FN6979.1 November 19, 2009 FIGURE 34. APPLICATION CIRCUIT FOR THE QLx4600-S30 EVALUATION BOARD USING THE SERIAL BUS INTERFACE FOR SETTING THE E" />
參數(shù)資料
型號(hào): QLX4600SIQSR
廠商: Intersil
文件頁(yè)數(shù): 14/23頁(yè)
文件大?。?/td> 0K
描述: IC EQUALIZER REC 6.25GBPS 46QFN
標(biāo)準(zhǔn)包裝: 100
系列: QLx™
應(yīng)用: 銅電纜模塊
電源電壓: 1.1 V ~ 1.3 V
封裝/外殼: 46-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 46-TQFN
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
21
FN6979.1
November 19, 2009
FIGURE 34. APPLICATION CIRCUIT FOR THE QLx4600-S30 EVALUATION BOARD USING THE SERIAL BUS
INTERFACE FOR SETTING THE EQUALIZER COMPENSATION LEVEL
Typical Application Reference Designs (Continued)
Figures 33 and 34 show reference design schematics for a QLx4600-S30 evaluation board with an SMA connector
interface. Figure 33 shows the schematic for the case when the equalizer boost level is set via the CP pins. Figure 34
shows the schematic for the case when the level is set via the serial bus interface.
1
2
3
4
5
6
7
8
46
45
44
43
42
41
40
39
16
17
18
19
20
21
22
23
9
10
11
12
13
14
15
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
GND
IS2
IS1
MODE
IS4
IS3
1.2V
DT
IN1[P]
IN1[N]
IN2[P]
IN2[N]
IN3[P]
IN3[N]
IN4[P]
IN4[N]
OUT2[P]
OUT2[N]
OUT4[P]
OUT4[N]
OUT1[P]
OUT1[N]
OUT3[P]
OUT3[N]
6k
BGREF
A
QLx4600-S30
1.2V
100
pF
*
10
nF
Bypass circuit for each VDD pin: 4, 7, 10, 29, 32, 35
(*100pF capacitor should be positioned closest to the pin )
Detection threshold
reference current
QLx4600-S30
LANE EXTENDER
Reference
Serial Control Mode
Quellan , Inc.
= SMA Connector
A) DC Blocking Capacitors = X7R or COG
0.1μF (>4GHz bandwidth)
Impedance Select (Channels 3 and 4)
Impedance Select (Channels 1 and 2)
D
I
DO
CP
3
[A
]
CP
3
[B
]
CP
3[
C
]
CP
4
[A
]
CP
4
[B
]
CP
4[
C
]
NC
Se
ri
al
D
ata
In
Se
ria
lD
a
ta
O
ut
CL
K
EN
B
CP
1[
A
]
CP
1[
B
]
CP
1[
C]
CP
2[
A
]
CP
2[
B
]
CP
2[
C]
NC
Se
ri
al
C
lo
ck
In
En
a
bl
e
Ac
tiv
e
L
ow
MODE at 1.2V: Serial Control Mode
MODE at GND: Binary Control Mode
1.2V
100
k
47
nF
42
.2
k
QLx4600-S30
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