參數(shù)資料
型號(hào): 73K322L
廠商: TDK Corporation
英文描述: CCITT V.23, V.22, V.21 Single-Chip Modem(CCITT V.23, V.22, V.21單片Modem)
中文描述: 國(guó)際電話電報(bào)諮詢委員會(huì).23,.22,.21單芯片調(diào)制解調(diào)器(國(guó)際電話電報(bào)諮詢委員會(huì).23,.22,.21單片調(diào)制解調(diào)器)
文件頁(yè)數(shù): 18/30頁(yè)
文件大?。?/td> 316K
代理商: 73K322L
73K322L
CCITT V.23, V.22, V.21
Single-Chip Modem
18
DYNAMIC CHARACTERISTICS AND TIMING
(TA = -40
°
C to +85
°
C, VDD = Recommended range unless otherwise noted.)
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
DPSK Modulator
Carrier Suppression
Measured at TXA
45
dB
Output Amplitude
TX scrambled marks
-11.5
-10
-9
dBm0
FSK Modulator
Output Freq. Error
CLK = 11.0592 MHz
-0.35
+0.35
%
Transmit Level
Transmit Dotting Pattern
-11.5
-10
-9
dBm0
Harmonic Distortion
in 700-2900 Hz band
THD in the alternate band
DPSK or FSK
-60
-50
dB
Output Bias Distortion
Transmit Dotting Pattern
In ALB @ RXD
±3
%
Total Output Jitter
Random Input in ALB @ RXD
-10
+10
%
DTMF Generator
Freq. Accuracy
Must be in V.22 mode
-0.25
+0.25
%
Output Amplitude
Low Band, V.22 mode
-10
-9
-8
dBm0
Output Amplitude
High Band, V.22 mode
High-Band to Low-Band, V.22 mode
-8
-7
-6
dBm0
Twist
1.0
2.0
3.0
dB
Long Loop Detect
With Sinusoid
-38
-28
dBm0
Dynamic Range
Refer to Performance Curves
45
dB
Note:
Parameters expressed in dBm0 refer to the following definition:
0 dB loss in the Transmit path to the line.
2 dB gain in the Receive path from the line.
Refer to the Basic Box Modem diagram in the Applications section for the DAA design.
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