參數(shù)資料
型號(hào)： GS1522-CQR
廠商： Electronic Theatre Controls, Inc.
英文描述： HDTV Serial Digital Serializer
中文描述： 高清晰度電視串行數(shù)字串行
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 414K
代理商： GS1522-CQR
GENNUM CORPORATION
522 - 26 - 00
15
G
Fig. 23 Signal Swing for Various R
SET
Admittances
When the outputs are used to differentially drive some other
device such as the GS1508, it is recommended to use 50
transmission lines with the smallest possible signal swing
while allowing 10% variation at the output swing to select
the right choice of the R
SET
resistor. To drive the GS1508,
the recommended R
SET
resistor is 150
. There is no need to
compensate for the return-loss in this situation. The
uncompensated waveform at the output is shown in Figure 24.
Fig. 24 Uncompensated Output Eye Waveform
Fig. 25 Compensated Output Eye Waveform
NOTE: Figures 24 and 25 show the waveforms on an
oscilloscope using a 75
to 50
pad.
S
O
1/RSET (
)
0.00 0.01 0.02 0.03
1.0
0.8
0.6
0.4
0.2
0.0
75
50
TABLE 4: R
SET
Values for Various Output Load Conditions
R
SET
RESISTOR
ADMITTANCE (g) OF
THE R
SET
RESISTOR
(= 1/R
SET
RESISTOR)
OUTPUT CURRENT
TRANSMISSION LINE,
TERMINATED AT THE
END. (PULL-UP
RESISTOR AT THE
SOURCE = 75
)
TRANSMISSION LINE,
TERMINATED AT THE
END. (PULL-UP
RESISTOR AT THE
SOURCE = 50
)
500.0
0.0020
2.506mA
0.094V
0.063V
150.0
0.0067
7.896mA
0.296V
0.197V
75.0
0.0133
15.161mA
0.569V
0.379V
53.6
0.0187
20.702mA
0.776V
0.517V
52.3
0.0192
21.216mA
0.796V
0.530V
49.9
0.0200
22.032mA
0.826V
-
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