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. The 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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Description Price 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 Stock No. 174-2924
Mfr. Part No.FPC-P3TG
kr 43 155,00
Each
Units
5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 5 kHz - WXGA 256.54mm Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
RS Stock No. 125-9492
Mfr. Part No.FPH
kr 44 940,00
Each
Units
5 kHz → 2 GHz - Reference Average, Continuous, Peak Hold - Span 2 GHz, 3 (with FPH-B3 Option) GHz, 4 (with FPH-B4 Option) GHz 5 kHz - WVGA 800 x 480pixel Single N Socket RJ45, USB, 10/100BASE-T
RS Stock No. 174-2986
Mfr. Part No.FPL1003-P3
kr 124 005,00
Each
Units
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 Stock No. 144-8211
Mfr. Part No.FPC-P2
kr 24 885,00
Each
Units
5 kHz → 2 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 2GHz 5 kHz - LCD - Frequency N Connector USB
RS Stock No. 174-2987
Mfr. Part No.FPL1003-P4
kr 150 308,00
Each
Units
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 Stock No. 144-8234
Mfr. Part No.FSC-P2
kr 85 680,00
Each
Units
9 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS Stock No. 144-8233
Mfr. Part No.FSC-P1
kr 69 195,00
Each
Units
9 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS Stock No. 174-2928
Mfr. Part No.FPH-P5
kr 59 955,00
Each
Units
5 kHz → 4 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 4GHz 5 kHz - WVGA 800 x 480pixel Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
RS Stock No. 144-8210
Mfr. Part No.FPC-P1
kr 16 065,00
Each
Units
5 kHz → 1 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 1GHz 5 kHz - LCD - Frequency N Connector USB
RS Stock No. 174-2927
Mfr. Part No.FPH-P4
kr 52 028,00
Each
Units
5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 5 kHz - WVGA 800 x 480pixel Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
RS Stock No. 144-8235
Mfr. Part No.FSC-P3
kr 89 460,00
Each
Units
9 kHz → 6 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 6GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS Stock No. 187-3723
Mfr. Part No.FPC-COM1
kr 32 025,00
Each
Units
5 kHz → 3 GHz 1 - - R&SFPC Span 3GHz 5 kHz - WXGA 10.1in Frequency N Connector -
RS Stock No. 144-8212
Mfr. Part No.FPC-P3
kr 33 705,00
Each
Units
5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 3GHz 5 kHz - LCD - Frequency N Connector USB
RS Stock No. 174-2983
Mfr. Part No.FPL1003-P2
kr 125 003,00
Each
Units
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 Stock No. 144-8236
Mfr. Part No.FSC-P4
kr 107 100,00
Each
Units
9 kHz → 6 GHz 1 Average, Maximum Hold, Minimum Hold, View - - Span 6GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS Stock No. 174-2922
Mfr. Part No.FPC-P2TG
kr 34 335,00
Each
Units
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 Stock No. 174-2921
Mfr. Part No.FPC-P1TG
kr 25 515,00
Each
Units
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 Stock No. 174-2981
Mfr. Part No.FPL1003-P1
kr 103 530,00
Each
Units
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 Stock No. 187-3725
Mfr. Part No.FPC-COM2
kr 46 200,00
Each
Units
5 kHz → 3 GHz 1 - - R&SFPC Span 3GHz 5 kHz - WXGA 10.1in Frequency N Connector -