Group: Rohde & Schwarz
Catalog excerpts
Kenneth Rasmussen
Open the catalog to page 1• Welcome & Introduction • Test sites & chambers for Fieldstrength testing • Overview of R&S products for EMI testing
Open the catalog to page 3Definition of ElectroMagnetic Compatibility (EMC) "The ability of devices and systems to operate in their electromagnetic environment without impairing their functions and without faults and vice versa, i. e. to ensure that operation does not influence the electromagnetic environment to the extent that the functions of other devices and systems are adversely EMS: Susceptibility (immunity) aspect EMI: Emission aspect < Focus of this presentation
Open the catalog to page 4generator of signal path interfering energy ROHDE&SCHWARZ 03/2011 | R&S Precompliance Solutions | 5 interfering energy
Open the catalog to page 5interference propagatior source medium
Open the catalog to page 6Electromagnetic Compatibility
Open the catalog to page 7Technical sources of RF disturbances natural sources atmospheric noise galactic noise electrostatic discharge intentional generation radio communication data transmission radio monitoring technical sources medical (diathermy, radiology) household (|jwave oven, inductive heating plate) power electronics energy distribution commutating motors
Open the catalog to page 8CISPR standards (excerpt from more than 30) Limits and methods of measurement of radio disturbance characteristics of industrial, scientific and medical (ISM) radio-frequency equipment (excluding surgical diathermy equipment) Limits and methods of measurement of radio disturbance characteristics of vehicles, motor boats and spark-ignited engine-driven Limits and methods of measurement of radio disturbance characteristics of sound and television receivers Limits and methods of measurement of radio disturbance characteristics of household electrical appliances, portable tools and similar...
Open the catalog to page 9Introduction of CISPR 20 (immunity of radio/TV) Electromagnetic interference of radio and TV-sets by other radiocommunication services
Open the catalog to page 10Military examples - Crashes of the "Blackhawk" helicopter caused by susceptibility of onboard electronics to electro magnetic fields. "Radio Free Europe". of the German Armed Forces (WTD 81): Reaction on the crash of the TORNADO at Holzkirchen. Project costs: Approx. 25 M€
Open the catalog to page 11consultant, test houses
Open the catalog to page 12EMC processes: Types of testing
Open the catalog to page 13(near field) (near field) ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 14
Open the catalog to page 14Traditional non-military EMC model for testing ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 15
Open the catalog to page 15disturbance instrument
Open the catalog to page 16ElectroMagnetic Interference (EMI) testing (emission) test method EMI measurement (commercial stds.) EMI fieldstrength (magn. comp.) EMI fieldstrength (magn. comp.) EMI fieldstrength (electr. comp.) EMI fieldstrength (electr. comp.) EMI fieldstrength (electr. comp.) EMI measurements (military stds.) conducted emission (voltage) conducted emission (current) radiated emission
Open the catalog to page 17Test Receiver frequency responses test receiver ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 18
Open the catalog to page 18Definition of correction factor 2°y5™î> k(dB[x/|aV]) = output [dBx] - input [dBjaV] „result is level at receiver plus correction" current clamp Electric antenna To be put into magnetic antenna correction factor absorbing clamp table definitions as "unit"-► dB|jV dB[uV/uV] dB|jV dB[uA/uV] dB|jV dB[uV/m/uV] dB|jV dB[|jA/m/|jV] dB|jV dB[pW/|jV] k-factor unit ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 19
Open the catalog to page 19Error correction during measurements by interpolation frequency response linear (polygonous) interpolation |<al i bri erdaten ULTRALOG HL562 Calibration report ULTRALOG HL562 Ideal correction curve^" 1 Gain VSWR frequency response inverse correction curve discrete points ^^interpolation
Open the catalog to page 20Correction factors (4) Error correction during measurements by interpolation A linear interpolation spline interpolation frequency response to be corrected f fL(x) = fR(x) fL ‘(x) = fR ‘(x) fL ‘‘(x) = fR‘‘(x) hyperbolic curves (splines) 03/2011 | R&S Precompliance Solutions | 21
