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series with drift region capacitance [12]. However, the effect of this series inductance
is less as compared to drift capacitive impedance and can be neglected.
The avalanche inductance and capacitance are
L A =
τ A
2J 0 α A
Fig. 2 Equivalent circuit of IMPATT diode with packaging
Fig. 3 Inductive and capacitive nature at avalanche and drift region of IMPATT
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