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Calculate $V_{BE} $ of the following circuit.
written 6.0 years ago by | modified 2.3 years ago by |
Subject: CMOS VLSI Design
Topic: CMOS analog building blocks
Difficulty: High
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written 6.0 years ago by | modified 2.3 years ago by |
Subject: CMOS VLSI Design
Topic: CMOS analog building blocks
Difficulty: High
written 6.0 years ago by |
Solution-
$\Delta V_{BE}=V_{B{E_1}}+V_{B{E_2}}$
$\quad \quad \quad =V_T\ln(\frac{nI_0}{I_0})-V_T\ln(\frac{I_0}{mI_0})$
$\therefore\Delta V_{BE}=V_T\ln(nm)$