abstract
amplifier
background
blue
circuit
circuitry
communication
converter
crt
deviation
device
diagram
display
electric
electrical
electronics
equipment
filter
frequency
green
illustration
light
modulation
multiplier
nobody
oscillation
oscillations
oscilloscope
period
phase
power
radio
repair
retro
screen
signal
sine
transformer
voltage
wave
定額
Sine signal on the oscilloscope screen in green tones, a backgroundの素材 [FY31029355798]
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