Page 278 - Electromechanical Devices and Components Illustrated Sourcebook

240 Electromechanical Devices & Components Illustrated Sourcebook

Head Loop

Height Adjustment

Earpiece

Alligator Clip

50 uf 10 Volt

Capacitor
Figure 13-56 Head Set Circuit Tracer

Indicator LEDs

Tip

Alligator Clips

Figure 13-57 Logic Probe

the circuit. The capacitor’s function is to protect the head- Oscilloscopes
phones from being damaged by high-powered signals.
An oscilloscope is literally a television that allows the
Logic Probes technician to view the particulars of an electrical signal.
These instruments are invaluable tools in the electronics
Logic probes are circuit tracers that are specifically designed industry, allowing detailed analysis of complex signal and
to operate with digital circuitry. Figure 13-57 shows a typical waveforms. Figure 13-58 shows a typical commercial
logic probe. oscilloscope.