10.R&S ESPI3/7測試接收機 德國羅德與施瓦茨ESPI3/7測試接收機價格
ESPI3/7測試接收機特點：頻率范圍:9kHz到3/7GHz,頻率分辨率0.01Hz,對於滿足所有符合標準從9 kHz到3/7GHz的測試
R&S®ESPI3/7 Test Receivers
The R&S®ESPI EMI test receivers are especially designed to meet all EMC testing demands during product development and for EMC precertification. Equipped with the R&S®ESPI-B2 preselecor/preamplifier option, all R&S®ESPI models feature an excellent dynamic range and are therefore able to perform precise interference measurements for pulse repetition frequencies ≥ 10 Hz in line with CISPR 16-1-1.
Specifications in brief | |
Frequency | |
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®SP-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 | selecable from 2.5 ms to 16000 s, zero span from 1 μs to 16000 s |
Resolution bandwidths | |
3 dB bandwidths | 10 Hz to 10 MHz in steps of 1/3/10 |
6 dB bandwidths (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 |
Preselecion (R&S®SPI-B2 option) | can be turned off in analyzer mode, 11 fixed/continuously tunable filters up to 3 GHz |
Level | |
Max. RF level (CW), input attenuation ≥ 10 dB | 137 dBμV (= 1 W) |
Max. pulse energy, input attenuation ≥ 10 dB | 1 mWs (10 μs) |
Max. pulse voltage, input attenuation ≥ 10 dB, 10 μs | 150 V |
Preamplifier (R&S®SPI-B2 option) | can be switched on/off, 20 dB gain up to 3 GHz |
Third-order intercept (IP3) | |
Without preselection/preamplifier | |
from 200 MHz to 3 GHz | > 7 dBm, typ. 10 dBm |
from 3 GHz to 7 GHz | > 2 dBm, typ. 5 dBm (R&S®SPI7) |
With preselecion/without preamplifier | |
from 200 MHz to 3 GHz | > 2 dBm, typ. 5 dBm |
1 dB compression, f > 200 MHz, RF 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 preamplifier,1 MHz, BW = 9 kHz | < 17 dBμV |
Without preamplifier,30 MHz to 1 GHz, BW = 120 kHz | < 6 dBμV |
With preamplifier,1 MHz, BW = 9 kHz | < 7 dBμV |
With 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 (CAV), RMS-average (CRMS) |
Number of measurement points | |
Analyzer mode | 125 to 8001 (default 501) |
Receiver mode | max. 1 million (frequency domain) |
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