參數(shù)資料
型號: 73K322L-IP
廠商: TDK Corporation
英文描述: CCITT V.23, V.22, V.21 Single-Chip Modem
中文描述: 國際電話電報諮詢委員會.23,.22,.21單芯片調(diào)制解調(diào)器
文件頁數(shù): 20/30頁
文件大?。?/td> 288K
代理商: 73K322L-IP
73K322L
CCITT V.23, V.22, V.21
Single-Chip Modem
20
DYNAMIC CHARACTERISTICS AND TIMING
(continued)
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Special Tone Detectors
(continued)
980 or 1650 Hz
V.21 marks
10
25
ms
Hold Time
2100 Hz answer tone
4
15
ms
1300 Hz calling tone
3
10
ms
390 Hz
V.23 back channel mark
10
25
ms
980 or 1650 Hz
V.21 marks
5
15
ms
Hysteresis
2
dB
Detect Freq. Range
Any Special Tone
-3
+3
%
Output Smoothing Filter
Output load
TXA pin; FSK Single
Tone out for THD = -50 dB
in 0.3 to 3.4 kHz
10
50
k
pF
Out of Band Energy
Frequency >12 kHz in all modes
-60
dBm0
Output Impedance
TXA pin, TXA enabled
20
50
Clock Noise
TXA pin; 76.8 kHz or
122.88 kHz in V.23 main channel
0.1
0.4
mVrms
Carrier VCO
Capture Range
Originate or Answer
-10
+10
Hz
Capture Time
-10 Hz to +10 Hz Carrier
Freq. Change Assumed
40
100
ms
Recovered Clock
Capture Range
% of frequency
center frequency
(center at 1200 Hz)
-625
+625
ppm
Data Delay Time
Analog data in at RXA pin to
receive data valid at RXD pin
30
50
ms
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73K322L CCITT V.23, V.22, V.21 Single-Chip Modem(CCITT V.23, V.22, V.21單片Modem)
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