參數(shù)資料
型號: 73K302L-IH
廠商: TDK Corporation
英文描述: Single-Chip Modem
中文描述: 單芯片調(diào)制解調(diào)器
文件頁數(shù): 18/29頁
文件大?。?/td> 282K
代理商: 73K302L-IH
73K302L
Bell 212A, 103, 202
Single-Chip Modem
18
ELECTRICAL SPECIFICATIONS
(continued)
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
FSK Modulator
TX scrambled marks
-11.5
-10
-9
dBm0
Output Freq. Error
CLK = 11.0592 MHz
-0.35
+0.35
%
Transmit Level
Transmit Dotting Pattern
-11.5
-10
-9
dBm0
Soft Carrier Turnoff Tone
-11.9
-10.9
-9.9
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
Must not be in 202 mode
Freq. Accuracy
-0.25
+0.25
%
Output Amplitude, Low group
DPSK mode
-10
-9
-8
dBm0
Output Amplitude, High group
DPSK mode
-8
-7
-6
dBm0
Twist
High-Band to Low-Band
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 from TXA to the telephone line.
2 dB gain in the Receive path from the telephone line to RXA.
Refer to the Basic Box Modem diagram in the Applications section for the DAA design.
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