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XRT7295IW Просмотр технического описания (PDF) - Exar Corporation
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Список матч
XRT7295IW
DS3/Sonet STS-1 Integrated Line Receiver
Exar Corporation
XRT7295IW Datasheet PDF : 20 Pages
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XR-T7295
BLOCK DIAGRAM
ÎÎÎÎÎÎÎÎÎÎÎÎ
2
Attenuator
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
R
IN
REQB
18
Gain &
Equalizer
ÎÎÎÎÎÎÎÎÎ
Slicers
LPF1 LPF2 V
DD
A GNDA V
DD
D GNDD V
DD
C GNDC
ÎÎÎÎÎÎÎÎÎÎÎ
4
5
20
1 11
9 12 10
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
Phase
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î
Detector
Loop
Filter
VCO
14 RCLK
ÎÎÎ
Peak
ÎÎÎÎÎÎ
Detector
ÎÎÎÎÎÎÎ
19
LOSTHR
AGC
ÎÎÎÎÎÎÎÎÎÎÎÎ
Analog
ÎÎÎÎÎÎÎÎÎÎ
LOS
Equalizer
Tuning Ckt.
ÎÎÎÎÎÎÎÎÎ
Retimer
ÎÎÎÎÎÎ
Frequency Phase
ÎÎÎÎÎÎÎÎÎÎÎÎ
Aquisition Circuit
Analog
LOS
Digital
ÎÎÎ
LOS
ÎÎÎ
Detector
16 RPDATA
ÎÎ
15 RNDATA
Î
7 RLOS
ÎÎÎÎ ÎÎÎ
17
3
6
ÎÎÎÎ ÎÎÎ
ICT TMC1 TMC2
13
8
EXCLK RLOL
Figure 1. Block Diagram
Rev. 1.05
2
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