steps, EMI CISPR 200 Hz, 9 kHz, 120 kHz, 1 MHz EMI MIL STD 461E 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz Optional: 1 MHz
  • Frequency stability: 4.4 ppm
  • Dynamics: 162 dB
  • max. Frequency range (GHz): 26.5
  • Amplitude range: -160 dBm - +2 dBm
  • Interfaces: USB, LAN, GPIB, IF out
  • Analysis bandwidth (MHz): 10
  • Detectors: Normal, peak, sample, negative peak, log power average, RMS average, and voltage average
  • Resolution bandwidth: 1Hz
  • SSB phase noise: -110 dBc/Hz @ 1 GHz (10 kHz carrier offset)
  • DANL Displayed Average Noise: approx. -160 dBm
  • Tracking-Generator: external optional
  • Special features: Optional: Tracking Generator, 25 MHz analysis bandwidth
  • Measurement functions: Optional: ACPR, W-LAN, analog demodulation, EMI
  • min. Frequency range (KHz): 9
  • Sweep: linear, logarithmic
Offer Request
Delivery time on request
N9937A-350
Exclusive
Keysight
N9937A-350
Real-time spectrum analyzer (RTSA) for FieldFox N9937A
Offer Request
Delivery time on request
N9910X-875
Exclusive
Keysight
N9910X-875
DC car charges and adapter
Offer Request
Delivery time on request
N9938AU-312
Exclusive
Keysight
N9938AU-312
Channel scanner spectrum analysis for FieldFox N9938A
Offer Request
Delivery time on request
N9912C-CA6
Keysight
N9912C-CA6
Cable and antenna analyzer 6.5 GHz for Fieldfox N9912C
Offer Request
Delivery time on request
N9936AU-236
Exclusive
Keysight
N9936AU-236
Interference analyzer and spectrogram Spectrogram for FieldFox N9936A
Offer Request
Delivery time on request
N9961AU-355
Exclusive
Keysight
N9961AU-355
Analog demodulation spectrum analysis for FieldFox N9961A
Offer Request
Delivery time on request
N9962A-320
Exclusive
Keysight
N9962A-320
Reflection measurements (return loss, VSWR and scalar measurements) for FieldFox N9962A
Offer Request
Delivery time on request
FPC-K55
Rohde&Schwarz
FPC-K55
Option Advanced measurement functions for spectrum analyzer FPC series, software license (1328.6760.03)
€585.00
Delivery time on request
N9938A-358
Keysight
N9938A-358
EMF measurements for FieldFox N9938A
Offer Request
Delivery time on request
N9936A-208
Exclusive
Keysight
N9936A-208
USB power sensor measurements versus frequency for FieldFox N9936A
Offer Request
Delivery time on request
FPH-K43
Rohde&Schwarz
FPH-K43
Receiver Mode and Channel Scanner, for Spectrum Rider FPH, retrofit (1321.0621.03)
€1,180.00
Delivery time on request
N9912CU-238
Keysight
N9912CU-238
Spectrum analyzer time gating for FieldFox N9912C
Offer Request
Delivery time on request
N9962A-355
Exclusive
Keysight
N9962A-355
Analog demodulation for FieldFox N9962A
Offer Request
Delivery time on request
N9912CU-370
Keysight
N9912CU-370
Over the air LTE FDD measurements for FieldFox N9912C
Offer Request
Delivery time on request
N9938A-307
Exclusive
Keysight
N9938A-307
GPS receiver for FieldFox N9938A
Offer Request
Delivery time on request
N9961A
Exclusive
Keysight
N9961A
FieldFox handheld µW spectrum analyzer 9 kHz to 44 GHz, USB 2.0, LAN, rechargeable battery
  • Analysis bandwidth (MHz): 10
  • Resolution bandwidth: 1Hz
  • Tracking-Generator: external optional
  • min. Frequency range (KHz): 9
  • Sweep: linear
  • Frequency stability: 0.7ppm
  • Detectors: RMS average, normal, positive peak, negative peak, sample
  • max. Frequency range (GHz): 44
  • Amplitude range: -130 dBm to 27 dBm
  • Special features: large buttons many measurement applications optional reflection-free display Real time spectrum with 10 MHz bandwidth
  • Interfaces: USB, LAN
  • SSB phase noise: < -106 dBc/Hz @ 1 GHz (30 kHz carrier offset)
  • Measurement functions: Six markers absolute or relative noise markers Limit test optional: 209 Extended range transmission analysis (ERTA) 220 Full-band tracking generator 235 Pre-amplifier 236 Interference analyzer and spectrogram 238 Spectrum analyzer time gating 312 Channel
  • Dynamics: 157 dB
  • Filter bandwidths: 1 Hz to 500 kHz
  • DANL Displayed Average Noise: approx. -145 dBm
Offer Request
Delivery time on request
FPH-B25
Rohde&Schwarz
FPH-B25
Preamplifier, 5 kHz to 31 GHz, for Spectrum Rider FPH var .26, retrofit (1321.0873.03)
€1,700.00
Delivery time on request
N9912CU-312
Keysight
N9912CU-312
Channel scanner for FieldFox N9912C
Offer Request
Delivery time on request

The Spectrum Analyzer is a frequency-domain powerhouse, allowing engineers to visualize the spectral content of a signal. This is fundamental for identifying sources of interference, measuring transmitter output, and ensuring regulatory compliance.

A modern Signal Analyzer goes beyond basic spectrum measurement to offer advanced digital demodulation capabilities, essential for analyzing complex schemes like QAM or OFDM used in Wi-Fi and 5G.

Our handheld spectrum analyzers are perfect for site surveys, tower maintenance, and PIM (Passive Intermodulation) testing. Integrating a dedicated noise figure meter allows designers to optimize the noise performance of the entire receiver chain for maximum sensitivity.