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Amplifying Signals
Breadboarding:
from a diagram to an actual working
amplifier.
Breadboard connections?
Each block of
5 sockets or
“holes” have
The power
common
wires
rails are
underneath
connected all
the way
across the row
Breadboard connections:
These are now
connected
These are now
connected
How about
these sets of
wires?
NOT
?
NOT
?
These are
connected
Common wires underneath means…
Yes
?
This is a diagram of an amplifier circuit. We could just connect these wires, but using a
breadboard is easier…
+9 V Power
supply
audio
input
Variable Resistor
GROUND
8 7 6 5
1 2 3 4
output to
speaker
- Terminal
+ Terminal
Power
–9 V supply