參數(shù)資料
型號(hào): 73K224L-28IH
廠商: TDK Corporation
英文描述: V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem
中文描述: V.22bis/V.22/V.21 /貝爾212A/Bell 103單芯片調(diào)制解調(diào)器
文件頁數(shù): 21/32頁
文件大?。?/td> 206K
代理商: 73K224L-28IH
73K224L
V.22bis/V.22/V.21/Bell 212A/Bell 103
Single-Chip Modem
21
DYNAMIC CHARACTERISTICS AND TIMING
(continued)
PARAMETER
Carrier Detect
Threshold
Hysteresis
Delay Time
CONDITION
Receive Gain = On for lower input level measurements
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
DPSK Mode
MIN
NOM
MAX
UNIT
-48
-43
dBm0
2
25
25
7
7
25
25
25
15
20
14
25
18
37
37
17
17
37
37
37
30
29
21
32
28
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
FSK
DPSK
QAM
FSK
DPSK
Hold Time
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
Output Smoothing Filter
Output Impedance
Output load
-48
6
6
-43
50
50
dBm0
ms
ms
Call Init Mode, 2100 or 2225 Hz
DPSK Mode
10
10
55
45
ms
ms
For signals from -6 to -40 dBm0,
-6 to -40 dBm0, Demod Mode
10
10
45
45
ms
ms
For signals from -6 to –40
call Init Mode
-22
1
-28
7
dBm0
ms
DPSK Mode
4
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
200
300
10
K
pF
50
-35
-55
-65
dBm0
dBm0
dBm0
Maximum Transmitted
Energy
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