## Name: ECE 304-Test #1 Date: Question 3-(25 pts) Votage hpu Pbe GHC Refer to the circuit diagram abov

Name: ECE 304-Test #1 Date: Question 3-(25 pts) Votage hpu Pbe GHC Refer to the circuit diagram above. Let Rc – 5 ko, Re 1 kQ,8 40 mA/N, and the input be a 100 mv peak sine wave. The input voltage comes from the BNC alligator clips (Red +, Black-) and the output is probed with the oscilloscope probe (Probe Tip, Probe GND- Connect t he input BLACK to GND node. a) Connect the input RED to vns and vin2 nodes Connect Probe Tip to Voz node connet Probe GND to GND node. i. What is the operating mode of this amplifier? ii. What is the output configuration? ii. At the input's positive peak, what is the voltage on the scope? b) Now, switch the Probe GND from the GND node to the voz node. i. What output configuration is this? i. At the input's negative peak, what is the voltage on the scope? c) Next, change the input: Connect input RED to vni nodeConnect input BLACK to Vn2 node. Leave the Probe connected as in part b). i. What operating mode is this? i. At the input's negative peak, what is the voltage on the scope? d) Finally, move the Probe GND from the vo2 node back to the GND node. i. What is the output configuration? i. At the input's positive peak, what is the voltage on the scope? e) Use your answers from part d) and part a) to find the Common Mode Rejection Ratio CMRR

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## MATLAB solution needed Consider the system shown. Design the value of gain, K, to yield 1.52% oversh

MATLAB solution needed Consider the system shown. Design the value of gain, K, to yield 1.52% overshoot. Also estimate the settling time, peak time, and steady-state error K(s1.5 R(s) + E(s) C(s) + S(s(s10 Use MATLAB to plot the root locus and then enter a value of percent overshoot from the keyboard. MATLAB should then draw the root locus and overlay the percent overshoot line requested. Set up interaction with MATLAB and select the point of intersection of the root locus with the requested percent overshoot line. MATLAB will respond with the value of gain, all closed-loop poles at that gain, and a closed-loop step response plot corresponding to the selected point. Carry out similar MATLAB exercise for 2 additional %OS values.

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## 2 of 7 Problem 1: (15 points) Consider an 8-bit counter with two control signals: when en is . en: c

2 of 7 Problem 1: (15 points) Consider an 8-bit counter with two control signals: when en is . en: counter counts when “en” is 1 and counter pauses :counter counts up when “up is 1 and counter counts down when “up is 0 . The VHDL code is shown below. Based on the code, derive the conceptual diagram. The diagram may contain register, adder, subtractor, mux, etc. library leee use ieee.std_logic 1164al; use ieee.std logic unsigned-al entity probl is port dk: in std logic up, en: in std_logic q: out std logic vector (7 downto O) end probi; architecture arch of probl is signal r reg: std logic vector (7 downto 0) signal r next: std logik vector (7 downto 0 begin process (clk) begin if then (clk' event and clk='1') rreg next end if; end process; when ensor r reg+1 when up 1' else r next

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## Consider the red wave shown below. What is the wave’s frequency, given the that its phase veloci

Consider the red wave shown below. What is the wave's frequency, given the that its phase velocity is 15 m/s? o (volts) 4 x (cm 1 2 3 4 5 6 7 8 9 1 -2 -4 -6

## a) Find the circuit that the layout shown below realizes. b) Give the sizes of all transistors (W…

a) Find the circuit that the layout shown below realizes. b) Give the sizes of all transistors (W & L). Assume L 31, where ) = 0.2um c) Draw the cross section view of the circuit along the (x'x) axis A tait Polvsicon Contact Metait/Pol 3 Metsit Active region N-Con Polysicon Cortact MetaPoly C Polvsicon Cortact Metal1 Poly 101 X Dn

## 0 satisfies the Riccati equation Using V() P as Lyapunov funetion candidate, show that the origin is

0 satisfies the Riccati equation Using V() P as Lyapunov funetion candidate, show that the origin is globally asymp totically stable (GAS) when Q>0.” aria-describedby=”b92″>

1. For a linear system x=Ax + Bu, the state-feedback control law that minimizes the quadratic cost function is given by where K = R-IBrp and P = pT > 0 satisfies the Riccati equation Using V() P as Lyapunov funetion candidate, show that the origin is globally asymp totically stable (GAS) when Q>0.

## of Ikbps ythe receiur clackis Pase than h Sender clacle What is the number op exhe Lil ecieL9 ecaeat

## Photovoltaic Systems Engineering. 7.7 Recalculate the battery size and the array size for the parkin

Photovoltaic Systems Engineering.

7.7 Recalculate the battery size and the array size for the parking lot fixture example if the 158-W fixture is chosen.

## Use the Laplace transform to solve the circuit below for the current io (t) for t 2 0. 1s2 1 H 112 e

Use the Laplace transform to solve the circuit below for the current io (t) for t 2 0. 1s2 1 H 112 e iu (1)v io(t)