Equalizer function - PowerPoint PPT Presentation

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Equalizer function

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... Difference signal HDMI / PCIE / SATA / SAS ... low program HDMI 0, 1, 3 ... – PowerPoint PPT presentation

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Title: Equalizer function


1
Equalizer function
Pericom High speed Driver Product
Techmosa / FAE Michael
2007/3/20
2
Equalizer Equalizer (EQ ?????????) ??????, ??,
?? ????? ?? ??????, ?? R / L / C
???????????????????, ?? ???????????????
?????????????????????????? EQ ?????? ??????????
Audio ???? ??????Audio ?????? ?????????
Difference signal ????? HDMI / PCIE / SATA / SAS
? ????????? ???? PC ? ????? ???? , ???????? ?? ,
PCB ????, ????, ????????? ??? ??????? ?????????
??????????? ?? IC ???? ????? ????? ??????????
??/?? IC ????? ???????? ?????. ????? Pericom
?????? ???? Driver IC ?? EQ ?????
3
Pericoms EQ function ?? ??????????? Pericom ?
Driver IC ?? Equalization solution
?? ????????? Pericom ?? HDMI / PCIe / SATA / SAS
?????????? ??????? Driver IC ????????? ???????
?????? EQ (Equalizer) ? ??, ????????????? ,
????????????? ???????? Tr ??? ????????,
?????????????? ?, ?? EQ ????? ??????? ?????? (Rx)
????????? ??????Work, ?? ? ????.
Equalizer
Transmitter
Long Trace
A
B
D
C
A
B
C
D
4
Pericoms EQ ????? ??? ????? ????? (dB),
??????? ??? IC ???? ??? ? pull-high ? pull-low
?program ????? ? HDMI ??? ???? 0, 1, 3, 6,
8,16dB ???????? ? PCIe / SATA /SAS ??? ???? 0,
1.5, 7.5dB ?????????
5
CML With Internal Termination De- emphasis
CML With internal 50Ohm Termination
De-Emphasis
Equalizer
Pin Program
Pin Program
6
???? ?? ?? 40 inch ? ???????????????? ???
7
Pericoms solution HDMI Active switch
PI3HDMI411AD/412AD
PI3HDMI341AR/421AR ???? . Revision
HDMI 1.3 Compatible up to 12bit/channel 2.5Gbps
. HPD, SCL and SDA switch integrated
. 8KV contact ESD protection on high speed
signals . No external transistors
required . Up to 16dB Equalization max,
with adjustable levels . 9,5dB
de-emphasis max, with adjustable levels

8
PCIe PI2EQX4401 / 4402 SATA/SAS PI2EQX3201 /
3202 ???? . Support driving of SAS,
SATA, XAUI FC signals up to 32 of FR4
trace lengths on PCB boards . 3.125
4.5 Gbps performance _at_ 1.8V, Low power 100 mW
. Flow-Thru signal path . Provides
Integrated clock buffer to support need in SSC
. LFBGA Small package using TQFN
technology . 0.18u Technology .
Programmable trace equalization and programmable
driver de-emphasis END!! ???? . ?? . Pericom
Semiconductor Corporation (www.pericom.com)
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