Lavoie LA-265A

From TekWiki
Jump to navigation Jump to search

The Lavoie LA-265A is a 33MHz scope that takes letter-series and 1-series plug-ins. It has two timebases, which allows delayed triggering. It is a military cloned Tektronix 545A


Electrical difference to 545

The high-voltage circuit is identical to that of the Tektronix 545A. Glow lamps are used to stabilize the high voltage in brightness circuit. However, the glow lamp stabilizer is often faulty. The lamps aged too fast, with the result that the trace flickers.

Mechanically difference to 545

Transformer is potted. Ceramic terminals may soldering with ordinarily solder, because terminals has tin-plated steel insert.