EXTENSION COURSE OF THE US ARMY SIGNAL SCHOOL
SIGNAL SUBCOURSE 344, MICROWAVE TECHNIQUES
INTRODUCTION
From the time that Marconi sent the first message by radio, it was only a matter of time until man's curiosity
and ingenuity would develop communications to their present level.
Communication using microwave frequencies has been a fact for many years, and new developments in
electronics have made it possible to expand the methods of communication in the microwave region. Today we
use voice, teletypewriter, facsimile, and television to communicate at microwave frequencies. We can even send
microwave signals to satellites for relay back to earth.
Who can foresee what the future will bring in the way of communication developments?
Perhaps you, who are today's student of electronics, will be tomorrow's innovator, developing a new circuit or
tube that will provide a breakthrough in communication.
Those who plan to make a career in electronics must have an understanding of electronic principles, including
microwave.
This subcourse has been developed to add to your knowledge some of the techniques used in microwave
communication.
This subcourse consists of four lessons and an examination, as follows:
Lesson 1. Microwave Amplifying Devices
Lesson 2. RF System Components
Lesson 3. Microwave Transmitters and Receivers
Lesson 4. Receiver Parameters
Examination
Credit Hours: 13
THE ONLY TIME LIMITATION PLACED ON YOU IS THAT YOU MUST COMPLETE THIS
SUBCOURSE WITHIN 1 YEAR FROM THE DATE OF INITIAL ENROLLMENT. SHOULD YOU FAIL
THE EXAMINATION, YOU MAY RETAKE IT ANYTIME UP TO 60 DAYS FROM THE DATE OF THE
INTIAL EXAMINATION. HOWEVER, IF YOU FAIL THE SECOND EXAMINATION, YOU MUST
WAIT 1 YEAR BEFORE YOU ARE ELIGIBLE FOR FURTHER TESTING.
Texts and materials furnished:
Subcourse Booklet
You may keep the texts and materials furnished.
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