2002 IEEE International Symposium on Electromagnetic Compatibility
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Các bài báo tiêu biểu
High sensitivity 50 Hz-1 MHz probe for B and dB/dt
Tập 1 - Trang 55-60 vol.1
An accurate broadband sensor for the analysis of magnetic induction B in the range 10 nT-5 mT is presented. Choosing appropriate amplifier circuits allows measurement of either B or dB/dt, in the frequency range 50 Hz-1 MHz, which makes it possible to detect very weak high-frequency fields with attenuation of the 50 Hz power frequency. The probe is also suitable for on-site measurements of common-......
#Probes #Magnetic field measurement #Frequency measurement #Electric variables measurement #Magnetic sensors #Magnetic analysis #Broadband amplifiers #High power amplifiers #VHF circuits #Attenuation measurement
A detailed test method for measuring radiated spurious emissions by signal substitution and the effect of relevant source parameters
Tập 1 - Trang 509-514 vol.1
This paper proposes a detailed test procedure for measurement of radiated spurious emissions (from a 3G Wireless Base Station) in a semi-anechoic chamber by means of 'signal substitution'. The proposed method may be adopted suitably for meeting the requirements of the FCC Rules Part 22 and 24 radiated spurious emissions requirements for licensed transmitters. This paper also quantifies the effect ......
#Testing #Antenna measurements #Enterprise resource planning #Frequency #Performance evaluation #Electromagnetic compatibility #Area measurement #Transmitting antennas #Base stations #Measurement standards
Electrical impact of high-speed bus crossing plane split
Tập 2 - Trang 861-865 vol.2
The importance of providing a continuous return current path for high-speed signal design is well recognized. A signal bus crossing a plane split has negative impact on SI (signal integrity) and EMI (electromagnetic interference). This paper provides numerical and/or measurement analysis to quantify these effects in the PCB environment, such as waveform distortion, increased crosstalk levels, and ......
#Testing #Voltage #Geometry #Solids #Routing #Distortion measurement #Electromagnetic measurements #Crosstalk #Signal design #Electromagnetic interference
A time-domain approach to extract SPICE-compatible equivalent models for embedded interconnects
Tập 2 - Trang 834-839 vol.2
This paper proposes an efficient algorithm for extracting SPICE-compatible circuits of embedded interconnect structures from FDTD-simulated time-domain reflections. A layer-peeling technique (LPT) is first employed to de-embed the interconnect-under-extract (IUE) and obtain the time-domain response of the IUE itself. A general pencil of matrix method (GPOM) is then used to get the pole-residue rep......
#Time domain analysis #Integrated circuit interconnections #Reflection #Transmission line matrix methods #Bandwidth #Circuit synthesis #Equivalent circuits #Circuit simulation #Bonding #Wire
Solving the power plane problem using finite difference frequency domain (FDFD), method of lines (MoL) and partial element equivalent circuit (PEEC) simulation technique
Tập 2 - Trang 761-765 vol.2
This work presents a comparison of the different techniques used for accurate simulation of simultaneous switching noise. Three different techniques, finite difference frequency domain (FDFD), method of lines (MoL) and partial element equivalent circuit (PEEC) simulation, are compared. The results of these three techniques are presented and are validated by comparison to laboratory measurements. T......
#Finite difference methods #Frequency domain analysis #Resonant frequency #Circuit simulation #Equivalent circuits #Laboratories #Printed circuits #Voltage #Integrated circuit noise #Circuit noise
CISPR 22 conducted common mode voltage measurements along a wire using a capacitive voltage probe
Tập 1 - Trang 1-5 vol.1
CISPR 22 (1997) defines the limits of conducted common mode emissions (disturbances) permitted from information technology equipment (ITE) over the frequency range of 150 kHz to 30 MHz. Of significant interest are conducted common mode emissions from telecommunications ports and cabling of the ITE that are used for the transmission of digital signals using unshielded twisted pair (UTP) cabling. Th......
#Voltage measurement #Wire #Probes #Testing #Impedance matching #Transfer functions #Frequency measurement #Communication cables #Delta modulation #Current measurement
Estimation on magnetic near field noise from PCB by FDTD implemented nonlinear switching transistor
Tập 2 - Trang 727-732 vol.2
The wideband electromagnetic noise radiated from PCB model driven by a switching device is one of the EMI problems. To estimate the noise radiation quantitatively, a switching transistor is modeled by the FDTD method by using Ebers-Moll equivalent circuit, and its parameter is determined by simple measurement. The magnetic near field noise is calculated by FDTD method implemented switching transis......
#Magnetic noise #Finite difference methods #Time domain analysis #Magnetic switching #Circuit noise #Low-frequency noise #Electromagnetic interference #Magnetic field measurement #Noise measurement #Pulse measurements
2-D approach to the analysis of semianechoic chambers using a hybrid technique
Tập 1 - Trang 279-284 vol.1
Semianechoic chambers are the most widely used emplacements for electromagnetic compatibility (EMC) tests. In this work a new and efficient technique for the analysis of 2-D simplified model of a chamber with arbitrary absorber is introduced and validated Some advanced results are presented, and a 2-D figure of merit for studying the overall behaviour of the chamber is proposed.
#Electromagnetic compatibility #Testing #Maxwell equations #Frequency #Magnetic fields #Open area test sites #Laboratories #Electromagnetic fields #Geometry #Admittance
A pulse method for measuring the minimum shielding effectiveness of enclosures
Tập 1 - Trang 377-382 vol.1
This paper reports a pulse technique for measuring the shielding effectiveness (SE) of enclosures, without the use of an anechoic chamber or an open area test site (OATS). Experimental results are presented and compared to those of the conventional frequency domain method using an anechoic chamber. The results obtained from the pulse method are in good agreement with those of the frequency domain ......
#Pulse measurements #Transmitting antennas #Frequency domain analysis #Anechoic chambers #Open area test sites #Calibration #Receiving antennas #Area measurement #Frequency measurement #Reflection
Investigating electromagnetic exposure of communication cables in reverberant chambers
Tập 1 - Trang 233-237 vol.1
As distributed electronic systems become more complex, the electromagnetic compatibility (EMC) behaviour of the communication cables becomes more significant. Hence a range of test methods must be developed that will provide an adequate measure of the cable's interference susceptibility. One such method is the 'mode stirred reverberation chamber method', which offers a complementary technique to t......
#Communication cables #Testing #Reverberation chamber #Electromagnetic measurements #Cable shielding #Electromagnetic compatibility #Impedance measurement #Electromagnetic interference #Surface impedance #Frequency