參數(shù)資料
型號(hào): HFCT-5402D
英文描述: 2488 Mb/s Single Mode Fiber Transceiver for SONET OC-48/SDH STM-16 and ATM(應(yīng)用于SONET OC-48/SDH STM-16 和ATM的2488 Mb/s 單模式光收發(fā)器)
中文描述: 2488 Mb / s的掃描隧道顯微鏡的SONET OC-48/SDH單模光纖收發(fā)器- 16和ATM(應(yīng)用于的SONET OC-48/SDH的STM - 16和自動(dòng)柜員機(jī)的2488 Mb / s的單模式光收發(fā)器)
文件頁數(shù): 9/20頁
文件大小: 1017K
代理商: HFCT-5402D
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Wavelength (nm)
R
Figure 15. Typical dc Responsivity of an InGasAs PIN Photodiode
Figure 16. Filter Network for Power Supply Noise Reduction
Power Supply Filtering
Good power supply filtering is
required for optimum receiver
performance. The LC filtering
technique illustrated in Figure 16
is recommended for the user.
This configuration of filtering
arrangement is adopted for the
HFCT-5402D evaluation board.
Figure 17 shows the noise
rejection response for such an
configuration. Additional
information is provided in
Figure 18 to show noise rejection
when the series inductor value is
increased to 47 uH. Using an
intermediate value of series
inductance allows the designer to
balance physical size, ohmic
resistance (and hence voltage
drop) and filtering capability to
suit application needs.
100 nF
FILTERED V
CCR
to PIN 14
V
CCR
V
EE
10 uH
100 nF
10 uF
+
0.01
1.00E+00
0.1
1
10
1.00E+01
1.00E+02
1.00E+03
1.00E+04
1.00E+05
1.00E+06
1.00E+07
Frequency (Hz)
N
Figure 17. Power Supply Noise Rejection with 10 uH Inductor(-1 dB Receiver Sensitivity)
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