參數(shù)資料
型號: GS1528-CTA
廠商: Gennum Corporation
英文描述: GS1528 HD-LINX-TM II Multi-Rate SDI Dual Slew-Rate Cable Driver
中文描述: GS1528的HD - LINX進程,商標第二多速率SDI雙擺率電纜驅(qū)動器
文件頁數(shù): 10/13頁
文件大小: 458K
代理商: GS1528-CTA
GS1528 Data Sheet
16632 - 5
June 2005
10 of 13
3.5 Output Amplitude Adjustment
The output amplitude of the GS1528 can be adjusted by changing the value of the
R
SET
resistor as shown in
Figure 3-4
and
Table 3-1: RSET vs VOD
. For an
800mV
p-p
output with a nominal ±7% tolerance, a value of 750
Ω
is required. A ±1%
SMT resistor should be used.
Figure 3-4: Output Amplitude Adjustment
The R
SET
resistor is part of the high speed output circuit of the GS1528. The
resistor should be placed as close as possible to the R
SET
pin. In addition, the PCB
capacitance should be minimized at this node by removing the PCB groundplane
beneath the R
SET
resistor and the R
SET
pin.
NOTE: For reliable operation of the GS1528 over the full temperature range, do not
use an R
SET
value below 573
Ω
.
Table 3-1: R
SET
vs V
OD
R
SET
R (
Ω
)
Output Swing
995
608
824
734
750
800
600
884
573
1040
1100
1000
900
800
700
700 800 900 1000
R
SET
R (
Ω
)
O
600
600
500
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