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參數(shù)資料
| 型號： | GS9068ACKAE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1528A / GS9068A HD-LINX-R II Multi-Rate Dual Slew-Rate Cable Driver |
| 中文描述： | GS1528A / GS9068A的HD - LINX進程- R的第二多速率的雙擺率電纜驅(qū)動器 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 495K |
| 代理商： | GS9068ACKAE3 |
GS1528A / GS9068A Data Sheet
30953 - 4
January 2006
11 of 16
Figure 5-3: Static Protection Diodes
5.3 Output Return Loss Measurement
To perform a practical return loss measurement, it is necessary to force the
GS1528A/9068A output to a DC high or low condition. The actual measured return
loss will be based on the outputs being static at V
CC
or V
CC
-1.6V. Under normal
operating conditions the outputs of the device swing between V
CC
-0.4V and
V
CC
-1.2V, so the measured value of return loss will not represent the actual
operating return loss.
A simple method of calculating the values of actual operating return loss is to
interpolate the two return loss measurements. In this way, the values of return loss
are estimated at V
CC
-0.4V and V
CC
-1.2V based on the measurements at V
CC
and
V
CC
-1.6V.
The two values of return loss (high and low) will typically differ by several decibels.
If the measured return loss is R
H
for logic high and R
L
for logic low, then the two
values can be interpolated as follows:
R
IH
= R
H
- (R
H
-R
L
)/4 and
R
IL
= R
L
+(R
H
-R
L
)/4
where R
IH
is the interpolated logic high value and R
IL
is the interpolated logic low
value.
For example, if R
H
= -18dB and R
L
= -14dB, then the interpolated values are
R
IH
= -17dB and R
IL
= -15dB.
SDO
SDO
GS1528A
相關PDF資料 |
PDF描述 |
|---|---|
| GS1532-CF | GS1532 HD-LINX-TM II Multi-Rate Serializer |
| GS1532-CFE3 | GS1532 HD-LINX-TM II Multi-Rate Serializer |
| GS1535-CFU | GS1535 HD-LINX II-TM Multi-Rate SDI Automatic Reclocker |
| GS1535-CFUE3 | GS1535 HD-LINX II-TM Multi-Rate SDI Automatic Reclocker |
| GS1535A | GS1535A / GS9065A HD-LINX-R II Multi-Rate SDI Automatic Reclocker |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GS9068ACTAE3 | 制造商:Semtech Corporation 功能描述:SD/ASI Cable Driver (to 540Mb/s) |
| GS9068-CKA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS9068-CKAE3 | 制造商:Semtech Corporation 功能描述:Cable Driver 8-Pin SOIC 制造商:Semtech Corporation 功能描述:SD/ASI Cable Driver (to 540Mb/s) |
| GS9068-CTA | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:SD SDI Cable Driver |
| GS9068-CTAE3 | 制造商:Semtech Corporation 功能描述:SD/ASI Cable Driver (to 540Mb/s) |
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