Design the MOS peaking current source in Fig. 4.34 so that I OUT = 0.1 µA. (a)
Question:
(a) First, let IIN = 1 µA and find the required value of R.
(b) Second, let R = 10 kΩ and find the required IIN.
In both cases, assume that both transistors are identical and operate in weak inversion with It = 0.1 µA and n = 1.5. Also, find the minimum W/L in both cases, assuming that VGS Vt < 0 is required to operate a transistor in weak inversion as shown in Fig. 1.45.
Fig. 4.34:
Fig. 1.45:
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Related Book For
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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