EC1402 MICROWAVE ENGINEERING

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Nov 15, 2013 (3 years and 11 months ago)

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EC1402



MICROWAVE

ENGINE
E
R
ING



L

T

P

C

3

1

0

4



UNIT

I

MICROWAVE NETWORK THEORY

7

Introduction



Symmetrical

Z

and

Y

m
atrices

for

reciprocal

network



Scattering

m
atrix
repre
s
ent
a
tion

of

m
ulti

port

netwo
r
k

properties

of

S
-
parameters



S

m
atrix

of

a

two

port
network

with

m
i
s
m
atched

load



Co
m
pari
s
on

be
t
w
een

[S]

-

[
Z
]

a
n
d

[
Y
]

ma
t
r
i
ces



Relatio
n
ship

between

Y
-
Z

and

ABCD

para
m
eters

with

S

para
m
eters




Numeri
c
al
proble
m
s.



UNIT

II

MICROWAVE PASSIVE DEV
I
CES

10

Coaxial

connectors

and

adapters



Wave

guide

choke

flanges



Matched

ter
m
inations



Short

circuit

plunger



Rectangu
l
ar

to

circular

wave

guide

transition



Tuning

screws



Wave

guide

corners



Bends

and

twists



W
i
ndows



Coaxial

line

to

wave

guide

adapters



Coupling

loops

and

coupling

aperture



Atten
u
ators



Phase

shifters



Wave

guide

tees



E

plane

tee



H

plane

tee



M
a
g
i
c

t
ee

and

t
h
e
i
r

a
pp
l
i
ca
t
i
o
n
s



Is
o
l
a
t
o
rs



C
i
rc
u
l
a
t
o
rs



Directional

couplers




Scattering

m
atrix

derivation

for

all

co
m
ponents




Nu
m
erical
proble
m
s.



UNIT

III

MICROWAVE VACCUM TU
B
E D
E
VIC
E
S

10

Introduction



Two

cavity

klystron

a
m
plifi
e
r



Mechanism

and

m
ode

of

operation



Power

output

and

efficiency



Mode

curve



E
quivalent

circuit

and

voltage

gain



Be
a
m
loading



A
pplications



Reflex

klystron

os
c
i
l
l
a
t
o
r



Mechan
i
sm

and

mode

of

operation
Power

output



E
ff
i
ciency



Mode

curve



E
q
uivale
n
t

cir
c
uit



El
e
ctr
o
nic

ad
m
itta
n
ce



Modulation

of

reflex

klystron



Applications



T
W
T

a
m
pli
f
ier



P
rinciple

of

operation
gain

and

applications




Magnetron

oscillator




Hull

cut
-
off

voltage

m
echanism

of
operation




Mode

separation




Phase

focusing




Pow
e
r

output

and

efficiency



Applications


Nu
m
erical proble
m
s.



UNIT

IV

MICROWAVE SOL
I
D STATE

DEV
I
CES AND
CIRCUITS

9

Microwave

diodes



Crystal

diode



Schottky

diode



Harmonic

m
i
xer



PIN

diode



Operation

sw
itches



P
hase

switches

and

att
e
nuators



Gunn

diode



Mode

of

operation



Oscillator

circuit



IM
P
A
TT

diodes



Mechani
s
m

of

operation



Application

as

oscillator
and

a
m
plif
i
er




Tunnel

diodes

oscillator

/

amplifiers




Varactor

diode




VCO



Para
m
etric

a
m
pli
f
ier



Microwave

tran
s
i
st
o
rs



Unipolar

and

bipo
l
ar



Applications



Nu
m
erical
p
roble
m
s.



UNIT

V

MICROWAVE MEASURE
M
ENTS

9

Introduction



Tunable detector


Slotted

line carriage


VSWR
m
eter




Spectrum
analyzer



Network

analyzer



Power

m
easure
m
ents



S
c
hottky

barrier

diode

sensor



Bolo
m
eter

sensor




P
ower

sensor




High

power

m
easure
m
ent




Insertion

loss

and
atten
u
ation

m
easure
m
ent



VS
W
R

m
easur
e
m
ent



Low

and

high

VSWR



I
m
p
e
dance
m
easure
m
ent




Freq
ue
ncy

m
easure
m
ent




Measure
m
ent

of

cavity

Q




Dielectric
m
easur
e
m
ent

of

a

solid

by

wave
-
guide

m
e
thod



Antenna

m
easur
e
m
ent



Radiation
pattern


Phase and
gain.



L:

45 T: 15 Total: 60

TEXT

B
O
OK

1.

Annapurna

Das,

Sisir

K.

Das,

“Micr
o
wave

Engineering”,

T
MH

Co.,

Ltd.,

1999.

Reprint

2001.



REF
E
R
E
NCES

1.

Collin R.E., “Foundation

of Microwave Engineering”, 2nd Edition, TMH, 1992.

2.

S
a
m
uel Y. Liao, “Microwave devices and Circuits”, PHI Pvt Ltd., 1995.

3.

Reich J.H. et al, “Microw
a
ve”, East West Press,

1978.