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Lavoie LA-265A: Difference between revisions
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The Lavoie LA-265A is a 33 MHz scope that takes | The '''[[Lavoie Laboratories]] LA-265A''' is a 33 MHz scope that takes | ||
[[letter-series and 1-series plug-ins]]. | [[letter-series and 1-series plug-ins]]. | ||
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It is a military cloned Tektronix [[545|545A]]. | It is a military cloned Tektronix [[545|545A]]. | ||
== Electrical difference to 545 == | ==Internals== | ||
=== Electrical difference to 545 === | |||
The high-voltage circuit is not identical to that of the Tektronix [[545|545A]]. | The high-voltage circuit is not identical to that of the Tektronix [[545|545A]]. | ||
Glow lamps are used to stabilize the high voltage in brightness circuit. | Glow lamps are used to stabilize the high voltage in brightness circuit. | ||
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The lamps aged too fast, with the result that the trace flickers. | The lamps aged too fast, with the result that the trace flickers. | ||
== Mechanical difference to 545 == | === Mechanical difference to 545 === | ||
The mains transformer is potted. | The mains transformer is potted. | ||
Unlike Tektronix instruments of the same era, which require | Unlike Tektronix instruments of the same era, which require | ||
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This is because the terminal strips in the Lavoie have tin-plated steel inserts. | This is because the terminal strips in the Lavoie have tin-plated steel inserts. | ||
==Manuals== | |||
* [http://w140.com/LA265A.pdf Lavoie LA-265-A Manual (PDF)] | * [http://w140.com/LA265A.pdf Lavoie LA-265-A Manual (PDF)] | ||
==Pictures== | |||
<gallery> | <gallery> | ||
Image:LA265A_1.jpg|Lavoie LA265A with Lavoie LA-265CA Plug-in | Image:LA265A_1.jpg|Lavoie LA265A with Lavoie LA-265CA Plug-in | ||