Lavoie LA-265A: Difference between revisions

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The '''[[Lavoie Laboratories]] LA-265A''' is a 33 MHz scope that takes  
{{Oscilloscope Sidebar|
[[letter-series and 1-series plug-ins]].   
title=Lavoie LA-265A |
image=LA265A_1.jpg |
caption=Lavoie LA265A with [[Lavoie LA-265-CA]] Plug-in |
introduced=(?) |
discontinued=(?) |
summary=33 MHz oscilloscope |
manuals=
* [http://w140.com/LA265A.pdf Lavoie LA-265-A Manual (PDF)]
}}
The '''Lavoie LA-265A''' is a 33 MHz scope that takes  
[[letter-series and 1-series plug-ins]].  It is an unauthorized clone of a
[[545|Tektronix 545A]] made for a defense contract by [[Lavoie Laboratories]].


It has two timebases, which allows delayed triggering.   
It has two timebases, which allows delayed triggering.   
It is a military cloned Tektronix [[545|545A]].


==Internals==
==Internals==
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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]].
Neon lamps are used to stabilize the high voltage in brightness circuit.
Neon lamps are used to stabilize the high voltage in brightness circuit.
However, the neon lamp stabilizer is often faulty. 
However, the neon lamp stabilizer is often faulty - the
The lamps aged too fast, with the result that the trace flickers.
lamps aged too fast, with the result that the trace flickers.


=== Mechanical difference to 545 ===
=== Mechanical difference to 545 ===
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silver-bearing solder, ordinary solder is fine for working on the Lavoie.
silver-bearing solder, ordinary solder is fine for working on the Lavoie.
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)]


==Links==
==Links==
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==Pictures==
==Pictures==
<gallery>
<gallery>
Image:LA265A_1.jpg|Lavoie LA265A with Lavoie LA-265CA Plug-in
File:LA265A_1.jpg | Lavoie LA265A with [[Lavoie LA-265-CA]] Plug-in
File:Lavoie ca plugin.jpg|Lavoie CA Plug-in
File:Lavoie ca plugin.jpg | [[Lavoie LA-265-CA]] Plug-in
Image:LA265A_2.jpg|Terminals with tin-plated steel insert
File:LA265A_2.jpg | Ceramic terminals with tin-plated steel insert
Image:LA265A_HV.png|Schematic of HV-Supply, glow stabilizer
File:LA265A_HV.png | Schematic of HV-Supply, glow stabilizer
</gallery>
</gallery>


[[Category:500 series scopes]]
[[Category:500 series scopes]]
[[Category:Lavoie products]]
[[Category:Lavoie products]]
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