參數(shù)資料
型號: AK2540
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Quad T1 Transceiver
中文描述: 的4 T1收發(fā)器
文件頁數(shù): 11/33頁
文件大?。?/td> 159K
代理商: AK2540
ASAHI K ASEI [AK2540]
MS0012-E-00 2000/1
11
TRANSMITTER
Transmitter characteristics are guaranteed under the conditions shown below.
VDD=3.3V±5% or 5.0V±5%, VSS=0V, GND=0V, Ta=-40 - 85
°
C,
MCLK frequency: 1.544MHz±100ppm, 24.704MHz±100ppm
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Output Pulse Shape
GR-499,
Note1
Output Pulse Amplitude
2.5
3.0
3.5
V
0p
Note1, Note2
Output Pulse Imbalance
0.4
0.
02
0.025
0.025
0.05
dB
Output J itter
10Hz-8kHz
10Hz-40kHz
8kHz-40kHz
Broad Band
UIpp
Power Levels @772kHz
12.6
15
17.9
dBm Note3
Power Levels @1.544MHz
-29
dB
Note3, Note4
Consecutive Zeros before DPM Alarm
320
Note 1: Measured at the DSX terminated with 100ohm.
Note 2: Turns Ratio and DCR of transmission transformer are recommended value.
Note 3: Measured in a 2kHz bandwidth about the specified frequency. Transmit all mark pattern.
Note 4: Referenced to the power at 772kHz.
ISOLATED PULSE MASK (GR-499)
Normalized Amplitude
-1
-0.5
0
0.5
1
1.5
-1
-0.5
0
0.5
1
1.5
Time, in Unit Intervals
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