Avionics News September 2021 - 34

From
Antenna
RF
Mixer
IF &
DET
Audio
To
Speaker
LO
From
Channel Selector
Figure 4: A more comprehensive
block diagram; the Figure 3
blocks are combined into the
triangle at the bottom.
AGC
Input
from
Mixer
Intermediate
Frequency
Section
and
Detector
Output
to
Audio
THEORY & PRACTICE
Continued from page 33
and remember forever. For example, adjusting a volume
control. We've all learned volume control adjustment
so well we don't remember the first time we did so, and
yet, we remember how to make the adjustment. Other
things take longer like tying shoelaces. But once we've
gotten it right, we never need to relearn the task.
To memorize a block diagram, sit down with your
notes or a printout of the diagram and copy it by hand.
Do so five times. The next day, do it again. It's quite
possible, by the second day, you can put away the
notes or printout and draw it perfectly from memory.
As time progresses and your instructor introduces more
diagrams, repeat the process with the new diagram.
Keep drawing the first ones to keep them fresh in
your mind. With blocks committed to memory, you
can have meaningful discussions leading to good
insight about how a system works and how to approach
troubleshooting and repair.
Perhaps in time you will say, " Great, another block
diagram. " You aren't developing a strange fascination;
instead, you'll be looking forward to learning how
a different system works. You will recognize block
diagrams as the best way to learn systems. q
Figure 5: An external
block diagram showing a
remote-mounted aircraft
communications radio
Control
Head
Antenna
Aircraft Voltage
Communications
Transceiver
34 avionics news * september 2021
Audio System

Avionics News September 2021

Table of Contents for the Digital Edition of Avionics News September 2021

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Avionics News September 2021 - 1
Avionics News September 2021 - No label
Avionics News September 2021 - Cover2
Avionics News September 2021 - 1
Avionics News September 2021 - 2
Avionics News September 2021 - 3
Avionics News September 2021 - 4
Avionics News September 2021 - 5
Avionics News September 2021 - 6
Avionics News September 2021 - 7
Avionics News September 2021 - 8
Avionics News September 2021 - 9
Avionics News September 2021 - 10
Avionics News September 2021 - 11
Avionics News September 2021 - 12
Avionics News September 2021 - 13
Avionics News September 2021 - 14
Avionics News September 2021 - 15
Avionics News September 2021 - 16
Avionics News September 2021 - 17
Avionics News September 2021 - 18
Avionics News September 2021 - 19
Avionics News September 2021 - 20
Avionics News September 2021 - 21
Avionics News September 2021 - 22
Avionics News September 2021 - 23
Avionics News September 2021 - 24
Avionics News September 2021 - 25
Avionics News September 2021 - 26
Avionics News September 2021 - 27
Avionics News September 2021 - 28
Avionics News September 2021 - 29
Avionics News September 2021 - 30
Avionics News September 2021 - 31
Avionics News September 2021 - 32
Avionics News September 2021 - 33
Avionics News September 2021 - 34
Avionics News September 2021 - 35
Avionics News September 2021 - 36
Avionics News September 2021 - 37
Avionics News September 2021 - 38
Avionics News September 2021 - 39
Avionics News September 2021 - 40
Avionics News September 2021 - 41
Avionics News September 2021 - 42
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Avionics News September 2021 - 63
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Avionics News September 2021 - 66
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Avionics News September 2021 - 68
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Avionics News September 2021 - 72
Avionics News September 2021 - 73
Avionics News September 2021 - 74
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Avionics News September 2021 - 76
Avionics News September 2021 - 77
Avionics News September 2021 - 78
Avionics News September 2021 - 79
Avionics News September 2021 - 80
Avionics News September 2021 - Cover3
Avionics News September 2021 - Cover4
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