參數(shù)資料
型號: AK2548
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 7 channel E1 Transceiver
中文描述: 7頻道E1收發(fā)器
文件頁數(shù): 11/30頁
文件大?。?/td> 158K
代理商: AK2548
ASAHI K ASEI [AK2548]
C0028-E-00 1999/9
11
TRANSMITTER
Transmitter characteristics are guaranteed on the conditions as shown below.
VDD=3.3V±5%,VSS,GND=0V,Ta=-40~85oC, MCLK frequency:2.048MHz±100ppm, 32.768MHz±100ppm
Parameter
Symbol
Min
Typ
Max
Units
Condition
Output Pulse Shape
G.703
Output Pulse Amplitude 75
120
75
120
2.14
2.7
2.
37
3.0
2.60
3.3
0.
237
0.3
V
0p
V
0p
V
0p
V
0p
Note 1
Pulse Amplitude for a
space
-0.237
-0.3
Note 1
Output Pulse Imbalance amplitudes
widths
-4
-4
4
4
%
%
Output J itter
20Hz-100kHz
0.05
UIpp
Return Loss
51kHz-102kHz
102kHz-2.048MHz
2.048MHz-3.072MHz
9
15
11
dB
dB
dB
Note1: Turns Ratio, DCR and external resistors are recommended value. (P27)
Pulse Mask Template (G.703)
2
69 s
(244 5)
194 s
(244 0)
244 s
219 s
(244 5)
488 s
(244 44)
1
1
0%
50%
1
2
2
V 00%
2
Nominal ulse
Note
– orresponds o he ominal eak alue.
Mask f he ulse t he 048 bit/s nterface
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