The circuit shown in Figure 2 is a common source n-channel (NMOS) amplifier M1 with its drain connected to the source of a common gate transistor M2 (a so-called cascode stage). Ignoring the body effect, draw the low frequency small-signal equivalent circuit for the combination and hence derive an expression for the output resistance (l.e. the resistance seen looking into the drain of M2) and the open circuit voltage gain. OUT M2 "OUT MI Figure 2.
The circuit shown in Figure 2 is a common source n-channel (NMOS) amplifier M1 with its drain connected to the source of a common gate transistor M2 (a so-called cascode stage). Ignoring the body effect, draw the low frequency small-signal equivalent circuit for the combination and hence derive an expression for the output resistance (l.e. the resistance seen looking into the drain of M2) and the open circuit voltage gain. OUT M2 "OUT MI Figure 2.
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Transcribed Image Text:The circuit shown in Figure 2 is a common source n-channel (NMOS)
amplifier M1 with its drain connected to the source of a common gate
transistor M2 (a so-called cascode stage). Ignoring the body effect, draw
the low frequency small-signal equivalent circuit for the combination and
hence derive an expression for the output resistance (l.e. the resistance
seen looking into the drain of M2) and the open circuit voltage gain.
OUT
M2
"OUT
MI
Figure 2.
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