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Equipment & Materials
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Transient Generators
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International (IEC/EN)
- EN/IEC 61000-3-2
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EMC Manufacturers
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Transient Generators
- Automotive Transient Immunity Generators
- Military Transient Pulse Generators
- Electrical Fast Transient EFT/Burst Generators
- Combination Wave/Surge Generators
- Multi-Test EMC Generators
- Ring Wave Immunity Generators
- Lightning Surge Generators
- Surge & Burst/EFT Generators
- Magnetic Field Generators
- Telecom Testing Generators
- EMI Receivers/EMC Analyzers
- RF Power Amplifiers
- RF Conducted Immunity
- RF Field Strength Meters
- Electrostatic Discharge (ESD) Guns
- EMC Antennas
- Antenna Preamplifiers
- Line Impedance Stabilization Networks (LISN's)
- EMC/EMI Signal Generators
- RF Power Meters
- Bulk Current Injection (BCI) Probes
- EMC Probes
- Coupling Decoupling Networks (CDN's)
- Power Fail Simulators
- Software for EMC Testing
- Calibration Equipment
-
International (IEC/EN)
- EN/IEC 61000-3-2
- EN/IEC 61000-3-3
- EN/IEC 61000-3-11
- EN/IEC 61000-3-12
- EN/IEC 61000-4-2
- EN/IEC 61000-4-3
- EN/IEC 61000-4-4
- EN/IEC 61000-4-5
- EN/IEC 61000-4-6
- EN/IEC 61000-4-7
- EN/IEC 61000-4-8
- EN/IEC 61000-4-9
- EN/IEC 61000-4-10
- EN/IEC 61000-4-11
- EN/IEC 61000-4-12
- EN/IEC 61000-4-16
- EN/IEC 61000-4-18
- EN/IEC 61000-4-19
- EN/IEC 61000-4-20
- EN/IEC 61000-4-21
- EN/IEC 61000-4-29
- EN/IEC 61000-4-31
- IEC 61000-4-39
- Military & Aerospace Standards
- Automotive EMC Standards
- CISPR Standards
- FCC Part 15
- CE Mark Testing
- ANSI/IEEE Standards
- Standards by Product/Industry
- Telecom Testing
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Electrostatic Discharge Immunity Test
Most engineers have fundamental EMC understanding, including the experience of witnessing the ESD testing in a test lab. The test lab often relies on the product manufacturer to determine the test points as they draft the test plan in accordance to the product compliance standard, IEC/EN 61000-4-2 is a common electrostatic discharge immunity test standard, often referred to in product standards.
Most elecrostatic discharge testing, to most standards, will instruct the technician to run a test sequence of ten discharges in one second intervals in both positive and negative polarity. The test standard may notate a ‘test environment’ consisting of a test bench and grounding plane. For pre compliance testing, this may not be necessary. But take care to not discharge near other (expensive) electronics in use. With each electrostatic discharge, an EM pulse is emitted from the simulator and can affect nearby equipment. For precompliance, ESD generators have a voltage potentiometer to identify failure thresholds.
What is an Electrostatic Discharge Immunity Test
The primary goal is to replicate electric static and apply the event to a selected amount of test points. Common locations on todays commercial electronics include a USB port and the touch screen interface. Other locations on the chassis where a user may grab the product should be tested.
Electrostatic Discharge Immunity Test Setup
The goal is to directly apply the electrostatic discharge to the product under test using the contact tip. However, in most instances where a test point is to a non-conductive surface, the air tip is used. The user pulling the trigger to charge the air tip and approach until the discharge. There may be instances where an ESD event is not observed, assuming your electrostatic generator is functioning properly, this is OK and your product passes.