參數(shù)資料
型號(hào): Q2406B
廠商: Electronic Theatre Controls, Inc.
英文描述: SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE
中文描述: 自成一體的位置的GSM / GPRS或850/1900畢帶模塊900/1800
文件頁(yè)數(shù): 27/81頁(yè)
文件大小: 922K
代理商: Q2406B
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
27 / 81
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
2.11
Analog to Digital Converter
Analog to Digital converter input is provided by the WISMO Quik Q24x6 Series.
This converter is a 10 bits one, ranging from 0 to 2.8V .
Pin description
Signal
Pin number
I/O
I/O type
Description
AUXV0
33
I
Analog
A/D converter
Electrical Characteristics
Parameter
Min
Max
Unit
Resolution
10
bits
Sampling rate
90.3
Ksps
Input signal range
0
2.8V
V
ADC Reference Accuracy
0.75
2
%
Integral Accuracy
+/- 1
LSB
Differential Accuracy
+/- 1
LSB
Input Impedance ( R )
10
M
Input Impedance ( C )
100
nF
2.12
Audio interface
Two different microphone inputs and two different speaker outputs are
supported.
The WISMO Quik Q24x6 Series also includes an echo cancellation feature
which allows handsfree function.
2.12.1 Microphone inputs
The MIC2 inputs already include the biasing for an electret microphone
allowing an easy connection to a handset.
The MIC1 inputs do not include an internal bias. MIC1/SPK1 is then
appropriate for a hands free system or a handset with biasing external to the
module.
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