MMIC Design and Technology
Active Devices
Instructor: Dr. Ali Medi
Lecture 5 Active Devices
MESFET Operation
MESFET Operation
I ds = qN d (h a )wv
v = E
Vds
E=
s
2 0 r (Vbi Vgs )
a=
qN d
I ds
gm =
Vgs
1
2
Vds =Const
Lecture 5 Active Devices
MESFET Equiv
MMIC Design and Technology
Fabrication of MMIC
Instructor Dr. Ali Medi
Lecture 2 Fabrication Processes
Process Choice
Process Choice
Substrate
Mobility & Peak Velocity: Frequency Response
Band-Gap Energy: Breakdown Voltage
Energy: Breakdown Voltage
(Po
Sharif
Sharif University of Technology
Power Amplifier
Instructor:
Dr.AliMedi
MMICCourse
April2009
2008
1
Outline
Outline
Introduction
Some Important Definitions
PA Classes
Linear
Non-linear
Non-
Linearization Techniques
Conclusion
MMICCourse
2
Sys
MMIC Design and Technology
Passive Elements 2
Instructor Dr. Ali Medi
Lecture 4 Passive Elements 2
Topics
Topics
Inductance Calculations
Calculations
Lumped Element Lines
Impedance Matching
Lecture 4 Passive Elements 2
Inductance
Inductance
1
L = B dS
MMIC Design and Technology
Passive Elements
Instructor Dr. Ali Medi
Lecture 3 Passive Elements
Types of Passive Elements
Types of Passive Elements
Resistors
Capacitors
Transmission Lines
Li
Inductors
Couplers
Lecture 3 Passive Elements
Resistor
Resistor
L
MMIC Design and Technology
MMIC Design and Technology
Instructor Dr. Ali Medi
Sharif University of Technology
University of Technology
Letcture 1 Overview
Class Intro
Class Intro
MMIC
Monolithic Microwave Integrated Circuit
MMIC Design and Technology
MMIC Design and Technology
Oscillator Design
Instructor Dr. Ali Medi
Lecture 7 Oscillator Design
Transceiver Example
Transceiver Example
We now know amplifier design
And techniques for low noise amplifier design
Lecture 7 Oscillator Design
Oscillator
Osci
MMIC Design and Technology
MMIC Design and Technology
Instructor Dr. Ali Medi
Letcture 9 Mixers
Frequency Translation
Frequency Translation
cos( RF t ) cos( LO t ) =
1
1
cos( RF LO )t ) + cos( RF + LO )t )
2
2
cos( RF t )
1
1
cos( RF LO )t ) + cos( RF + L
MMIC Design and
Development
Instructor Dr. Ali Medi
Microwave Measurements
Types of Measurements
Types of Measurements
Swept Frequency
Frequency
Power, Gain, Match
Noise Figure
Noise Figure
Single Frequency
Amplitude and PhaseLinearity
DC
Input pow
Distributed Amplifiers
Ali Medi
Outline
Introduction
DA principles of operation
DA with artificial T-lines
DAs with improved gain stages
Noise in DAs
DAs with tapered T-lines
Loss compensation in DAs
Transformer-based DA
2
Introduction
Distributed amplif
MMIC Design and Technology
Amplifier Design
Instructor Dr. Ali Medi
Lecture 6 Amplifier Design
Data file for actual device
Data file for actual device
Lecture 6 Amplifier Design
Stability
Stability
Transistor is unstable when |in| >1
is unstable when
>1
UWB: Technology and implications for
sensor networks
Ali Medi
Outline
Technical background
Why is it good? Applications of UWB
is it good? Applications of UWB
Standards activities
Implications for sensor networks
for sensor networks
Resources and Conclusi