73K224L-28IH TDK [TDK Electronics], 73K224L-28IH Datasheet - Page 21

• Manufacturer Part Number: 73K224L-28IH
• Description: V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem
• Manufacturer: TDK [TDK Electronics]

DYNAMIC CHARACTERISTICS AND TIMING
PARAMETER
Carrier Detect
Answer Tone Detectors
Pattern Detectors
Receive Level Indicator
Output Smoothing Filter
Threshold
Hysteresis
Delay Time
Hold Time
Detect Level
Detect Time
Hold Time
S1 Pattern
Delay Time
Hold Time
Unscrambled Mark
Delay Time
Hold Time
Detect On
Valid after Carrier Detect
Output Impedance
Output load
Maximum Transmitted
Energy
FSK
DPSK
QAM
FSK
DPSK
QAM
CONDITION
All Modes
All Modes
70 dBm0 to -6 dBm0
70 dBm0 to -40 dBm0
-70 dBm0 to -6 dBm0
-70 dBm0 to -40 dBm0
-70 dBm0 to -6 dBm0
-70 dBm0 to -40 dBm0
-6 dBm0 to -70 dBm0
-40 dBm0 to -70 dBm0
-6 dBm0 to -70 dBm0
-40 dBm0 to -70 dBm0
-6 dBm0 to -70 dBm0
-40 dBm0 to -70 dBm0
Call Init Mode, 2100 or 2225 Hz
For signals from -6 to -40 dBm0,
-6 to -40 dBm0, Demod Mode
For signals from -6 to –40
call Init Mode
DPSK Mode
TXA pin
TXA pin; FSK Single
Tone out for THD = -50 dB
in 0.3 to 3.4 kHz range
4 kHz, Guard Tones off
10 kHz, Guard Tones off
12 kHz, Guard Tones off
Receive Gain = On for lower input level measurements
DPSK Mode
DPSK Mode
(continued)
V.22bis/V.22/V.21/Bell 212A/Bell 103
21
MIN
-48
-48
-22
25
25
25
25
25
15
20
14
25
18
10
10
10
10
10
7
7
6
6
1
Single-Chip Modem
NOM
200
2
4
MAX
300
-43
-43
-28
-35
-55
-65
37
37
17
17
37
37
37
30
29
21
32
28
50
50
55
45
45
45
50
7
73K224L
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
UNIT
K
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
pF