Spectrum Analysers

Spectrum analysers are widely used within the electronics industry for analysing the frequency spectrum of radio frequency, RF and audio signals. Looking at the spectrum of a signal they are able to reveal elements of the signal, and the performance of the circuit producing them. They are able to make a large variety of measurements and this means that they are an invaluable tool for the RF design development and test laboratories, as well as having many applications for specialist field service.

Spectrum analysers are an invaluable item of electronic test equipment used in the design, test and maintenance of radio frequency circuitry and equipment. They are used for observing signals in the frequency domain. Thus a spectrum analyser will display the amplitude of signals on the vertical scale, and the frequency of the signals on the horizontal scale.

Types of Spectrum Analysers

Swept spectrum analysers: Sweeping the frequency that is analysed across the required band to produce a view of the signals with their relative strengths. Type that is most widely used.

Fast Fourier Transform, FFT analysers: Converting the signals into a digital format for analysis digitally. More expensive and specialised.

Real-time analysers: Form of FFT analyser. Requiring much larger buffers and more powerful processing, these types are able to offer the top performance in signal analysis.

Audio spectrum analyser: Focussed on audio frequencies, this means that low frequency techniques can be adopted. This makes them much cheaper. It is even possible to run them on PCs with a relatively small amount of hardware.

Spectrum analysers tend to fall into 4 form factors:

  • Benchtop - can be plugged into AC power, which generally means in a lab environment or production/manufacturing area.
  • Portable – can be taken outside to make measurements or simply carried while in use.
  • Handheld - needs to be very light and small.
  • Networked - ability to connect the analyser to a network

Spectrum Analyser Tips

  • Beware input level: One major cause of damage is the input mixer being blown when the analyser is measuring high power circuits.
  • Determine if spurs are real
  • Wait for self-alignment: When first switched on, it goes through its software boot-up procedure and, undertakes a number of self-test and calibration routines.

