SNA-26M Spectrograph and amplitude frequency analyzer

price: 17000
nominal dollars
SNA-26.jpg

* Spectrograph in the range of 9 kHz - 26,5GHz
     * Frequency resolution 1Hz
     * YIG preselector
     * IF filter with FFT from 10Hz
* Scalar analyzer in the range of 5MHz - 26,5GHz
* Synthesized microwave oscillator
     * Output attenuator 0 - 55 dB
     * Reference source frequency instability ±2*10-8
     * Short frequency setting time

Common features
Display TFT COLOR LCD
Diagonal size 17 cm (6.5")
YIG indicator resolution 640(H)x480(V)
Quantity of colours 16 bit
Input/output connector N(m), 50 Ω
Supply voltage (alternating) 200 - 250 V
Mains power consumption ≤ 50 W
Dimensions 320x145x310 mm
Weight 8 kg
Ambient temperature 0...40о С
Spectrograph mode
Measured frequency range: 9kHz - 26.5GHz
Subranges Band 0: 9 kHz - 2.15 GHz
Band 1: 2GHz - 26.5 GHz
YIG preselector range 2 - 26.5 GHz
Frequency resolution 1 Hz ...
IF band pass (on a -3dB level) 10Hz - 1MHz
IF band error ± 10%
IF filter selectivity ≤ 5:1 (-60dB : -3dB)
Videofilter 1Hz - 1MHz (1-3 step)
Swath 0Hz, 1kHz...26.5GHz
Reference source frequency 60 MHz
Frequency instability from temperature ± 2*10-8 (0...50oC)
Measured level range noise +20 dBm
Maximum input level (RF ATT=30dB, ±0Vac) +20 dBm
Average level of displayed noises (IF filter 10Hz) -135dBm + 2f (GHz)
Input attenuator (step 1dB) Band 0: 0...-60 dB (step 1dB)
Band 1: 0...-55 dB (step 5dB)
Attenuator error Band 0: ± 0,3dB+5% from RF ATT
Band 1: ± 2,5dB
Level measurement error ± 3dB
Second harmonic suppression -60 dBc
Selectivity over image channel -70 dBc
Intermodulation distortions of the 3d degree (two signals with a -27dBm level diversed within 100kHz) -70dBc (level on a mixer -30dBm), distance between two signals >50kHz
Scaling point 1dB -10 dBm (RF ATT=0dB)
Scale of indicator face (10 points) 10, 5, 2, 1 dB/point
Unit measure dBm, dBW, dbV, dBmV, dBµV
Detection mode Normal, Posi-peak, Nega-peak, Sample, Average (RMS, Video)
Scalar analyzer
Frequency range 5MHz - 26,5GHz
Subranges Band 0: 5MHz - 8GHz
Band 1: 8GHz - 20GHz
Band 2: 20GHz - 26.5GHz
Frequency resolution 1 Hz ...
Swath from 1kHz to 26,5GHz
Measuring limits Band 0: 50 dB
Band 1: 30 dB
Band 2: 30 dB
Output attenuator Band 0: 0...-60 dB (step 1dB)
Band 1: 0...-55 dB (step 5dB)
Band 2: 0...-55 dB (step 5dB)
Attenuator error Band 0: ±3dB + 5% from RF ATT
Band 1: ± 2.5 dB
Band 2: ± 2.5 dB
Measuring error ≤± 2dB
Switchable scale of indicator scale Band 0: 5, 3, 2, 1 dB/point
Band 1: 3, 2, 1 dB/point
Band 2: 3, 2, 1 dB/point
Reference signal level 0dBm (OUT ATT = 0dB)
Maximum sweep time Band 0: 150 ms
Band 1: 300 ms
Band 2: 300 ms
SWR analyzer
Frequency range (with application of external directional couplers) 5MHz - 26.5 GHz
Subranges Band 0: 5MHz - 8 GHz
Band 1: 8GHz - 20 GHz
Band 2: 20GHz - 26,5 GHz
Swath from 1 kHz to 26.5GHz
Frequency resolution 1 Hz ...
Measuring limits Band 0: 1.07 - 5
Band 1: 1.2 - 5
Band 2: 1.2 - 5
Measuring error not worse than ± (4K+5)%, where K is a measured value
Scale of indicator face Band 0: 1.07 - 5 / 3.6 / 1.9
Band 1: 1.2 - 5 / 3.6 / 1.9
Band 2: 1.2 - 5 / 3.6 / 1.9
Sweep-time Band 0: 150 ms
Band 1: 300 ms
Band 2: 300 ms
Generator
Frequency range 5MHz - 26.5 GHz
Subranges Band 0: 5MHz - 8GHz
Band 1: 8GHz - 20GHz
Band 2: 20GHz - 26.5GHz
Frequency resolution 1 Hz ...
Phase noise (while tuning out by 100kHz) ≤ -95 dBc/Hz
Reference source frequency 60 MHz
Frequency instability from temperature ±2*10-8 (0...50oC)
Maximum output level 0dBm (OUT ATT = 0dB)
Output attenuator Band 0: from 0 to -60 dB (step 1dB)
Band 1: from 0 to -55 dB (step 5dB)
Band 2: from 0 to -55 dB (step 5dB)
Attenuator error Band 0: ±3dB + 5% from RF ATT
Band 1: ±2.5dB
Band 2: ±2.5dB
Output level setting error not worse than ± 4dB
Second harmonic suppression not worse than Band 0: -50 dB
Band 1: -20 dB
Band 2: -20 dB
Compound signal suppression not worse than -50 dBc
Maximum frequency setting time ≤ 1ms