A couple of months ago, I bought an adorable little 1989 Tektronix 222 miniature CRT portable oscilloscope locally on Facebook marketplace – I love old electronics test gear, and the 222 is particularly desirable among collectors due to its cuteness. The Tektronix 222 is a portable battery-powered 10 MHz dual-channel CRT oscilloscope with digital storageContinue reading “1989 Tektronix 222 Miniature CRT Portable Oscilloscope – Battery Pack Replacement”
Adam's Vintage Computer Restorations
A site documenting an electronic engineer's tinkering habits.