[Jerry Pommer] has an old Tektronix 2236 that is having some issues. Just to the right of the top corner of the screen is a VFD display that is used to show various numerical measurements.

The first oscilloscope I ever used professionally was an old synchronized sweep instrument. Obtaining a stable display on that old oscilloscope was an art. Now I appreciate all the triggering tools ...

[Jerry Pommer] has an old Tektronix 2236 that is having some issues. Just to the right of the top corner of the screen is a VFD display that is used to show various numerical measurements.

Oscilloscopes provide critical signal visibility for debugging, testing, and ensuring that electronic systems match developers’ imaginations. Specifying when the oscilloscope captures information ...

What if a variable-frequency drive (VFD) on a critical system has a fault indication, the “error” LED on a DC power supply has turned on, or a conveyor belt has started behaving erratically — most ...