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參數資料
| 型號： | 4609X-101-681 |
| 英文描述： | Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits |
| 中文描述： | WIDERSTAND NETZWERK DICKFILM 680R 5ST |
| 文件頁數： | 44/62頁 |
| 文件大?。?/td> | 1883K |
| 代理商： | 4609X-101-681 |
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Specifications are subject to change without notice.
325
R1 and R2 are calculated using the following equations:
R2 = (Vee/Vtt)*Zo
R1 = (R2*Vtt)/(Vee-Vtt)
For a 10K ECL supply voltage of -5.2V and Vtt of -2V:
R2 = 2.6*Zo
R1 = R2/1.6
For a 100K ECL supply voltage of -4.5V and Vtt of -2V:
R2 = 2.25*Zo
R1 = R2/1.25
Thevenin Equivalent Parallel Termination Technique
References:
1. Blood, W.R., MECL System Design Handbook, Motorola,
Inc., 1983.
2. F100K ECL Data Book, Fairchild Semiconductor Corp.,
1986.
3. MECL Device Data, Motorola, Inc., 1987.
4. ECLinPS Data, Motorola, Inc., 1987.
Bourns 801, 802, and 804 conformal coated SIP resistor
capacitor networks are designed to terminate 6 transmission
lines using the parallel termination technique. A 0.01 F capaci-
tor(s) is provided in each network to help maintain a solid Vtt
level within the package, mitigating any potential cross talk or
feedthrough effects. The 804 circuit also contains a 0.1 F
capacitor for bypassing the Vee supply.
Parallel Termination Technique
Thevenin Equivalent Parallel Termination
Parallel termination in ECL applications uses -2.0 volts as the
terminating voltage. This represents a disadvantage since a
separate Vtt power supply must be available (Vee = -5.2 volts,
Vtt = -2.0 volts). For systems in which a separate -2.0 volt sup-
ply is not available, the use of a Thevenin equivalent arrange-
ment, although resulting in higher power consumption, provides
a convenient solution.
Bourns 803 and 805 conformal coated SIP resistor capacitor
networks are designed to terminate 8 transmission lines using
the Thevenin equivalent parallel termination technique. Again, a
0.1 F capacitor is provided to help maintain a solid Vee level
within the package, mitigating any potential cross talk or
feedthrough effects. The 803 is designed for use with 10K ECL
whereas the 805 is designed for use with 100K ECL.
Bourns Emitter Coupled Logic Terminator 800 Series
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| 4610 | GROUND CORD 1.5M |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 4609X-101-681LF | 功能描述:電阻器網絡與陣列 9pins 680ohms Bussed RoHS:否 制造商:Vishay/Thin Film 產品類型:Networks 電路類型:Divider 電阻器數量: 電阻數值:10 kOhms 容差:0.1 % 溫度系數: 管腳數量:3 工作溫度范圍:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引線間隔: 端接類型:SMD/SMT 封裝:Reel |
| 4609X-101-682 | 功能描述:電阻器網絡與陣列 9Pin 2% 6.8K Bussed RoHS:否 制造商:Vishay/Thin Film 產品類型:Networks 電路類型:Divider 電阻器數量: 電阻數值:10 kOhms 容差:0.1 % 溫度系數: 管腳數量:3 工作溫度范圍:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引線間隔: 端接類型:SMD/SMT 封裝:Reel |
| 4609X-101-682LF | 功能描述:電阻器網絡與陣列 9pins 6.8Kohms Bussed RoHS:否 制造商:Vishay/Thin Film 產品類型:Networks 電路類型:Divider 電阻器數量: 電阻數值:10 kOhms 容差:0.1 % 溫度系數: 管腳數量:3 工作溫度范圍:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引線間隔: 端接類型:SMD/SMT 封裝:Reel |
| 4609X-101-682LF | 制造商:Bourns Inc 功能描述:RESISTOR BUS RES N/W 8 6.8KOHM 2% SI 制造商:Bourns Inc 功能描述:RESISTOR, BUS RES N/W 8, 6.8KOHM, 2%, SI |
| 4609X-101-683 | 功能描述:電阻器網絡與陣列 9Pin 2% 68K Bussed RoHS:否 制造商:Vishay/Thin Film 產品類型:Networks 電路類型:Divider 電阻器數量: 電阻數值:10 kOhms 容差:0.1 % 溫度系數: 管腳數量:3 工作溫度范圍:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引線間隔: 端接類型:SMD/SMT 封裝:Reel |
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