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參數(shù)資料
| 型號(hào)： | ICS843002I |
| 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(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 212K |
| 代理商： | ICS843002I |
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843002AGI
www.icst.com/products/hiperclocks.html
REV. A JANUARY 4, 2006
10
Integrated
Circuit
Systems, Inc.
ICS843002I
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843002I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843002I-40 | 制造商:ICS 制造商全稱:ICS 功能描述:175MHZ, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR |
| ICS843002I-41 | 制造商:ICS 制造商全稱:ICS 功能描述:700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR |
| ICS843002I-72 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ VCXO BASED WCDMA CLOCK GENERATOR/JITTER ATTENUATOR |
| ICS843003 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
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