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Spectrum Analyzer | Frequency Analyzers

Product No: SPA-3P6G

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  • Description
  • A spectrum analyzer (also called Signal & Spectrum Analyzer, Frequency Analyzers or RF Spectrum Analzers) measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals.


    LISUN Model SPA-1P5G SPA-3P6G SPA-7P5G
    Range 9kHz-1.5GHz 9kHz-3.6GHz 9kHz-7.5GHz
    Resolution 1Hz
    Frequency span
    Range 0 Hz,100 Hz to maximum frequency of device
    Accuracy ± span /(swept points -1)
    Internal reference
    Reference frequency 10.000000 MHz
    Reference frequency accuracy ±[(days from last calibrate × freq aging rate)+ temperature stability + initial accuracy ]
    Temperature stability <2.5ppm (15℃ to 35℃) <1ppm(15℃ to 35℃)
    Aging rate <1ppm/year
    Marker frequency resolution span/(the number of sweep points -1)
    Uncertainty ±(freq indication × freq reference uncertainty +1%× span +10%× resolution bandwidth + Marker Frequency Resolution)
    Frequency counter
    Resolution 1 Hz,10 Hz,100 Hz,1 kHz
    Accuracy ±(marker freq × freq reference uncertainty + counter resolution)
    Resolution bandwidth (-3 dB) 10Hz to 500kHz(in 1 to 10 sequence), 1MHz,3MHz
    Resolution filter shape factor <5:1 nominal(Digital implement, similar to Gauss Pattern)
    Accuracy <5% nominal
    Video bandwidth (-3 dB) 10Hz to 3MHz
    Amplitude and electric level
    Amplitude measurement range DANL to +20 dBm, close the preamplifier
    Reference electric level -80 dBm to +30 dBm,0.01dBm steps
    Preamplifier 20 dB,nominal
    Input attenuator range 0~40 dB,1 dB steps 0~50 dB,1 dB steps
    Max input DC voltage 50 VDC
    Max continuous power +30dBm,average continuous power
    Displayed average noise level(DANL)Input attenuation 0 dB,1Hz resolution bandwidth
    Preamp off 1 MHz~10 MHz -140dBm(nominated)
    10 MHz~1GHz -140dBm(nominated)
    SPA-1P5G: 1GHz~1.5 GHz -138 dBm( nominated ) 
    SPA-3P6G: 1GHz~3.6 GHz -138 dBm( nominated ) 
    SPA-7P5G: 1GHz~3.6GHz -138dBm( nominated );4GHz~5GHz,-133dBm( nominated ) 
    5GHz~6GHz,-128dBm( nominated );6GHz~7GHz-123dBm( nominated ); 
    7GHz~7.5GHz,-118dBm( nominated )
    Preamp on 1 MHz~10 MHz -160dBm(nominated)
    10 MHz~1GHz -160dBm(nominated)
    SPA-1P5G: 1GHz~1.5 GHz -158 dBm( nominated ) 
    SPA-3P6G: 1GHz~3.6 GHz -158 dBm( nominated ) 
    SPA-7P5G: 1GHz~4GHz  -158dBm( nominated );4GHz~5GHz -153dBm( nominated ) 
    5GHz~6GHz  -148dBm( nominated );6GHz~7GHz -143dBm( nominated ) 
    7GHz~7.5GHz -138dBm( nominated )
    Phase noise 20 ℃ ~30 ℃,fc=1 GHz
    Phase noise <-82 dBc/Hz @10 kHz offset <-98 dBc/Hz @10 kHz offset
    <-100 dBc/Hz @100 kHz offset
    <-110 dBc/Hz @1 MHz offset
    Level display range
    Log scale coordinate 1dB ~255dB
    Linear scale coordinate 0 to reference level
    level unit dBm, dBuW, dBpW, dBmV, dBuV, W,V
    Points 201~1001
    Number of traces 5
    Detectors Positive-peak, negative-peak, sample, normal, RMS
    Trace functions Clear write, Max Hold, Min Hold, View, Blank, Average
    Frequency response (20℃ ~30℃,30%~70% relative humidity, 20 dB input attenuation, reference 50 MHz)
    Preamp off ±0.8 dB;
    Preamp on ±0.9 dB;
    Input Attenuation Switching Uncertainty 20℃ ~30℃, fc=50 MHz,Preamplifier Off, 20dB RF attenuation,input signal 1~40 dB ±0.5 dB
    Absolute Amplitude Uncertainty 20℃ ~30℃, fc=50 MHz,RBW=1 kHz,VBW=1 kHz,peak detector, 20 dB RF attenuation, 
    Preamplifier Off ±0.4 dB,input signal= -20dBm 
    Preamplifier On ±0.5 dB, input signal= -40dBm
    Uncertainty input signal range 0dbm~-50dbm
    ±1.5 dB
    VSWR input 10 dB RF attenuation,1 MHz~1.5GHz input 20 dB,1 MHz~7.5GHz
    Distortion and spurious response
    Second harmonic distortion fc ≥ 50 MHz,Preamp off, signal input -30 dBm, 0 dB RF attenuation, 20 ℃ to 30 ℃
    Third-order intermodulation fc ≥ 50 MHz
    +2 dBm (NSA1015/NSA1032/NSA1036) 
    1 dB Gain Compression fc ≥ 50 MHz, 0 dB RF attenuation,Preamp off , 20 ℃ to 30 ℃
    +2 dBm, nominal
    Residual response connect 50 Ω load at input port,0 dB input attenuation,20 ℃ to 30 ℃
    Input related spurious -30 dBm signal at input mixer,20 ℃ to 30 ℃
    <-60 dBc
    Sweep time and triggering
    Span range 100Hz≤SPAN≤3GHz 10ms to 3000s 
    zero sweep width 1ms to 3000s
    Mode Continue, single
    Trigger Free run, video
    Tracking generator
    Output frequency range 100 kHz~1.5 GHz 100 kHz~3.6 GHz(Tracking generator)  100 kHz~7.5 GHz(Tracking generator)
    35 MHz~3.6 GHz(Tracking generator)
    Output power level range -30 dBm~0 dBm , -40 dBm~0 dBm ,
    Output power level resolution 1dB
    Output flatness +/-3 dB
    Maximum safe reverse level Average total power:+30 dBm,DC : ±50 VDC
    Inputs and Outputs
    Front panel RF input connector 50 Ω,N-type female
    Front panel track generator output 50 Ω,N-type female
    10 M reference input 50 Ω,N-type female
    Communication port USB HOST, USB DEVICE, LAN, earphone port, REF and VGA
    General technical specification
    Display TFT LCD,10.4 inches
    Weight (without package) About 5 kg
    Dimension (W × H × D) 421 × 221 × 115 (mm)
    Working temperature 0~40 ℃
    Storage temperature -20 °C to +60 °C
    Power 100V~240V 50/60Hz

    Measuring Screen:

    Measuring screen

    Measuring screen

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