Question

Q5: 1. Design the circuit of JK Flip-Flop using DFF and derive state table and characteristic equation. 2. Draw the circuit of T Flip-Flop using JK FF and derive state table and characteristic equation. 3. For this SC derive the following • Derive Input Equations. • Derive Output Equation. • Derive State Equations. • Derive State Table • Design the State Diagram. 4. Suppose that a building with 4 floors (0-3), the task is to design a counter for an elevator to count the building floors up down using TFFS • Derive the State table • Derive the Input equations • Derive the State equations • Design the Digital Seq Cuircit. 06

Answer 1

JK Flip flop using D-FF Truth Table com) Stato Fabio J K D 0 c - O со use excitation Tablo of JK FF K map-D KO 12 10 J 3 ។ 16 D = JQ+ kol Characteristic equation J 0 CIL

T-FF using JK FA Sicuc Table т J N o 0 X we excition Table of trop JKCE o 1 1 x (J=T T 0 X O K=T Characteristic equation J=K=T T J Q

B From given circuit d Input equation t J = xiy k = 54 T = xy A Stavo Table - JKFF Ly J K - 0 6 O

3 Circuit diagram From given 'Input oquation J = X k =5 T = x Y OROB Store Table JKER Ly J K On 0 - 1 0 0 0 1 o - o TAFF ary, it Excitation Tablo fa present Next Stato T-ER T Stara o 0 0 1 --0 Stue Tablo

Coon procent Stato Inpu Next tauto Q2 - -- 0 Op Countos - 0 1 1 1 D - 0 0 O 1 down Countort - o - 0 xoquenco ſolo3] & [3 too) map Courning FOY TOFF CP g 1 0 1 T2 -Qici AQIP For TFF ci joza 1 1 1 / =

ci Do 고 Ti T2 Qg Q CIR ci=0 =) op counter Cal =) docen counter