Communications Engineering Coaching Materials: Section 4 Module 7

This is the Section 4 Module 7 of the compiled Communications Coaching Materials taken from different sources including but not limited to Communications books, past Board Exams Questions, Journals and the Internet.

Communications Coaching Materials: Section 4 Module 7

This is the Section 4 Module 7 of the compiled Communications Coaching Materials taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies (EST), Communications Books, Journals and other Communications References. This particular Coaching Notes in Communications Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.

Communications Engineering Coaching: Section 4 Module 7

highest frequency of IMPATT

30Ghz

thermionic emission

Edison effect

known for its negative resistance

tunnel diode

coined the term robot

Karel Capek

data rate of T1

1.544 Mbps

E-1

32 samples

T-1

24 samples

factor that doesn’t affect the Zo

length

strongest electrolyte

potassium chloride

Wavelength the size of a diameter of an apple is..

microwave

video conferencing international

H 320

video conferencing

H 324

altitude of LEO (Low Earth Orbit)

350km

apogee of the ISS

358km

perigee of the ISS

349km

velocity of ISS

27743.3km/hr

period of ISS

91.3 mins

escape velocity of earth

11.2 km/s

speed moon

2400m/s

waveguide

cobrasi

GPS speed

4.5km/s

no. of rotations per day ISS

15.723

21 satellites

Telstar

ambitious satellite system

telegesic

first transatlantic submarine cable 1888

TAT-8

When was IPv4 depleted?

feb 11, 2011

modulation used by EDGE

8-PSK

modulation used by GSM

GMSK

data rate of AMPS

10Kbps

first communication satellite

early bird (telstar 1)

proposed microwave telecommunications thru satellite

Arthur Clarke

v22

1200kbps

v32

9.6kbps

v34

33.6

v90

56Kbps

year gps

1978

fiber

100 - 1000thz

.4 -.8 microns

complex 3x

acoustic impedance

room with no echo

anechoic

dolby

1992

tv watching distance

4 - 8 times height

sat com.. video multiplex

qpsk

3g stationary

2mbps

slow pedestrian 3g

384kbps

vehicular 3g

144kbps

Bluetooth

723kbps

h blanking time

10.2micro sec

v blanking time

1333micro sec

pilot frequency FM

19mhz

first voice/audio sat transmission/1st terrestrial communications

score

curie

3.7x10 to

spl

10 to -12 m / -16 cm

properties

gibbs

volume

azamat

local exchange carrier

109

CATV

205

RA 9292

1m plus 6months

secondary emission

high velocity electron on metals

carbon in steel

equal or less than 2%

failure to focus light rays to emit white light

spherical aberration

vidicon dark current

0.2micro amp

lantern battery

2 way portable radio

national building code

1096

ip length

65535

low power twt

1w

max power klystron

10Mw

Complete List of Communications Engineering Coaching Materials


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