Emc And Esd Features - Huawei ME909u-523 Hardware Manual

HUAWEI ME909u-523 LTE LGA Module
Hardware Guide
Item
Life High temperature
operating life
High temperature
& high humidity
Temperature
cycle-Non
operating
ESD HBM (Human
Body Model)
ESD with DVK (or
embedded in the
host)
Groups ≥ 2

5.7 EMC and ESD Features

The following are the EMC design comments:

Issue 01 (2014-05-24)
Test Condition

Temperature: 75ºC
 Operation mode: working
with service connected

Test duration: 168 h, 336
h, 500 h, 1000 h for
inspection point
 High temperature: 85ºC
 Humidity: 85%

Operation mode: powered
on and no working
 Test duration: 168 h, 336
h, 500 h, 1000 h for
inspection point

High temperature: 85ºC
Low temperature: –40ºC

 Temperature change
slope: 6ºC/min
 Operation mode: no
power

Test duration: 168 h,
336 h, 500 h, 1000 h for
inspection point
 1 kV (Class 1 B)
 Operation mode: no
power

Contact Voltage: ±2 kV,
±4 kV
 Air Voltage : ±2 kV, ±4 kV,
±8 kV
 Operation mode: working
with service connected
Attention should be paid to static control in the manufacture, assembly, packaging,
handling, storage process to reduce electrostatic damage to HUAWEI module.
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Copyright © Huawei Technologies Co., Ltd.
Electrical and Reliability Features
Standard Sample
size
JESD22- 50
A108-B pcs/group
JESD22- 50
A110-B pcs/group
JESD22- 50
A104-C pcs/group
JESD22- 3 pcs/group
A114-D
IEC6100 2 pcs
0-4-2
Results
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Cross section: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Cross section: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
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