FN6982.1 November 19, 2009 Operation The QLx4300-S45 is an advanced quad lane-extender for high-speed interconnects. A functional diagram of on" />
參數(shù)資料
型號(hào)： QLX4300SIQSR
廠(chǎng)商： Intersil
文件頁(yè)數(shù)： 2/21頁(yè)
文件大?。?/td> 0K
描述： IC EQUALIZER REC 3.125GBPS 46QFN
標(biāo)準(zhǔn)包裝： 100
系列： QLx™
應(yīng)用： 數(shù)據(jù)傳輸
接口： SMBus（2 線(xiàn)/I²C）
電源電壓： 1.1 V ~ 1.3 V
封裝/外殼： 46-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 46-TQFN
包裝： 帶卷 (TR)
安裝類(lèi)型： 表面貼裝
10
FN6982.1
November 19, 2009
Operation
The QLx4300-S45 is an advanced quad lane-extender for
high-speed interconnects. A functional diagram of one of
the four channels in the QLx4300-S45 is shown in
Figure 17. In addition to a robust equalization filter to
compensate for channel loss and restore signal fidelity,
the QLx4300-S45 contains unique integrated features to
preserve special signaling protocols typically broken by
other equalizers. The signal detect function is used to
mute the channel output when the equalized signal falls
below the level determined by the Detection Threshold
(DT) pin voltage. This function is intended to preserve
periods of line silence (“quiescent state” in InfiniBand
contexts).
As illustrated in Figure 17, the core of each high-speed
signal path in the QLx4300-S45 is a sophisticated
equalizer followed by a limiting amplifier. The equalizer
compensates for skin loss, dielectric loss, and impedance
discontinuities in the transmission channel. Each
equalizer is followed by a limiting amplification stage that
provides a clean output signal with full amplitude swing
and fast rise-fall times for reliable signal decoding in a
subsequent receiver.
Individually Adjustable Equalization Boost
Each channel in the QLx4300-S45 features an
independently settable equalizer for custom signal
restoration. Each equalizer can be set to one of 32 levels
of compensation when the serial bus is used to program
FIGURE 13. INPUT DIFFERENTIAL RETURN LOSS
FIGURE 14. OUTPUT DIFFERENTIAL RETURN LOSS
FIGURE 15. DIFFERENTIAL CROSSTALK BETWEEN
ADJACENT INPUT CHANNEL
FIGURE 16. DIFFERENTIAL CROSSTALK BETWEEN
ADJACENT INPUT CHANNELS
Typical Performance Characteristics (Continued)
-35
-30
-25
-20
-15
-10
-5
0
00.5
11.522.533.5
4
Frequency (GHz)
SDD
1
(
d
B)
Channel 1
Channel 2
Channel 3
Channel 4
-35
-30
-25
-20
-15
-10
-5
0
00.5
11.522.533.5
4
Frequency (GHz)
S
D
D2
2
(
d
B)
Channel 1
Channel 2
Channel 3
Channel 4
FIGURE 17. FUNCTIONAL DIAGRAM OF A SINGLE
CHANNEL WITHIN THE QLx4300-S45
+
-
SETTABLE
EQUILIZER
LIMITING
AMPLIFIER
AMPLITUDE
DETECTOR
MUTE
ENABLED
OUT[k]
IN[k]
IS[k]
>200k
Ω
BIT SELECT
(CP[k]/DI)
DT
QLx4300-S45
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參數(shù)描述
QLX4300SIQT7 功能描述:接口 - 專(zhuān)用 4 GBS QD CH LANE EXTENDER RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
QLX4600LIQSR 功能描述:接口 - 專(zhuān)用 6 GBS QD CH LANE EXTENDER RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
QLX4600LIQT7 功能描述:接口 - 專(zhuān)用 6 GBS QD CH LANE EXTENDER RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
QLX4600MIBQ15 制造商:Intersil Corporation 功能描述:IC LINEAR
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