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ELEC 412 - Lecture 91 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 9.

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Presentation on theme: "ELEC 412 - Lecture 91 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 9."— Presentation transcript:

1 ELEC 412 - Lecture 91 ELEC 412 RF & Microwave Engineering Fall 2004 Lecture 9

2 ELEC 412 - Lecture 92 Low Freq Common-Emitter BJT Model Model is the hybrid-  BJT model where r BE = r , r BC = r , and r CE = r o

3 ELEC 412 - Lecture 93 ABCD Parameters of Some Circuits

4 ELEC 412 - Lecture 94 Conversion Between Network Reps

5 ELEC 412 - Lecture 95 Microwave Amplifier Subnetworks Amplifier is separated into subnetworks Add all subnetworks together for complete amplifier design

6 ELEC 412 - Lecture 96 High Frequency BJT Model Model is high-frequency hybrid-  model r BE =r , r CE =r o,C BE =C , C BC =C 

7 ELEC 412 - Lecture 97 S-Parameter Computation for T-Network T-Network S 11 & S 21 CircuitS 12 & S 22 Circuit

8 ELEC 412 - Lecture 98 Signal Flow Diagrams

9 ELEC 412 - Lecture 99 Signal Flow: Terminated Transmission Line

10 ELEC 412 - Lecture 910 Signal Flow: Building Blocks

11 ELEC 412 - Lecture 911 Signal Flow: Terminated Two Port

12 ELEC 412 - Lecture 912 Signal Flow: Simplification

13 ELEC 412 - Lecture 913 Signal Flow: Simplification – Con’t 1

14 ELEC 412 - Lecture 914 Signal Flow: Simplification – Resultant

15 ELEC 412 - Lecture 915 Signal Flow: Terminated Transmission Line

16 ELEC 412 - Lecture 916 Measuring S 11 & S 21

17 ELEC 412 - Lecture 917 S-Parameter Measurement Signal Flow

18 ELEC 412 - Lecture 918 TRL Calibration Method

19 ELEC 412 - Lecture 919 TRL Calibration Method – Con’t


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