Measure and troubleshoot electronics

Debug electronic circuits using bench instruments systematically

Systematic fault-finding on prototype circuits before design review

• · Circuit schematic
• · Failure symptom
• · Test equipment available

• · Voltage waveforms
• · Timing measurements
• · Frequency spectrum
• · Root cause analysis

• · DMM
• · Oscilloscope
• · Logic analyzer
• · Optional spectrum analyzer

• · Basic electronics knowledge
• · Access to bench instruments
• · Safe power supply

• · Probe loading distorts signal
• · Ground loop introduces noise
• · Trigger not set correctly
• · Bandwidth insufficient

• · Bench instrument selection table
• · Probing technique with ground clip rules
• · Trigger mode explanations
• · Loading effect calculations