Proprietary And Confidential - Sierra Wireless MC5725 Hardware Integration Manual

Cdma and gsm / umts mini card
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CDMA and GSM / UMTS Mini Card Hardware Integration Guide
EDGE mating (52‐pin) 12
host‐module 12
RF, Hirose 12
USIM 12
current
consumption 27–35
usage models 35
peak inrush current, calculation 25
specifications, MC57xx 28
specifications, MC8775/75V 28–30
specifications, MC8780/81 30–31
specifications, MC8785V 31–32, 32–33
current, consumption 27
D
DCS 1800
RF parameters, MC87xx 37
sensitivity, test results 48
desense. See RF
design checklist
antennas 75
component placement 75
EMI/ESD 76
host/modem communications 76
power 75
thermal 76
device
positioning, sensitivity testing 45
disconnected, module power state 19
diversity antenna
disabling 41
DTMF
codec 52
module‐controlled 58
E
echo cancellation
audio feature 51
codec 52
details 56
module‐controlled 58
support, all modes 56
EDGE connector, manufacturers 12
efficiency
test criteria 108
EGSM 900
RF parameters, MC87xx 37
sensitivity, test results 47
electrostatic discharge. See ESD
ESD
design checklist 76
protection requirements 18
testing techniques document (IEC‐61000‐4‐2) 14
120
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.

Proprietary and Confidential

F
fading correlation coefficient
test criteria 109
FCC
regulations, relevant section 13
FER (Frame Error Rate) 45
filtering
high pass / slope filtering, module‐controlled 58
filtering stages, audio 51
filtering, RF desense 43
FIR filtering
audio feature 51
codec 52
module‐controlled 58
frame error rate (FER)
measure of sensitivity, MC57xx 45
frequency bands, supported 102
G
gain
codec 52
distribution, audio 56
limits, adjustable 51
gain, antenna
test criteria 109
GPS band
RF parameters, MC57xx 37
RF parameters, MC87xx 38
GPS sensitivity
conducted, RF parameter, MC87xx 37
grounding
connection considerations 39
GSM 1900
sensitivity, test results 48
GSM 850
RF parameters, MC87xx 37
sensitivity, test results 47
H
handset audio mode 51
handset mode
echo cancellation 56
handshaking
USB 62
headset audio mode 51
headset mode
echo cancellation 56
Host⁄Module interface 61–71
I
I/O rise time requirements 67
impedance
module‐antenna 41
USIM 67
2130114

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