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Beskrivning Pris Bandwidth Number of Channels Wave Traces Sweep Modes Series Setting Modes Maximum Frequency Minimum Frequency Frequency Stability Display Type Screen Size Markers RF Input Interface Type
RS-artikelnummer 826-2710
Tillv. art.nr58350-1240
VarumärkeAim-TTi
20 988,00 kr
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300 Hz → 10 MHz - Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 6GHz 10 MHz ±1ppm 10.9 cm Backlit TFT LCD 480 x 272pixel Dual BNC, SMA Connector, Standard N USB
RS-artikelnummer 826-2714
Tillv. art.nr58350-2440
VarumärkeAim-TTi
23 555,00 kr
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300 Hz → 10 MHz - Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 6GHz 10 MHz ±1ppm 10.9 cm Backlit TFT LCD 480 x 272pixel Dual BNC, SMA Connector, Standard N USB
RS-artikelnummer 123-6443
VarumärkeRS PRO
19 679,00 kr
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9 kHz → 2.1GHz 1 Reference Continuous, Single - Span, Zero Span 2.1GHz 9 kHz <0.5 (First Year)ppm TFT LCD - Single BNC RJ45, USB-A 2.0, USB-B 2.0
RS-artikelnummer 111-2375
Tillv. art.nrRSA306B
VarumärkeTektronix
40 891,00 kr
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40MHz - Live - - Centre + Span 6.2GHz 9 kHz ±20ppm LED 25.6cm Amplitude, Frequency, Signal Density SMA Connector -
RS-artikelnummer 123-3568
VarumärkeRS PRO
8 673,00 kr
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150 kHz → 3 GHz - - Continuous - Full Span, Last Span, Zero Span 3GHz 150 kHz - TFT LCD 5.6in Amplitude, Frequency N Connector RS232, USB, 9-Pin Female D-Sub Connector, 15-Pin Female D-Sub Connector
RS-artikelnummer 787-7683
Tillv. art.nrPSA2702USC
VarumärkeAim-TTi
14 473,00 kr
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30 MHz → 1.8 GHz 1 Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 2.7GHz 1 MHz ±10ppm 4.3 in TFT 480 x 272pixel Dual, Single SMA Connector USB
RS-artikelnummer 826-2717
Tillv. art.nr58350-2540
VarumärkeAim-TTi
20 330,00 kr
Each
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300 Hz → 10 MHz - Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 3.6GHz 10 MHz ±1ppm 10.9 cm Backlit TFT LCD 480 x 272pixel Dual BNC, SMA Connector, Standard N USB
RS-artikelnummer 768-3444
Tillv. art.nrPSA2702
VarumärkeAim-TTi
13 093,00 kr
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2.7GHz 1 Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 2.7GHz 1 MHz ±10ppm 4.3 in TFT 480 x 272pixel Dual, None, Single SMA Connector -
RS-artikelnummer 768-3447
Tillv. art.nrPSA1302
VarumärkeAim-TTi
10 461,00 kr
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1.3GHz 1 Live, Reference, View Continuous, Single - Centre + Span, Start + Stop 1.3GHz 1 MHz ±10ppm 4.3 in TFT 480 x 272pixel Dual, None, Single SMA Connector -
RS-artikelnummer 712-3554
Tillv. art.nrMTX1054B-PC
VarumärkeMetrix
13 942,00 kr
Each
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150MHz 4 - - - - 1GHz - ±200ppm - - - - USB
RS-artikelnummer 174-2986
Tillv. art.nrFPL1003-P3
VarumärkeRohde & Schwarz
125 216,00 kr
Each
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5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 5 kHz - TFT 210mm Frequency N Connector GPIB, RJ45, USB 2.0, 10/100BASE-T
RS-artikelnummer 174-2987
Tillv. art.nrFPL1003-P4
VarumärkeRohde & Schwarz
148 876,00 kr
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5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 5 kHz - TFT 210mm Frequency N Connector GPIB, RJ45, USB 2.0, 10/100BASE-T
RS-artikelnummer 144-8233
Tillv. art.nrFSC-P1
VarumärkeRohde & Schwarz
67 184,00 kr
Each
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9 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS-artikelnummer 174-2921
Tillv. art.nrFPC-P1TG
VarumärkeRohde & Schwarz
25 272,00 kr
Each
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5 kHz → 1 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 1GHz 5 kHz - WXGA 256.54mm Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
RS-artikelnummer 187-3723
Tillv. art.nrFPC-COM1
VarumärkeRohde & Schwarz
31 537,00 kr
Each
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5 kHz → 3 GHz 1 - - R&SFPC Span 3GHz 5 kHz - WXGA 10.1in Frequency N Connector -
RS-artikelnummer 180-4795
VarumärkeRS PRO
37 268,10 kr
Each
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9 kHz → 3 GHz - Average, Average (EMI), Blank, Clear & Write, Maximum Hold, Minimum Hold, Quasi-Peak (EMI), View Continuous, Single - Zero Span + Time Domain 3GHz 9 kHz 0.025ppm Built-in Spectrogram, Dual-View Display, Topographic - Frequency N-Type Female GPIB, LAN, MicroSD, RS232, USB
RS-artikelnummer 174-2922
Tillv. art.nrFPC-P2TG
VarumärkeRohde & Schwarz
34 008,00 kr
Each
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5 kHz → 2 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 2GHz 5 kHz - WXGA 256.54mm Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
RS-artikelnummer 187-3725
Tillv. art.nrFPC-COM2
VarumärkeRohde & Schwarz
45 496,00 kr
Each
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5 kHz 3 GHz 1 - - R&SFPC Span 3GHz 5 kHz - WXGA 10.1in Frequency N Connector -
Nytt
RS-artikelnummer 195-3196
Tillv. art.nrN9320B
86 768,11 kr
Each
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1MHz - - Continuous, Single - - 3GHz 100 kHz ±5ppm - 640 x 480pixel Frequency N-Type Female -
RS-artikelnummer 144-8235
Tillv. art.nrFSC-P3
VarumärkeRohde & Schwarz
86 840,00 kr
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9 kHz → 6 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 6GHz 9 kHz - LCD - Frequency N Connector LAN, USB
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