17 Specifications
Narda SRM-3006 183
Amplitude
RF input
Measurement range, setting
(MR)
-30dBm to +20dBm (in 1dB steps)
Display range 1 dB above the measurement range
Maximum RF power level 27 dBm (destruction limit)
Maximum DC voltage 50 V
Intrinsic noise • < -130 dBm or < MR - 100 dB for RBW = 1 kHz and f ≤ 30 MHz
• < -126 dBm or < MR - 96 dB for RBW = 1 kHz and f ≤ 2GHz
• < -125 dBm or < MR - 95 dB for RBW = 1 kHz and f ≤ 4GHz
• < -120 dBm or < MR - 90 dB for RBW = 1 kHz and f ≤ 6GHz
RF attenuation 0 to 50 dB in steps of ≤ 1dB
(coupled with measurement range)
2nd order intermodulation
products
< -40 dBc for two single signals of level 6 dB below MR and a
spectral line spacing of more than 1 MHz
3rd order intermodulation
products
• < -60 dBc for two single signals of level 6 dB below MR and a
spectral line spacing of more than 1 MHz for frequencies < 4 GHz
• < -57 dBc for two single signals of level 6 dB below MR and a
spectral line spacing of more than 1 MHz for frequencies = 4 GHz
Extended level measurement
uncertainty
< ±1.2 dB for the entire frequency band
(within the temperature range of 15 °C to 30 °C; valid for Spectrum
Analysis and Safety Evaluation modes only)
Spurious responses (input
related)
< -60 dBc or MR -60 dB
(whichever is worse)
Spurious responses (residual) < -90 dBm or MR -60 dB
(whichever is worse)
Except the following frequency ranges:
1570 to 1630 MHz, 4530 to 4590 MHz, 4610 to 4670 MHz
where the value is < -85 dBm or MR -55 dB
(whichever is worse)
Type N connector, 50 Ω
Return loss > 12 B for 1 kHz RBW, f ≤ 4.5 GHz and MR ≥ -28 dBm
> 10 dB for 1 kHz RBW, f > 4.5 GHz and MR ≥ -28 dBm
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