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HIGH FREQUENCY BEHAVIOR OF BASIC AMPLIFIERS

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Presentation on theme: "HIGH FREQUENCY BEHAVIOR OF BASIC AMPLIFIERS"— Presentation transcript:

1 HIGH FREQUENCY BEHAVIOR OF BASIC AMPLIFIERS

2 High frequency small signal equivalent circuit of a MOS transistor

3 Modified Miller conversion

4 High frequency behavior of common source amplifier

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6 R-C Loaded amplifier

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8 σ

9 The input admittance of a R-C loaded amplifier

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15 High frequency behavior of source follower

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23 Compare !

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25 High frequency behavior of a common-gate amplifier

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28 Cascode Amplifier

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35 The CMOS Inverter as a Transimpedance Amplifier

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37 a) two separate negative-real poles for
b) two equal negative-real poles for c) one complex-conjugate pair for

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39 Frequency and pulse responses for the conjugate-pole case

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42 High frequency behavior of differential amplifiers

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52 The input admittances of a long-tailed pair

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55 Gain Enhancement Techniques for HF Amplifiers

56 Additive (distributed) amplifiers

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58 A Band Widening Technique: Inductive Peaking

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65 Maximum signal transfer from source to load

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67 Cascading strategies for wide-band amplifiers

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