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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
N9936AU-377
Exclusive
Keysight
N9936AU-377
Over the air 5G TF measurements for FieldFox N9936A
Offer Request
Delivery time on request
N9961A-356
Exclusive
Keysight
N9961A-356
Noise figure measurements for FieldFox N9961A
Offer Request
Delivery time on request
N9912CU-361
Keysight
N9912CU-361
EMI measurements for FieldFox N9912C
Offer Request
Delivery time on request
FPC-B3
Rohde&Schwarz
FPC-B3
Option frequency upgrade for spectrum analyzer FPC series, 2 GHz to 3 GHz, software license (1328.6683.03)
€1,000.00
Delivery time on request
N9938A-208
Exclusive
Keysight
N9938A-208
USB power sensor measurements versus frequency for FieldFox N9938A
Offer Request
Delivery time on request
N2881A
Keysight
N2881A
DC blocking cap, Qty 2
Offer Request
Ready to ship in 5 to 10 business days
N9910X-872
Exclusive
Keysight
N9910X-872
External battery charger
Offer Request
Delivery time on request
N9936AU-370
Exclusive
Keysight
N9936AU-370
Over the air LTE FDD measurements for FieldFox N9936A
Offer Request
Delivery time on request
FPL1-K30
Rohde&Schwarz
FPL1-K30
Noise figure and amplifier measurement application retrofit (1323.1760.03)
€5,790.00
Delivery time on request
J7201A
Keysight
J7201A
Damping control unit, DC to 6 GHz, 0 to 121 1
Offer Request
Delivery time on request
Exclusive
Keysight
85131C
Test connection cable, 3.5 mm (TestPort, f) to 3.5 mm (f), DC - 26.5 GHz, length: 32 in
Offer Request
Delivery time on request
Rohde&Schwarz
RBU100
Power attenuator 100 W, 3 dB, 50 Ohm, DC to 2 GHz, Type-N (m) to Type-N (f) (1073.8495.03)
€2,820.00
Delivery time on request
N9912C-236
Keysight
N9912C-236
Interference analyzer and spectrogram for FieldFox N9912C
Offer Request
Delivery time on request
N9962AU-238
Exclusive
Keysight
N9962AU-238
Spectrum analyzer time gating for FieldFox N9962A
Offer Request
Delivery time on request
FSH-Z114
Rohde&Schwarz
FSH-Z114
Frequency reference, precision, aging : < 0.0000000036 / year (1304.5935.02)
€6,420.00
Delivery time on request
U7227A
Keysight
U7227A
USB preamplifier, 10 MHz - 4 GHz, gain:&gt; 16 dB
Offer Request
Delivery time on request
FPL1-Z2
Rohde&Schwarz
FPL1-Z2
Carrying case with transparent lid for FPL1000 and ZNL/ZNLE (1323.1977.02)
€445.00
Delivery time on request
8494H
Keysight
8494H
Programmable attenuator 0-11 dB, DC-18 GHz
Offer Request
Delivery time on request
N9912C-CA4
Keysight
N9912C-CA4
Cable and antenna analyzer 4 GHz for Fieldfox N9912C
Offer Request
Delivery time on request
11500F
Exclusive
Keysight
11500F
Cable, 3.5 mm (m) to 3.5 mm (m), DC - 26.5 GHz length: 152 cm
Offer Request
4 in stock. Ready to ship in 1 business day
N9936A
Exclusive
Keysight
N9936A
FieldFox handheld µW spectrum analyzer 100 kHz to 14 GHz, USB 2.0, LAN, rechargeable battery
  • Sweep: linear
  • Frequency stability: 0.7ppm
  • Detectors: RMS average, normal, positive peak, negative peak, sample
  • Analysis bandwidth (MHz): 10
  • Special features: large buttons many measurement applications optional reflection-free display Real time spectrum with 10 MHz bandwidth
  • Resolution bandwidth: 1Hz
  • Interfaces: USB, LAN
  • min. Frequency range (KHz): 100
  • max. Frequency range (GHz): 14
  • DANL Displayed Average Noise: approx. -148 dBm
  • Dynamics: 175 dB
  • SSB phase noise: &lt; -106 dBc/Hz @ 1 GHz (30 kHz carrier offset)
  • Tracking-Generator: external optional
  • 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
  • Filter bandwidths: 1 Hz to 500 kHz
  • Amplitude range: -148 dBm to 27 dBm
Offer Request
Delivery time on request
FSH-Z36
Rohde&Schwarz
FSH-Z36
Replacement headphones for FSH3/6/18, FSH 45508 (1145.5838.02)
€36.00
Delivery time on request
11742A
Keysight
11742A
Blocking Capacitor, 0.045 to 26.5 GHz
Offer Request
Delivery time on request
N9962A-330
Exclusive
Keysight
N9962A-330
Pulse measurements for FieldFox N9962A
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.