- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄358314 > QLX111RIQSR (INTERSIL CORP) SPECIALTY TELECOM CIRCUIT, PQCC16 PDF資料下載
參數(shù)資料
| 型號(hào)： | QLX111RIQSR |
| 廠商： | INTERSIL CORP |
| 元件分類(lèi)： | 通信及網(wǎng)絡(luò) |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PQCC16 |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, PLASTIC, QFN-16 |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 462K |
| 代理商： | QLX111RIQSR |
7
FN6987.0
October 26, 2009
Line Silence/ Quiescent Mode
Line silence is commonly broken by the limiting
amplification in other equalizers. This disruption can be
detrimental in many systems that rely on line silence as
part of the protocol. The QLx111GRx contains special
lane management capabilities to detect and preserve
periods of line silence while still providing the
fidelity-enhancing benefits of limiting amplification during
active data transmission. Line silence is detected by
measuring the amplitude of the equalized signal and
comparing that to a threshold set by the voltage at the
DT pin. When the amplitude falls below the threshold,
the output driver stage is muted.
LOS I ndicator
Pin LOS is used to output the state of the muting circuitry
to serve as a loss of signal indicator for the device. This
signal is directly derived from the muting signal off the
DT-threshold signal detector output. The LOS signal goes
HIGH when the power signal is below the DT threshold
and LOW when the power goes above the DT threshold.
This feature is meant to be used in optical systems (e.g.
SFP+ ) where there are no quiescent or electrical-idle
states. In these cases, the DT threshold is used to
determine the sensitivity of the LOS indicator.
Detection Threshold ( DT) Pin Functionality
The QLx111GRx is capable of maintaining periods of line
silence by monitoring each channel for loss of signal
(LOS) conditions and subsequently muting the outputs of
a respective channel when such a condition is detected. A
reference voltage applied to the detection threshold (DT)
pin is used to set the LOS threshold of the internal signal
detection circuitry. Voltage control on the DT pin is done
via two external resistors. Both a pull-up and pull-down
resistor are tied to the DT pin, with suggested values
indicated in Figure 8. Other values of the resistors may
also be applicable; therefore customers are advised to
verify DT settings for their specific application.
FI GURE 6. CML I NPUT EQUI VALENT CI RCUI T FOR
THE QLx111GRx
FI GURE 7. CML OUTPUT EQUI VALENT CI RCUI T FOR
THE QLx111GRx
QLx111GRx
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| QLX111RIQT7 | SPECIALTY TELECOM CIRCUIT, PQCC16 |
| QM10TE-H | 10 A, 6 CHANNEL, NPN, Si, POWER TRANSISTOR |
| QM10TE-HB | 10 A, 6 CHANNEL, NPN, Si, POWER TRANSISTOR |
| QM15TB-24 | 15 A, 6 CHANNEL, NPN, Si, POWER TRANSISTOR |
| QM140R9M-25 | 60 MHz, OTHER CLOCK GENERATOR, PDIP14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| QLX111RIQT7 | 功能描述:接口 - 專(zhuān)用 QLX111RIQ 11 GBS SINGLE LANECVR 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 |
| QLX4000CQSFP0532 | 功能描述:CABLE QSFP ACTIVE 5 METERS RoHS:是 類(lèi)別:電纜組件 >> 可插式 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 線纜連接器:SFP+ 位置數(shù):20 連接器類(lèi)型:插頭至插頭 類(lèi)型:公型至公型 緊固型:銷(xiāo)鎖，推挽式 特點(diǎn):有源，拉片 纜線類(lèi)型:圓形，雙軸 使用:外部 長(zhǎng)度:32.80'（10m） 顏色:藍(lán) 屏蔽:屏蔽 線規(guī):28 AWG 電流 - 最大/觸點(diǎn):- 頻率 - 最大:11.1 Gbps 工作溫度:0°C ~ 70°C 產(chǎn)品目錄頁(yè)面:323 (CN2011-ZH PDF) |
| QLX4000CQSFP0730 | 制造商:Intersil 功能描述:11 GBS QSFP 7 MTR 30 AWG CBL |
| QLX4000CQSFP0828 | 制造商:Intersil 功能描述:11 GBS QSFP 8 MTR 28 AWG CBL |
| QLX4000CQSFP1024 | 制造商:Intersil 功能描述:11 GBS QSFP 10 MTR 24 AWG CBL |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。