Open the catalog to page 21Test Receiver Front Panel ROHDE&SCHWARZ 03/2011 | R&S Precompliance Solutions | 22
Open the catalog to page 22Test Receiver Display =KTR*Vin test receiver Test Receiver ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 23
Open the catalog to page 23EMI Voltage testing overview Devices under test: all non-military equipment - measurement of conducted EMI as a voltage using a standardized load impedance - frequency range: (9kHz to)150 kHz to 30 MHz (CISPR band A + B) - main equipment: test receiver, AN, ground plane, (artificial hand) - important for the receiver: pulse protection - important for the operator: electrical safety problem
Open the catalog to page 24EMI Voltage test: Basic test settings i M ROHDE&SCHWARZ 03/2011 | R&S Precompliance Solutions | 25
Open the catalog to page 25EMI voltage test: Basic test setup >200 cm reference ground EUT AN > 200 test receiver 40 cm 30 to 40 cm 80 cm >80 cm 03/2011 | R&S Precompliance Solutions | 26 wooden table
Open the catalog to page 26EMI voltage test: Artificial hand (CISPR 14) reference ground plane connection with metal housing parts foil around grip worst case test with and without art. hand ! ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 27
Open the catalog to page 27EMI voltage test: Power mains impedances M ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 28
Open the catalog to page 28EMI voltage test: AN functional principle Names: Artificial Mains Network AMN Artificial Network AN Line Impedance Stabilisation Network LISN filter power supply highpass impedance stabilisation 230 V/50 Hz 110 V/60 Hz DUT 03/2011 | R&S Precompliance Solutions | 29 test receiver
Open the catalog to page 29EMI voltage test: V-type LISNs 50Q / 50JIH + 5Q V-Type LISN from 9 kHz to 150 kHz 50Q / S0[xH V-Type LISN from 150 kHz to 30 MHz ROHDE&SCHWARZ OS/2011 | R&S Precompliance Solutions | 30
Open the catalog to page 30EMI voltage test: Typical circuit of LISN Artificial Mains Network mains 250 uH 50 uH highpass Test Receiver 8 uF 2 uF 5 1k DUT u_nnb_rs 03/2011 | R&S Precompliance Solutions | 31 50
Open the catalog to page 31EMI voltage test: R&S LISNs improved functions
Open the catalog to page 32Input capability of test receivers |§_
Open the catalog to page 33All Rohde Schwarz catalogs and technical brochures
-
R&S®FPC Spectrum analyzer
16 Pages
-
R&S®ZNL vector network analyzer
18 Pages
-
R&S®MXO 4 Oscilloscope
40 Pages
-
R&S®RTE1000 oscilloscope
40 Pages
-
R&S®FPL1000
20 Pages
-
R&S®ZNA vector network analyzers
52 Pages
-
R&S®HF907
2 Pages
-
R&S®RO129 Antenna Rotator
6 Pages
-
R&S®PR100 Portable Receiver
30 Pages
-
R&S®ETC Compact TV Analyzer
12 Pages
-
R&S®RSC Step Attenuator
10 Pages
-
R&S®RTA4000 Oscilloscope
22 Pages
-
R&S®NRP Power Meter Family
40 Pages
-
R&S®EVSF1000
12 Pages
-
R&S®UMS175
10 Pages
-
R&S®AVHE100
24 Pages
-
HM8030
2 Pages
-
R&S®HMC8015 Power Analyzer
10 Pages
-
R&S®HM8118 LCR-Bridge
2 Pages
-
Digital Multimeter HMC8012
3 Pages
-
Mobile network testing solutions
20 Pages
-
Value Instruments Catalog
69 Pages
-
Test & Measurement Catalog 2016
266 Pages
-
R&S®BBA150 Broadband Amplifier
16 Pages
-
R&S®UPZ Audio Switcher
6 Pages
-
R&S®SMZ Frequency Multiplier
8 Pages
-
Test & Measurement Catalog 2013/2014
214 Pages
-
R&S®CMW-CU Control Unit
6 Pages
-
R&S®FSQ Signal Analyzer
14 Pages
-
R&S®FSU Spectrum Analyzer
16 Pages
-
R&S®RTE-B1 Mixed Signal, 400 MHz
26 Pages
-
R&S®RTO Digital Oscilloscopes
32 Pages
-
R&S®ZVB Vector Network Analyzers
20 Pages
-
R&S®IQR I/Q Data Recorde
16 Pages
-
R&S®CMA180 Radio Test Set
16 Pages
-
R&S®CBT/CBT32 Bluetooth® Tester
20 Pages
-
R&S®UPV Audio Analyzer
24 Pages
-
R&S®RTE Digital Oscilloscope
26 Pages
-
R&S®TSMX-PPS2 GPS Module
4 Pages
-
R&S®CMW500 Platform overview
20 Pages
-
R&S®EM010 VXI HF Receiver
10 Pages
-
UMS120 Monitoring Syste
8 Pages
Archived catalogs
-
Network Operators Catalog
18 Pages
-
Broadcasting Catalog
144 Pages
-
Secure communication Catalog
274 Pages
-
T & M Product Catalog
146 Pages
-
R&S®RF Step Attenuators
2 Pages
-
Q8384 Optical Spectrum Analyzer
10 Pages
-
R&S®NRP Power Meter
22 Pages
-
Audio Analyzers ¸UP 300/¸UP 350
16 Pages
-
R&S®ZVL Vector Network Analyzers
14 Pages
-
SMU200A Flyer
2 Pages
-
SMU200A Vector Signal Generator
44 Pages
-
R&S®EVS300 ILS/VOR Analyzer
12 Pages
-
WiMAX Communication Tester
16 Pages