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Oscilloscope and Multimeter Schematics

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PIC18F2550 USB HID Oscilloscope

PIC18F2550 USB HID Oscilloscope

It allows to quickly and effectively communicate with the desktop computer. Using HID means that this oscilloscope does not require drivers (only the oscilloscope software).

http://www.semifluid.com/PIC18F2550_usb_hid_oscilloscope.html

PIC12F675 Oscilloscope

PIC12F675 Oscilloscope

This is a simple PC voltage oscilloscope using only a PIC12F675, a 20MHz oscillator, and a RS232 level shifter.

http://www.semifluid.com/PIC12F675_Oscilloscope.html

Trace voltage-current curves on your PC

Trace voltage-current curves on your PC

sweeps out seven logarithmic-scaled currents from 1 ľA to 1 mA while measuring the voltage, 0 to 5V (3.3V on some PCs), at each step

http://www.edn.com/article/CA170223.html

Calibrate scope jitter using a transmission-line loop

Calibrate scope jitter using a transmission-line loop

http://www.edn.com/article/CA158985.html

Trigger circuit locks onto one horizontal line

Trigger circuit locks onto one horizontal line

produces an oscilloscope trigger that synchronizes the horizontal sweep to a video signal that allows you to view any horizontal line by adjusting a potentiometer

http://www.edn.com/archives/1996/090296/18di2.htm

XYZ's of Analog and Digital Oscilloscopes

XYZ's of Analog and Digital Oscilloscopes

A very nice article on the actual use of O'Scopes.

http://www.tek.com/Measurement/App_Notes/XYZs/index.html

Testing

Testing

How to test those pesky transistors with a DMM or VOM.

http://www.anatekcorp.com/qdmmvom.htm

How to use a O'Scope

How to use a O'Scope

The proper techniques for using an oscilloscope are presented. From basic measurements to more advanced techniques.

http://www.doctronics.co.uk/scope.htm


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