R&S®ESPI Test Receiver

The reference instrument for the EMI precompliance class

Specifications

Frequency range   R&S®ESPI3: 9 kHz to 3 GHz
R&S®ESPI7: 9 kHz to 7 GHz
Frequency resolution   0.01 Hz
Frequency accuracy standard 1 × 10-6
  with R&S®FSP-B4 (OCXO) option 1 x 10-7
External reference frequency   10 MHz
Measurement time receiver mode/scan (per frequency step) selectable from 100 µs to 100 s
  analyzer mode/sweep time selectable from 2.5 ms to 16000 s,
zero span from 1 µs to 16000 s
Resolution bandwidth analyzer mode (–3 dB) 10 Hz to 3 MHz in steps of 1/3/10
  receiver mode (EMI) 200 Hz, 9 kHz, 120 kHz (–6 dB),
1 MHz (impulse bandwidth)
Video bandwidth analyzer mode 1 Hz to 10 MHz in steps of 1/3/10
Preselection
(R&S®ESPI-B2 option)		 can be turned off in analyzer mode 11 fixed/continuously tunable filters up to 3 GHz
Preamplifier
(R&S®ESPI-B2 option)		 can be switched on/off 20 dB gain up to 3 GHz
Level
Max. RF level (CW) input attenuation ≥ 10 dB 137 dBµV (= 1 W)
Max. pulse energy input attenuation ≥ 10 dB, 10 µs 1 mWs
Max. pulse voltage input attenuation ≥ 10 dB, 10 µs 150 V
Third-order intercept (IP3) without preselection/preamplifier,
from 200 MHz to 3 GHz
from 3 GHz to 7 GHz
> 7 dBm, typ. 10 dBm
> 2 dBm, typ. 5 dBm (only at R&S®ESPI7)
  with preselection/without preamplifier,
from 200 MHz to 3 GHz		 > 2 dBm, typ. 5 dBm
1 dB compression f > 200 MHz, input attenuation 0 dB,
without preselection/preamplifier		 0 dBm, nominal
Total measurement uncertainty 95 % confidence level  
  < 3 GHz  
  without preselection/preamplifier 0.5 dB
  with preselection/preamplifier 1.5 dB
Displayed average noise level (DANL) receiver mode, nominal,
input attenuation 0 dB, termination 50 Ω		  
  without preselection/preamplifier, 1 MHz, BW = 9 kHz < 17 dBμV
  without preselection/preamplifier, 30 MHz to 1 GHz,
BW = 120 kHz		 < 6 dBμV
  with preselection/preamplifier, 1 MHz, BW = 9 kHz < 7 dBμV
  with preselection/preamplifier, 30 MHz to 1 GHz,
BW = 120 kHz		 < - 4 dBμV
Detectors receiver mode max./min. peak, quasi-peak, RMS,
average, average with meter time
constant (CISPR average), RMS
average (CISPR RMS)
Number of measurement points analyzer mode 125 to 8001 (default 501)
  receiver mode max. 1 million (frequency domain)