do you have a reviewer of eugene don.. how to solve mathematics? if ever can you please send it to my email add? thank you..

The book you requested is found at the Mathematics section of this website.

NEETS Module 14 Microelectronics

Link: http://j9l7vk.alterupload.com/

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NEETS Module 23 Magnetic Recording


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NEETS Module 24 Fiber Optics


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NEETS Module 20 Master Glossary


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NEETS Module 17 Radio Frequency Communications Principles


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NEETS Module 19 Technicians Handbook


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NEETS Module 18 Radar Principles


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NEETS Module 11 Microwave Principles


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NEETS Module 12 Modulation Principles


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NEETS Module 22 Digital Computers


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NEETS Module 21 Test Methods and Practices


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NEETS Module 16 Test Equipment


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NEETS Module 15 Principles of Synchros Servos and Gyros


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NEETS Module 10 Wave Propagation Transmission Lines and Antennas


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NEETS Module 13 Number Systems and Logic Circuits


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NEETS Module 9 Wave-Generation and Wave-Shapping Circuits


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NEETS Module 8 Amplifiers


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NEETS Module 7 Solid-State Devices and Power Supplies


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NEETS Module 6 Electronic Emission Tubes and Power Supplies


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NEETS Module 5 Generators and Motors


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NEETS Module 4 Conductors and Wiring Schematic Reading


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NEETS Module 3 Circuit Protection and Control Measurement

Link: http://b48jt5.megadl.fr/en/

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NEETS Module 2 AC and Transformers

Link: http://c4orbq.cjoint.net/

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NEETS Module 1 Matter Energy and DC

NEETS Module 1 Matter Energy and DC

Link: http://8xq4cr.alterupload.com/

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Quick Guide Table: Sound Pressure Levels

Sound Pressure Levels
Source
SPL (dB)
faintest audible sound
0
whisper
20
Quiet residence
30
Soft stereo in residence
40
Speech range
50-70
cafeteria
90
Pneumatic jack hammer
90
Loud crowd noise
100
Accelerating motorcycle
100
Rock concert
120
Jet Engine (75 feet away)
140

Quick Guide Table: Optimum volume per person for various types of hall

Optimum volume per person for various types of hall
Type of Hall
Optimum Volume /person (m3)
concert halls
7.1
Italian-type opera houses
4.2 - 5.2
churches
7.1 - 9.9
cinemas
3.1
Rooms for speech
2.8

Quick Guide Table: 10 octaves of human hearing

10 Octaves of human hearing
1st octave
20 - 40 Hz
Lower Bass
2nd octave
40 - 80 Hz
3rd octave
80 - 160 Hz
Upper Base
4th octave
160 - 320 Hz
5th octave
320 - 640 Hz
Lower Midrange
6th octave
640 - 1280 Hz
7th octave
1280 - 2560 Hz
8th octave
2560 - 5120 Hz
Upper midrange
9th octave
5120 - 10240 Hz
Treble
10th octave
10240 - 20480 Hz

Quick Guide Table: Loudness Level

Loudness level
0 - 15 dB
very faint
15 - 30 dB
faint
30 - 60 dB
moderate
60 - 80 dB
loud
80 - 130 dB
very loud
130 dB
deafening

Quick Guide Table: Microwave Frequency Bands

Microwave frequency bands
Band
Frequency in GHz
 L
1-2
S
2-4
C
4-8
X
8-12
Ku
12-18
K
18-27
Ka
27-40
Millimeter
40-300
Sub-millimeter
>300

Quick Guide Table: Satellite Classification according to Size

Electronics Systems Technologies (EST)
Quick Guide Tables

Satellites classifications according to size


Size
Mass
Cost
Large Satellite
> 1,000 kg
> $ 100 M
Small Satellite
500 - 1,000 kg
$ 50 - 100 M
Mini Satellite
100 - 500 kg
$ 5 - 20 M
Micro Satellite
10 - 100 kg
$ 2 - 3 M
Nano Satellite
< 10 kg
< $ 1 M

Quick Guide Table: Satellites

Electronics Systems Technologies (EST)
Quick Guide Table

Satellites




Low Earth Orbit (LEO)
Medium Earth Orbit (MEO)
Geostationary / Geosynchronous (GEO)
Orbit Height
100 - 300 mi
6,000 - 12,000 mi
22,300 mi
Orbital velocity
17,500 mph
9580 mph
6879 mph
Orbital time (period)
1.5 hours
5-12 mph
24 hours
Satellite Availability
15 min per orbit
2 - 4 hours per orbit
24 hours per orbit
Operating Frequency
1.0 GHz to 2.5 GHz
1.2 GHz - 1.66 GHz
2 GHz - 18 GHz

Motorola's Iridium Satellite system
(66-satellite constellation for mobile phone system)
GPS, NAVSTAR

Tables / Quick Guide: Radio Frequency Spectrum notes

Electronics Systems Technology
Tables



The Radio Frequency Spectrum
Band name

ABBR
ITU band
frequency
wavelength
propagation mode



< 3 Hz
> 100,000 km
-
Extremely low frequency
ELF
1
3–30 Hz
100,000 km – 10,000 km
-
Super low frequency
SLF
2
30–300 Hz
10,000 km – 1000 km
-
Ultra low frequency
ULF
3
300–3000 Hz
1000 km – 100 km
-
Very low frequency
VLF
4
3–30 kHz
100 km – 10 km
Ground Wave
Low frequency
LF
5
30–300 kHz
10 km – 1 km
Ground Wave
Medium frequency
MF
6
300–3000 kHz
1 km – 100 m
Ground Wave
High frequency
HF
7
3–30 MHz
100 m – 10 m
Sky Wave
Very high frequency
VHF
8
30–300 MHz
10 m – 1 m
Space Wave
Ultra high frequency
UHF
9
300–3000 MHz
1 m – 100 mm
Space Wave
Super high frequency
SHF
10
3–30 GHz
100 mm – 10 mm
Space Wave
Extremely high frequency
EHF
11
30–300 GHz
10 mm – 1 mm
Space Wave
Tremendously high frequency
THF

300 GHz 3000GHZ
< 1 mm

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