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庫存編號 111-2375
製造零件編號RSA306B
BrandTektronix
HK$51,952.48
單位
9 kHz → 6.2 GHz - Live - - Centre + Span 6.2GHz 9 kHz ±20ppm LED 25.6cm Amplitude, Frequency, Signal Density SMA Connector -
RS庫存編號 826-2714
製造零件編號PSA6005USC
BrandAim-TTi
HK$26,667.47
單位
10 MHz → 6 GHz - 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庫存編號 768-3444
製造零件編號PSA2702
BrandAim-TTi
HK$15,046.14
單位
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庫存編號 826-2710
製造零件編號PSA6005
BrandAim-TTi
HK$24,156.65
單位
10 MHz → 6 GHz - 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庫存編號 768-3447
製造零件編號PSA1302
BrandAim-TTi
HK$12,046.95
單位
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庫存編號 826-2708
製造零件編號PSA3605
BrandAim-TTi
HK$20,329.23
單位
10 MHz → 3.6 GHz - 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庫存編號 787-7683
製造零件編號PSA2702USC
BrandAim-TTi
HK$16,301.03
單位
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庫存編號 826-2717
製造零件編號PSA3605USC
BrandAim-TTi
HK$22,901.76
單位
10 MHz → 3.6 GHz - 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庫存編號 206-699
製造零件編號MTX1050-PC
BrandMetrix
HK$14,513.20
單位
- - - - - Zero Span 1GHz 400 kHz ±5ppm - - - - USB
全新
RS庫存編號 223-1877
製造零件編號AFBR-S20M2NI
BrandBroadcom
HK$16,288.48
單位
730 → 1080 nm 8 - - AFBR-S20M2XX - - - - - - - - USB
RS庫存編號 144-8234
製造零件編號FSC-P2
HK$88,935.32
單位
9 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - FSC Span 3GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS庫存編號 174-2921
製造零件編號FPC-P1TG
HK$26,484.41
單位
5 kHz → 1 GHz 1 Average, Maximum Hold, Minimum Hold, View - FPC1500 Span 1GHz 5 kHz - WXGA 256.54mm Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
全新
RS庫存編號 223-1878
製造零件編號AFBR-S20M2VI
BrandBroadcom
HK$15,970.02
單位
370 → 750 nm 8 - - AFBR-S20M2XX - - - - - - - - USB
RS庫存編號 174-2987
製造零件編號FPL1003-P4
HK$156,018.26
單位
5 kHz → 3 GHz 1 Average, Maximum Hold, Minimum Hold, View - FPL1000 Span 3GHz 5 kHz - TFT 210mm Frequency N Connector GPIB, RJ45, USB 2.0, 10/100BASE-T
全新
RS庫存編號 230-7793
製造零件編號ZPH-FOX4
HK$71,164.29
單位
3MHz 1 - - ZPH Span - - - WVGA - - - LAN, USB
RS庫存編號 192-4587
製造零件編號BK2682
HK$29,972.07
單位
9 KHz → 2.1 GHz - - Continuous, Single 2680 Span 2.1GHz 9 kHz <1ppm - 1024 x 600pixel - BNC -
RS庫存編號 144-8235
製造零件編號FSC-P3
HK$92,858.94
單位
9 kHz → 6 GHz 1 Average, Maximum Hold, Minimum Hold, View - FSC Span 6GHz 9 kHz - LCD - Frequency N Connector LAN, USB
RS庫存編號 174-2922
製造零件編號FPC-P2TG
HK$35,639.52
單位
5 kHz → 2 GHz 1 Average, Maximum Hold, Minimum Hold, View - FPC1500 Span 2GHz 5 kHz - WXGA 256.54mm Frequency N Connector RJ45, USB 2.0, 10/100BASE-T
全新
RS庫存編號 230-7788
製造零件編號FPH-INH8
HK$87,095.38
單位
3MHz 1 - - FPH Span - - - WVGA - - - LAN, USB
全新
RS庫存編號 230-7784
製造零件編號FPC-EMI1
HK$19,489.31
單位
3MHz 1 Average, Maximum Hold, Minimum Hold, View - FPC1000 Span - - - WXGA - - - LAN, USB