1. Advanced opamps and current mirrors
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2. Wide swing current mirrors
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3. Wide swing current mirrors
For n=1: Vout>2Veff.
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4. Wide swing current mirrors
To ensure all transistors are in the active region:
Hence to have Q4 in the saturation region:
VTn>nVeff
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5. Wide swing constant trans-conductance bias circuit
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6. Wide swing constant trans-conductance bias circuit
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7. Wide swing constant trans-conductance bias circuit
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8. Wide swing constant trans-conductance bias circuit
The circuit need a start up circuitry:
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9. Enhanced output impedance current mirror
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10. Enhanced output impedance current mirror
Sackinger implementation of the enhanced impedance current mirror:
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11. Wide swing current mirror with enhanced output impedance
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12. Wide swing current mirror with enhanced output impedance
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13. Current mirror symbol
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14. Operational transconductance amplifiers (OTA)
A folded cascode OTA:
In the case of lead compensation:
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15. Operational transconductance amplifiers (OTA)
Slew rate of the folded cascode OTA:
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16. Current mirror opamp
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17. Current mirror opamp
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18. Fully differential opamps
A fully differential folded cascode opamp:
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19. Fully differential opamps
A fully differential current mirror opamp:
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20. Fully differential opamps
The fully differential current mirror opamp with improved slewing:
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21. Fully differential opamps
A class AB fully differential opamp:
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22. Fully differential opamps
A fully differential opamp using two single ended opamps:
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23. Fully differential opamps
An opamp with rail to rail input range:
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24. Common mode feedback
A continuous time CMFB:
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25. Common mode feedback
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26. Common mode feedback
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27. Common mode feedback
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28. Current feedback opamps
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29. Current feedback opamps
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30. Current feedback opamps
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