73K224BL Datasheet, PDF (24/33 Pages) List of Unclassifed Manufacturers – Single-Chip Modem w/ Integrated Hybrid

73K224BL
V.22bis/V.22/V.21/Bell 212A/103
Single-Chip Modem w/ Integrated Hybrid
DYNAMIC CHARACTERISTICS AND TIMING (continued)
PARAMETER
Carrier Detect
Threshold
Hysteresis
Delay Time
FSK
DPSK
QAM
Hold Time
FSK
DPSK
QAM
Answer Tone Detectors
Detect Level
Detect Time
Hold Time
Pattern Detectors
S1 Pattern
Delay Time
Hold Time
Unscrambled Mark
Delay Time
Hold Time
Receive Level Indicator
Detect On
Valid after Carrier Detect
CONDITION
MIN
NOM
Receive gain = On for lower input level measurements
All modes
-48
All modes
2
70 dBm0 to -6 dBm0 Change at input
25
70 dBm0 to -40 dBm0 Change at input
25
-70 dBm0 to -6 dBm0 Change at input
7
-70 dBm0 to -40 dBm0 Change at input
7
-70 dBm0 to -6 dBm0 Change at input
25
-70 dBm0 to -40 dBm0 Change at input
25
-6 dBm0 to -70 dBm0 Change at input
25
40 dBm0 to -70 dBm0 Change at input
15
-6 dBm0 to -70 dBm0 Change at input
20
-40 dBm0 to -70 dBm0 Change at input
14
-6 dBm0 to -70 dBm0 Change at input
25
-40 dBm0 to -70 dBm0 Change at input
18
DPSK Mode
-48
Call init mode, 2100 or 2225 Hz
6
Call init mode, 2100 or 2225 Hz
6
DPSK Mode
For signals from -6 to -40 dBm0,
10
Demodulation mode
10
For signals from -6 to -40 call init
10
mode
10
DPSK Mode
-22
1
4
MAX
-43
37
37
17
17
37
37
37
30
29
21
32
28
-43
50
50
55
45
45
45
-28
7
UNIT
dBm0
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
dBm0
ms
ms
ms
ms
ms
ms
dBm0
ms
24