517
The Tektronix 517 is a 50MHz scope. The power supply is an external box, similar to the 551 and 555. The 517 does not take plug-ins. There is also a 517A.
The Tektronix 517 is a 50MHz scope. The power supply is an external box, similar to the 551 and 555. The 517 does not take plug-ins. There is also a 517A.