DO-160 Section 20

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The EMC Shop stocks radiated susceptibility equipment and materials to complete testing according to RTCA DO-160 Section 20.

The section contains methods for RF conducted susceptibility (CS) testing and Radio Frequency Susceptibility (RS) testing, which can be a lot to unpack if unfamiliar with the testing. The EMC Shop personnel can review with you to determine which portions of DO-160 Section 20 to tackle.

DO-160 SECTION 20 TEST METHODS

CONDUCTED SUSCEPTIBILITY

Similar to MIL-STD-461F test method CS114, the RF conducted susceptibility test has the RF interference coupled into the EUT interconnecting cables and power leads using an injection probe calibrated (in a 50 ohm fixture) to the required test level before performing the test.

During testing, the RF current induced into the cable or lead under test is monitored with a calibrated RF current probe, and the RF power applied to the injection probe is increased until the appropriate current level (as defined by the applicable Equipment Category used) is reached.

RADIATED SUSCEPTIBILITY

Similar to MIL-STD-461F test method RS103, the EUT and its interconnecting cables and power leads are exposed to RF radiated fields in the frequency range of 100 MHz to 18 GHz.

RESOURCES

DO-160 SECTION 20 TEST SETUP

Diagram of an RF testing setup with calibration points and measurement equipment per RTCA/DO-160 Section 20

DO-160 SECTION 20 TEST EQUIPMENT

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DO-160 Section 20 Test Equipment, Systems & Solutions

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