AR RF/Microwave Instrumentation provides systems that are among the most reliable in the industry. These systems take the guesswork out of mixing and matching various hardware components from different vendors and hoping that they can work together as desired. This is accomplished through careful consideration of test system component specifications and applicable test standard requirements. The addition of emcware, a user-friendly test software tool, further increases end user success.
This application note specifically gives a description of a Conducted Immunity (CI) system configuration that will satisfy many standards’ conducted immunity requirements over a range of 10 kHz to 3 GHz and can generate levels up to 500 mA, providing capability for testing to all of the standards listed in Table 1 below. Since this system covers a wide frequency band, both bulk cable injection (BCI) and tubular wave coupler (TWC) injection methods can be used. As examples, see Figures 1 and 2 for achievable automotive BCI and TWC limits. Note that these requirements may differ based on specific automotive manufacturer requirements and that limits will be different for other Military and Commercial standards. In addition, Table 2 provides an equipment list and indications of equipment required for each injection method.
The appropriate usage of these AR products is determined by the required frequency range of the test. Depending on which injection method is intended, the equipment will be configured as per the appropriate BCI or TWC method described in the applicable standards. General automotive test setups are provided for both BCI and TWC in Figure 3 as examples.
The CI system discussed herein is, as with all AR systems, is fully tested prior to delivery and arrives at the customer’s destination as one complete unit, capable of automated testing and report generation.
ISO 11451-4 | CISPR 14-2 |
ISO 11452-4 | CISPR 24 |
MIL-STD-461 CS114 | GMW 3097 |
DO-160 | Ford EMC_CS_2009 |
EN/IEC 61000-4-6 | Chrysler DC-11224 |
IEC 60601-1-2 | BMW GS95002 |
EN 50130-4 | Peugeot B217110 |
EN 61000-6-1/2 | Renault 36-00-808 |
EN 55024 | Other Auto Standards |
Item | BCI | TWC |
---|---|---|
Model 125A400M3, RF Amplifier, 10 kHz - 400 MHz, 125 W CW | X | |
Model 30W1000BM3, RF Amplifier, 1 - 1000 MHz, 30 W CW | X | |
Model 20S1G4M3, RF Amplifier, 700 MHz - 4.2 GHz, 20 W CW | X | |
Model DC3400A, Dual Directional Coupler, 10 kHz - 400 MHz, 200 W CW | X | |
Model DC3001A, Dual Directional Coupler, 100 kHz - 1000 MHz, 100 W CW | X | |
Model DC7144A, Dual Directional Coupler, 800 MHz - 4.2 GHz, 400 W CW | X | |
Signal Generator, 9kHz - 3GHz, AM, FM, PM, Pulse Modulation | X | X |
Model PM2003, 3 Channel Power Meter | X | X |
Model PH2000, Power Head, 10kHz - 8GHz, -60 dBm to +20 dBm | X | X |
Spectrum Analyzer, 9 kHz - 3 GHz | X | X |
Network Analyzer, 100 kHz - 3 GHz | X | |
Model SC1000M1, System Controller (RF Switch Matrix) | X | X |
Model BI00400, Bulk Current Injection Clamp, 10 kHz - 400 MHz | X | |
Model CF00400, Calibration Fixture for BI00400 Clamp | X | |
Model BP00400, Current Monitoring Probe, 10 kHz - 400 MHz | X | |
Model AF20050, 20dB Attenuator, 50W | X | |
Model AF10050, 10dB Attenuator, 50W | X | |
Model TL50050, Termination, 50 Ω, 50W | X | X |
Model BI30413, Tubular Wave Coupler, 400 MHz - 3 GHz, 13mm ID | X | |
Model CF30000, Tubular Wave Coupler Calibration Kit, 400 MHz - 3 GHz | X | |
Adapter, Coaxial, SMA (male) to N (female) | X | |
Model CC21111015, Coaxial Cable, N(m)-N(m), 1.5 m long | X | X |
Model CC21111003, Coaxial Cable, N(m)-N(m), 0.3 m long | X | X |
Control PC with emcware® software preloaded, includes IEEE-488 control interface (Desktop or Laptop specified at time of order) | X | X |
LISN available upon request | X | X |
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