In a PCM system, 8 bit uniform quantiser is used. How many quantizing levels will be present if the quantiser is of uniform type?
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In a PCM system, 8 bit uniform quantiser is used. How many quantizing levels will be present if the quantiser is of uniform type?
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- Assume a block diagram for a clock divider that can take a 1 MHz oscillator and create a signal that has clock frequency of 20 Hz. What is the terminal count value needed to create this frequency and the number of bits needed on the counter if the clock divider can select between a 20 Hz signal and 2 kHz signal?Write an assembly 8051 code to count a hexadecimal digit every second and display it on the 7-segment.Design an encoding matrix with diodes and resistors to display a decimal number to on the seven-segment display. You have 10 switches (WO-W9) with one terminal connected to Vec. For decimal number 0, switch 0 (S0) is closed, for decimal number 1, switch 1 (S1) is closed etc. (Switches are on the vertical axis, S0 on top and the outputs are taken on the horizontal axis (Y0-Y6), with “a" on the left and "g" on the right. Note that (Y0-Y6) outputs are used as inputs to seven-segment display. Since these outputs cannot drive the seven segment display LEDS you may need additional bipolar transistors and resistors. The supply voltage is 5V and each LED needs a current of 20mA. Note that this is a design problem and the design is not unique. Do your best! f a a e
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