參數(shù)資料
型號(hào): AFE1104E
英文描述: HDSL/MDSL ANALOG FRONT END
中文描述: HDSL / MDSL模擬前端
文件頁數(shù): 5/10頁
文件大?。?/td> 203K
代理商: AFE1104E
AFE1104
5
TYPICAL PERFORMANCE CURVES
At Output of Pulse Transformer
Typical at 25
°
C, AV
DD
= +5V, DV
DD
= +3.3V, unless otherwise specified.
CURVE 1. Upper Bound of Power Spectral Density Measured at the Transformer Output.
CURVE 2. Transmitted Pulse Template and Actual Performance as Measured at the Transformer Output.
0.4T
B = 1.07
C = 1.00
D = 0.93
0.4T
–0.6T
–1.2T
A = 0.01
E = 0.03
G = –0.16
A
B
C
D
E
F
G
H
0.01
1.07
1.00
0.93
0.03
–0.01
–0.16
–0.05
0.0264
2.8248
2.6400
2.4552
0.0792
–0.0264
–0.4224
–0.1320
–0.0264
–2.8248
–2.6400
–2.4552
–0.0792
0.0264
0.4224
0.1320
0.0088
0.9416
0.8800
0.8184
0.0264
–0.0088
–0.1408
–0.0440
–0.0088
–0.9416
–0.8800
–0.8184
–0.0264
0.0088
0.1408
0.0440
NORMALIZED
LEVEL
QUATERNARY SYMBOLS
+3
–3
+1
–1
14T
H = –0.05
50T
F = –0.01
A = 0.01
F = –0.01
0.5T
1.25T
CURVE 3. Input Impedance of rxLINE and rxHYB.
100
200
150
100
50
0
300
500
INPUT IMPEDANCE vs BIT RATE
I
)
Bit Rate (kbps)
700
900
1300
1100
E1
T1
T1 = 78kbps, 45k
E1 = 1168kbps, 30k
1K
–20
–40
–60
–80
–100
–120
10K
100K
POWER SPECTRAL DENSITY LIMIT
P
Frequency (Hz)
1M
10M
–38dBm/Hz for T1
–40dBm/Hz for E1
196kHz
292kHz
–80dB/decade
T1
–120dBm/Hz
for E1
–118dBm/Hz
E1
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