To design a BCD to Decimal decoder.

Procedure


Click on “Click Here” in Simulation tab.

  1. Click on the Component button to place components on the table.

Fig. 1 Components

  1. Make connections as per the circuit diagram and pin diagram of IC or according to connection table.

Fig. 2 Circuit diagram of BCD to Decimal decoder

Fig. 3 Pin diagram of IC 7442

Table 1: Connection table

connection table

  1. Click on Check Connections button. If connections are right, click on 'OK', then Simulation will become active.
  2. Provide the input by clicking toggle switches A0, A1, A2 and A3.
  3. Fill the observed values in the Truth Table.
  4. Verify Truth Table by clicking on Check button, if outputs are correct then click on 'OK'.
  5. Click on the Reset button to reset the page.