2.36 We observe the following input-output pair for an LTI system: • x(t) = 1+ 2 cos(t) + 3 cos(21) • y(t) = 6 cos(t) + 6 cos (21) x(t)-> LTI <->y(t) Determine y(t) in response to a new input x (t) = 4 + 4 cos(t) + 2 cos (2t).

Please write text, not handwriting

Are the following statements correct or wrong? Justify your answer. (a) GTO requires very low current applied to its gate to be turn off. (b) IGBT is a voltage driven device. (c) BJT is more efficient than IGBT in high power applications. (d) Thyristors are used only for low voltage, low current applications.

The hex number 8B1272 is _______ bits long. Give the answer as a number such as "8".

5. Labeling the pin numbers of 7432 IC

SCR's reverse recovery time is _____________sec, for the device which is having gate recovery time is 27 sec and total commutation time is 65 sec.  Answer

When the pinch-off voltage is exceeded, ID will ____ as VDD increases.     remains the same     double     increases     decreases

The hex number E843 is ___________ bytes long. Give the answer as a number such as "8".

Quantization noise can be increased  by ________ the number of levels. Select one: a. Decreasing b. Increasing c. Doubling d. Squaring