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參數(shù)資料
| 型號(hào)： | GS1524A |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1524A HD-LINX-RII Adaptive Cable Equalizer |
| 中文描述： | GS1524A的HD - LINX進(jìn)程- RII的自適應(yīng)電纜均衡器 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大?。?/td> | 271K |
| 代理商： | GS1524A |
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GS1524A Data Sheet
28852 - 1
May 2005
12 of 16
Figure 4-1: Typical Output Voltage Levels
4.3 Programmable Mute Output and Cable Length Indicator
For SMPTE 259M inputs, the GS1524A incorporates a programmable threshold
output mute (MCLADJ) and an analog cable length indicator (CLI).
MCLADJ
In applications where there are multiple input channels using the GS1524A, it is
advantageous to have a programmable mute output to avoid signal crosstalk.
The output of the GS1524A can be muted when the input signal decreases below
a certain input level. This threshold is determined using the input voltage applied
to the MCLADJ pin. The MCLADJ pin may be left unconnected for applications
where output muting is not required.
This feature has been designed for use in applications such as routers where
signal crosstalk and circuit noise cause the equalizer to output erroneous data
when no input signal is present. The use of a Carrier Detect function with a fixed
internal reference does not solve this problem since the signal to noise ratio on the
circuit board could be significantly less than the default signal detection level set by
the on chip reference.
NOTE: MCLADJ is only recommended for data rates up to 360Mb/s.
CLI
The output voltage of the CLI pin is an approximation of the amount of cable
present at the GS1524A input. With 0m of cable, 800mV input signal levels, and a
data rate of 270Mb/s, the CLI output voltage is approximately 2.5V. As the cable
length increases, the CLI voltage decreases providing an approximate correlation
between the CLI voltage and cable length.
NOTE: CLI is only recommended for data rates up to 360Mb/s.
50
50
SDO
SDO
+187.5mV
-187.5mV
V
CM
= 2.925V
typical
+187.5mV
-187.5mV
V
CM
= 2.925V
typical
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| GS1524 | GS1524 HD-LINX-TM II Multi-Rate SDI Adaptive Cable Equalizer |
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| GS1524-CKDE3 | GS1524 HD-LINX-TM II Multi-Rate SDI Adaptive Cable Equalizer |
| GS1524-CTD | GS1524 HD-LINX-TM II Multi-Rate SDI Adaptive Cable Equalizer |
| GS1524-CTDE3 | GS1524 HD-LINX-TM II Multi-Rate SDI Adaptive Cable Equalizer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS1524A_09 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Adaptive Cable Equalizer |
| GS1524ACKDE3 | 功能描述:RF, RFID, WIRELESS RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:* 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁(yè)面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| GS1524ACTDE3 | 制造商:Semtech Corporation 功能描述:HD/SD/ASI Adaptive Equalizer |
| GS1524-CKD | 制造商:Gennum Corporation 功能描述: |
| GS1524-CKDE3 | 制造商:Semtech Corporation 功能描述:HD/SD/ASI Adaptive Equalizer. SOIC 16 制造商:Gennum Corporation 功能描述:Multi Rate SDI Adaptive Cable Equalizer 16-Pin SOIC |
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