參數(shù)資料
型號(hào): ICS843034
英文描述: MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
中文描述: 多速率3.3伏,2.5伏的LVPECL頻率合成器
文件頁(yè)數(shù): 17/23頁(yè)
文件大?。?/td> 250K
代理商: ICS843034
843034AY
www.icst.com/products/hiperclocks.html
REV. A JULY 25, 2005
17
Integrated
Circuit
Systems, Inc.
ICS843034
F
EMTO
C
LOCKS
M
ULTI
-R
ATE
3.3V, 2.5V LVPECL F
REQUENCY
S
YNTHESIZER
PRELIMINARY
T
ERMINATION
FOR
2.5V LVPECL O
UTPUT
Figure 7Aand Figure 7Bshow examples of termination for
2.5V LVPECL driver. These terminations are equivalent to ter-
minating 50
Ω
to V
CC
- 2V. For V
CC
= 2.5V, the V
CC
- 2V is very
close to ground level. The R3 in Figure 7Bcan be eliminated
and the termination is shown in Figure 7C.
F
IGURE
7C. 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
7B. 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
7A. 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
ICS843034AY MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843034AYL MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843034AYLF MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843034AYLFT MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843034AYT MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
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