Digital PC Oscilloscope Analog voltage signals are sampled externally to the computer, digitized via Analog to Digital Converter (ADC). Input signals are pre-scaled and conditioned to protect the ADC from overvoltages.

Oscilloscope Block Diagram and Schematics Make an Oscilloscope public-domain schematics for a dual-trace, triggered oscilloscope The bandwidth can easily be extended beyond 100 MHz by using inexpensive high speed drivers and op-amps Adjustable Attenuator DC-10Mhz Amplifier Analog Channel Switch Vertical Deflection Amplifier Sweep Generator CRT and Power Supply Blanking Circuit Horizontal Deflection Amplifier

program to implement a dual trace 20Hz-20Khz oscilloscope via PC sound card

Octopus Ocilloscope Adapter simple cheap adapter converts oscilloscope into a component tester. The adapter causes a component's current vs. voltage characteristics to be displayed on an oscilloscope's screen

Function Generator by Michael Ellis 68HC11 based frequency counter, square wave synthesizer, sine wave synthesizer, programmable filter, capacitance and inductance meter, with a digitalker speech synthesizer output

Adjustable Continuity Tester

Linear Scale Resistance Meter

Digital Voltmeter (ICL7129ACPL based)

direct-reading Capacitance Meter

Capacitor Tester based on bridge principle

frequency and Capacitance Meter

Test Equipment - Power Supply 1 Test Equipment - Power Supply 2

Transistor Tester

ELF Monitor A telephone pick-up coil is utilized as a sensor for low-frequency magnetic fields. Electromagnetic Field Detector 1 Electromagnetic Field Detector 2 Electroscope - detects electrostatic fields

Serial Port A/D-converter

This webpage was last updated on March 14, 2001

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