Vo= -20kΩ[(5/2×20kΩ)+0+(5/8×20kΩ)+0]= -3.125v. 2. Which type of switches are not preferable for a simple weighted resistor DAC?
A. Bipolar Transistor
B. Voltage switches
C. MOSFET
D. All of the mentioned
Answer:A
Vo= -20kΩ[(5/2×20kΩ)+0+(5/8×20kΩ)+0]= -3.125v. 2. Which type of switches are not preferable for a simple weighted resistor DAC?
A. Bipolar Transistor B. Voltage switches C. MOSFET D. All of the mentioned
Explanation: Bipolar transistor does not perform well as voltage switches and MOSFET, due to the inherent offset voltage when in saturation. 3. The inverted R-2R ladder can also be operated in