Design a Widlar current source using npn transistors that produces a 5 µA output current. Use Fig.

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Design a Widlar current source using npn transistors that produces a 5 µA output current. Use

Fig. 4.31a with identical transistors, V_CC = 30 V, and R₁ = 30 kÎ©. Find the output resistance.

Fig. 4.31 a:

Vcc IN | IOUT R1 Icı! Q2 Q1 R2

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Analysis and Design of Analog Integrated Circuits

ISBN: 978-0470245996

5th edition

Authors: Paul R. Gray, ‎ Paul J. Hurst Stephen H. Lewis, ‎ Robert G. Meyer

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Question Posted: Sep 29, 2018 08:46 AM

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Design a Widlar current source using npn transistors that produces a 5 µA output current. Use Fig.

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Vcc IN | IOUT R1 Icı! Q2 Q1 R2

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V BE1 V BE2 I o R ...View the full answer

Analysis and Design of Analog Integrated Circuits

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