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參數資料
| 型號： | 6300 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 500mA, 200MHz X DSL LINE DRIVER IN 16-LEAD SSOP PACKAGE |
| 中文描述： | 500mA的，200MHz的X的DSL線路驅動器，采用16引線SSOP封裝 |
| 文件頁數： | 14/16頁 |
| 文件大小： | 237K |
| 代理商： | 6300 |
14
LT6300
APPLICATIOU
Using DC blocking capacitors, as shown in Figure 15, to
AC couple the signal to the transformer eliminates the
possibility for DC current to flow under any conditions.
These capacitors should be sized large enough to not
impair the frequency response characteristics required for
the data transmission.
Another important fault related concern has to do with
very fast high voltage transients appearing on the tele-
phone line (lightning strikes for example). TransZorbs
,
varistors and other transient protection devices are often
used to absorb the transient energy, but in doing so also
W
U
U
create fast voltage transitions themselves that can be
coupled through the transformer to the outputs of the line
driver. Several hundred volt transient signals can appear
at the primary windings of the transformer with current
into the driver outputs limited only by the back termination
resistors. While the LT6300 has clamps to the supply rails
at the output pins, they may not be large enough to handle
the significant transient energy. External clamping diodes,
such as BAV99s, at each end of the transformer primary
help to shunt this destructive transient energy away from
the amplifier outputs.
TransZorb is a registered trademark of General Instruments, GSI
6300 F15
+
–
1/2
LT6300
–IN
–
+
1/2
LT6300
+IN
12V
SHDN
–12V
12.7
0.1
μ
F
12V –12V
24.9k
1:2
LINE
LOAD
110
1000pF
110
1k
1k
12.7
SHDNREF
0.1
μ
F
12V –12V
BAV99
BAV99
Figure 15. Protecting the Driver Against Load Faults and Line Transients
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| 6300 250ML | 制造商:Henkel Corporation / Loctite 功能描述:RETAINER HIGH STRENGTH BOTTL 制造商:Henkel Corporation / Loctite 功能描述:RETAINER HIGH STRENGTH BOTTLE 250ML 制造商:Henkel Corporation / Loctite 功能描述:RETAINER, HIGH STRENGTH, BOTTLE, 250ML |
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