
21
INDUSTRIAL TEMPERATURE RANGE
NW6006 ENHANCED TYPE II CALLER ID DECODER
WITH STUTTER DIAL TONE DETECTOR
STUTTER DIAL TONE SIGNAL
Parameter
Description
Min
Typ
Max
Units
Test Conditions
t18
Stutter Dial Tone Signal Present Detect
Time
40
50
68
ms
t19
Stutter Dial Tone Signal Absent Detect
Time
32
48
52
ms
t20
Stutter Dial Tone Signal Duration Time
64
100
108
ms
SDT signal 100 ms on, 100 ms off.
Figure 21. Stutter Dial Tone Signal Detection Time
Tip/Ring
or Hybrid
Receive Pair
STRDT
t18
t19
Dial Tone
Signal
t20
Maximum Dropout
Span
Pulse Duration
Min.
Min
Max.
Figure 22. Valid DT-AS Pulses