LARA-R2 series - System Integration Manual
UBX-16010573 - R02
Objective Specification
Design-in
Page 122 of 148
2.13
ESD guidelines
The sections 2.13.1 and 2.13.2 are related to EMC / ESD immunity. The modules are ESD sensitive devices and
the ESD sensitivity for each pin (as Human Body Model according to JESD22-A114F) is specified in
LARA-R2
series
Data Sheet
[1]. Special precautions are required when handling: see section 3.2 for handling guidelines.
2.13.1
ESD immunity test overview
The immunity of devices integrating LARA-R2 series modules to Electro-Static Discharge (ESD) is part of the
Electro-Magnetic Compatibility (EMC) conformity, which is required for products bearing the CE marking,
compliant with the R&TTE Directive (99/5/EC), the EMC Directive (89/336/EEC) and the Low Voltage Directive
(73/23/EEC) issued by the Commission of the European Community.
Compliance with these directives implies conformity to the following European Norms for device ESD immunity:
ESD testing standard
CENELEC EN 61000-4-2
[17] and the radio equipment standards
ETSI EN 301 489-1
ETSI EN 301 489-7
ETSI EN 301 489-24
[20], which requirements are summarized in Table 50.
The ESD immunity test is performed at the enclosure port, defined by
ETSI EN 301 489-1
[18] as the physical
boundary through which the electromagnetic field radiates. If the device implements an integral antenna, the
enclosure port is defined as all insulating and conductive surfaces housing the device. If the device implements a
removable antenna, the antenna port can be separated from the enclosure port. The antenna port includes the
antenna element and its interconnecting cable surfaces.
The applicability of the ESD immunity test to the whole device depends on the device classification as defined by
ETSI EN 301 489-1
[18]. Applicability of the ESD immunity test to the relative device ports or the relative
interconnecting cables to auxiliary equipments, depends on device accessible interfaces and manufacturer
requirements, as defined by
ETSI EN 301 489-1
Contact discharges are performed at conductive surfaces, while air discharges are performed at insulating
surfaces. Indirect contact discharges are performed on the measurement setup horizontal and vertical coupling
planes as defined in
CENELEC EN 61000-4-2
For the definition of integral antenna, removable antenna, antenna port, device classification see
ETSI EN
301 489-1
[18], whereas for contact and air discharges definitions see
CENELEC EN 61000-4-2
Application
Category
Immunity Level
All exposed surfaces of the radio equipment and ancillary equipment in a
representative configuration
Contact Discharge
4 kV
Air Discharge
8 kV
Table 50: EMC / ESD immunity requirements as defined by CENELEC EN 61000-4-2, ETSI EN 301 489-1, 301 489-7, 301 489-24
