Digital to Analog D and A Convertor using R-2R Network

Digital to Analog D and A Convertor using R-2R Network To study Digital to Analog converter using R-2R network. Instrument comprises of DC Regulated Power Supplies 5VDC/150mA, 15VDC/150mA, 1 Voltmeter, 1 SPDT switches provided for selecting logic '1' & '0', one output indicator, Circuit diagram printed on the from panel & connections of various inputs & output brought out at sockets.