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Q#1
Logic Family
GATE EC 2002
MSQ
+2 marks
-0 marks
Each transistor in Figure has dc current gain , cut-in voltage and . The output voltage for in saturation can be as high as 0.2 V. Assume 0.7 V drop across a conducting p-n junction. Determine
(a) The minimum level necessary to keep saturation.
(b) The maximum permissible value for the resistance .
(c) The worst-case high input (logic 1) and the worst-case low input (logic 0) for which will be either in saturation or in cut off.
(a)
(a)
(b)
(c)
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| Topic | Questions | Attempted | Correct | |
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| Network Analysis | 273 | 0 | 0 | |
| Electronic Devices | 69 | 0 | 0 | |
| Analog Electronics | 395 | 0 | 0 | |
| Digital Electronics | 351 | 0 | 0 | |
| Signals and Systems | 22 | 0 | 0 | |
| Control Systems | 224 | 0 | 0 | |
| Communication System | 200 | 0 | 0 | |
| EMFT - ECE | 14 | 0 | 0 | |
| Engineering Mathematics | 24 | 0 | 0 | |
| General Aptitude | 30 | 0 | 0 |