Encoder & Decoder Circuits

Objective : To Study and verify the truth tables of :  Binary to gray

code convertor,  BCD to seven segatnt Decoder,  BCD to decimal

Decoder,  Decimal to BCD Encoder.

Specifications : instrument comprises of  DC Regulated Power Supply

5VDC/150mA, four SPDT  switches provided for selecting logic '1' &

logic '0' , 1Hz monoshot clock pulse, four output indicators, Circuit

diagram for IC 7490, IC7447 & 7-segatnt display Printed & conne-

ctions for various inputs & outputs brought out at the sockets on the  front panel.

'> C � h i ` `c ass=xl71 width=796 style='height:25.5pt;width:597pt'>* Demodulation of PCM using timing & control using 74160, Digital to Analog Converter using IC 0800 and Low Pass Filter follow by an amplifier using IC 741 * Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet Power Requirement : 220V AC ±10%, 50Hz Standard Accessories : Patch Cords & Instruction Manual Optional Accessories : CRO 20MHz & Digital Multimeter