參數(shù)資料
型號: ICS843002I-01
英文描述: FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
中文描述: FEMTOCLOCKS -商標(biāo)晶體到3.3伏,2.5伏的LVPECL頻率合成器
文件頁數(shù): 9/15頁
文件大?。?/td> 208K
代理商: ICS843002I-01
843002AGI-01
www.icst.com/products/hiperclocks.html
REV. A JANUARY 6, 2006
9
Integrated
Circuit
Systems, Inc.
ICS843002I-01
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
3.3V, 2.5V LVPECL F
REQUENCY
S
YNTHESIZER
T
ERMINATION
FOR
2.5V LVPECL O
UTPUT
Figure 4A
and
Figure 4B
show examples of termination for
2.5V LVPECL driver. These terminations are equivalent to ter-
minating 50
Ω
to V
CC
- 2V. For V
CCO
= 2.5V, the V
CCO
- 2V is very
close to ground level. The R3 in Figure 4B can be eliminated
and the termination is shown in
Figure 4C.
F
IGURE
4C. 2.5V LVPECL T
ERMINATION
E
XAMPLE
R2
50
Zo = 50 Ohm
VCCO=2.5V
R1
50
Zo = 50 Ohm
+
-
2.5V
2,5V LVPECL
Driver
F
IGURE
4B. 2.5V LVPECL D
RIVER
T
ERMINATION
E
XAMPLE
VCCO=2.5V
R1
50
R2
50
Zo = 50 Ohm
R3
18
2,5V LVPECL
Driver
Zo = 50 Ohm
+
-
2.5V
F
IGURE
4A. 2.5V LVPECL D
RIVER
T
ERMINATION
E
XAMPLE
R2
62.5
2.5V
2,5V LVPECL
Driver
R3
250
Zo = 50 Ohm
Zo = 50 Ohm
R4
62.5
2.5V
+
-
R1
250
VCCO=2.5V
相關(guān)PDF資料
PDF描述
ICS843002AGI FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGILF FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGILFT FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGIT FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002I FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
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