CH2100 查看數據表（PDF） - Cermetek Microelectronics
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CH2100 Datasheet PDF : 10 Pages
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Table 8. CH2100 Electrical Specifications
Parameter
Ring Voltage Sensitivity
Return Loss @ 1000 Hz
Ring Frequencies
Transmit Level
Command Mode After Reset
Inter Character Delay
Command Delay
Minimum Reset Pulse
Minimum Typical Maximum Units
40
VRMS
17
dB
15.3
68
Hz
-12
dBm
200
msec
20
msec
100
10
msec
msec
C o mmen ts
600 ohm
600 ohm - Data Mode
Delay
Between all command
characters
Between all AT
commands
If user supplied
Table 9. Other Performance Specifications
Parameter
DTMF Twist (Balance)
DTMF Tone Duration
Pulse Dialing Rate
Pulse Dialing Make/Break
Pulse Dialing Make/Break
Pulse Interdigit Interval
Call Progress Passband Frequency
Wait Time for Dial Tone
Minimum Typical Maximum Units Comments
3
dB
50
255 ms
95 ms default
10
20
pps 10pps default
39/61
%
US, Canada default
33/67
%
UK, Hong Kong
700
3000 ms
789 ms default
120
620 Hz
2
255 sec
Two seconds default
1999 Cermetek Microelectronics, Inc.
Document No. 607-2100 Rev.C (8/99) 9
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