Measuring Apple II CPU's Glitchy Clock
The Apple IIβs CPU clock has jitter or a glitch. This issue is not newβit has been present since its original design in 1977! Bald Engineer uses an oscilloscope to show how often β¦
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Op Amps Without Op Amps | Workbench Wednesdays #39
Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two β¦
Read MoreEssential Logic Families | Workbench Wednesdays #35
Did you know that TTL chips do not output 5 volts? 74LS, 74HC, and 74HCT all have different input and output thresholds. Switching between logic families can be difficult if you β¦
Read MoreOscilloscope Probes Primer - Why so many types?
Unless you have a BNC or SMA connector your board, you will need a probe to get signals into an oscilloscope. Understanding what kind of oscilloscope probes are out there, which β¦
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