Mixed Signal Chip Design Lab Cubic Function Generator Design Boram Lee, Jaehyun Lim Department of Computer Science and Engineering The Pennsylvania State University CSE598A/EE597G Spring 2006
Mixed Signal Chip Design Lab Cubic Function Generator Application frequency compensation in TCXO Frequency / Voltage T Uncompensated crystal frequency Compensated frequency of TCXO Compensating voltage
Mixed Signal Chip Design Lab Cubic Function Generator Design I cubic term voltage conversion circuit (Low Temperature) cubic term voltage conversion circuit (High Temperature) linear term voltage conversion circuit ∑ Cubic Wave Temperature sensor Cubic Functional Voltage Generator
Mixed Signal Chip Design Lab Cubic Function Generator Design I out T T VgVg T VgVg T
Mixed Signal Chip Design Lab Cubic Function Generator Design I out TT T T
Mixed Signal Chip Design Lab Cubic Function Generator Design I
Mixed Signal Chip Design Lab Cubic Function Generator Design II linear inputsquare cube linear cubic wave
Mixed Signal Chip Design Lab Cubic Function Generator Design II – voltage multiplier
Mixed Signal Chip Design Lab Cubic Function Generator Design II – multiplier simulation result
Mixed Signal Chip Design Lab Cubic Function Generator Design II – cubic function generator
Mixed Signal Chip Design Lab Cubic Function Generator Design II – cubic function generator layout voltage multipliers voltage adder and amplifier
Mixed Signal Chip Design Lab Cubic Function Generator Design II – cubic function generator simulation results constant linear coefficient, various 3rd order coefficients
Mixed Signal Chip Design Lab Cubic Function Generator Design II – cubic function generator simulation results various linear coefficient, constant 3rd order coefficients
Mixed Signal Chip Design Lab Cubic Function Generator Design II – design summary technology: TSMC 0.35 μm supply: 3.3 volt single supply size: 97.3 μm X μm input range: 1.3 ~ 2.0 V power: 22 mW
Mixed Signal Chip Design Lab Cubic Function Generator Schedule week 1 : op-amp design, test Design I week 2, 3 : multiplier design week 4, 5 : bias circuits, project progress presentation week 6 : make improvements of basic blocks week 7 : finalize of cubic function generator week 8 ~ : final revision of cubic function generator, layout, project final presentation