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| **Keywords:** | **Keywords:** | ||
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| + | To be inserted: **closed loop gain simulation** and **loop stability analysis** | ||
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| + | e.g. (completo, fatto molto bene) | ||
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| + | [[http://lumerink.com/courses/ECE614/Handouts/]] \\ | ||
| + | [[http://lumerink.com/courses/ECE614/Handouts/Loop%Analysis.pdf]] \\ | ||
| + | [[http://lumerink.com/courses/ECE614/Handouts/Loop%Stability%Analysis.pdf]] | ||
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| ===== Introduction ===== | ===== Introduction ===== | ||
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| ====== Typical OCEAN variables used in Front-End designing ====== | ====== Typical OCEAN variables used in Front-End designing ====== | ||
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| __**Delta-like input current spike**__ | __**Delta-like input current spike**__ | ||
| - | Use an **ipulse** current source with a trapezoidal shape (e.g. 1ns rise time, pulse width and fall time) | + | Use an **ipulse** current source with a trapezoidal shape |
| + | Let ''w'' be rise time, pulse width and fall time of the current pulse (e.g. 1ns), then set i2 to | ||
| <code> | <code> | ||
| - | Qin*1.6e-19/1n | + | Qin*1.6e-19/(2*w) |
| </code> | </code> | ||
| + | with ''Qin'' expressed as the **number of electrons**. | ||
| - | __**Equivalent Noise Charge (ENC)**__ | ||
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| + | __**Equivalent Noise Charge (ENC)**__ | ||
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| + | \\ | ||
| __**Time over threshold (ToT)**__ | __**Time over threshold (ToT)**__ | ||