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參數(shù)資料
| 型號(hào)： | ICS843031AGT |
| 英文描述： | CABLE ASSEMBLY; BANANA PLUG TO BANANA PLUG; 50 OHM, RG316/U COAX; 72" CABLE LENGTH |
| 中文描述： | FEMTOCLOCKS⑩晶體至3.3V的LVPECL時(shí)鐘發(fā)生器 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 211K |
| 代理商： | ICS843031AGT |
843031AG
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 29, 2004
8
Integrated
Circuit
Systems, Inc.
ICS843031
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
3.3V LVPECL C
LOCK
G
ENERATOR
PRELIMINARY
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVPECL output driver circuit and termination are shown in Figure 4.
T
o calculate worst case power dissipation into the load, use the following equations which assume a 50
load, and a termination
voltage of V
CC
- 2V.
For logic high, V
OUT
= V
OH_MAX
=
V
CC_MAX
– 0.9V
(V
CCO_MAX
- V
OH_MAX
) =
0.9V
For logic low, V
OUT
= V
OL_MAX
=
V
CC_MAX
– 1.7V
(V
CCO_MAX
- V
OL_MAX
) =
1.7V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(V
– (V
- 2V))/R
[(2V - 0.9V)/50
] * 0.9V =
19.8mW
L
] * (V
CC_MAX
- V
OH_MAX
) = [(2V - (V
CC_MAX
- V
OH_MAX
))/R
L
] * (V
CC_MAX
- V
OH_MAX
) =
Pd_L = [(V
OL_MAX
– (V
CC_MAX
- 2V))/R
[(2V - 1.7V)/50
] * 1.7V =
10.2mW
L
] * (V
CC_MAX
- V
OL_MAX
) = [(2V - (V
CC_MAX
- V
OL_MAX
))/R
L
] * (V
CC_MAX
- V
OL_MAX
) =
Total Power Dissipation per output pair = Pd_H + Pd_L =
30mW
F
IGURE
3. LVPECL D
RIVER
C
IRCUIT
AND
T
ERMINATION
Q1
V
OUT
V
CC
RL
50
V
CC
- 2V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS843034-01 | FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034AY-01LF | FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034AY-01LFT | FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034AY-01T | FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034A01 | FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843034 | 制造商:ICS 制造商全稱:ICS 功能描述:MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843034-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034A01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
| ICS843034AY | 制造商:ICS 制造商全稱:ICS 功能描述:MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843034AY-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER |
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