Current Generator circuit, Current Generator circuit Experiment, Independent Current Generator circuit 2. Bandgap Reference Circuit: Requirement of Voltage Reference, Voltage Reference : Temperature Dependency, Diode as Voltage Reference, PTAT and CTAT Circuit, PTAT Voltage Reference, PTAT with Current Mirror, Reference Voltage Generation, Adding PTAT and CTAT, Vref Circuit, Voltage Reference α calculation 3. Lab exercise PTAT Circuit