A problem with my oscilloscope
Hello
I have a problem with my old tube Telequipment 43A oscilloscope, I use a sine wave generator who work perfect and have only .01 % distortion, but wen I feed my oscilloscope with any sine waves it's kind of oscillating alway's at the right side of the sine wave in the screen of the scope. It is doing that only with my scope, so it's not a problem with my sine wave generator Here a link of a photo of that, I was very close so it's bit out of focus photo and it's hard to catch the sine with my camera. http://img292.imageshack.us/img292/8837/im000244jy3.jpg What can by the problem ? Thank Gaetan |
A problem with my oscilloscope
Gaetan Mailloux wrote in message
... Hello I have a problem with my old tube Telequipment 43A oscilloscope, I use a sine wave generator who work perfect and have only .01 % distortion, but wen I feed my oscilloscope with any sine waves it's kind of oscillating alway's at the right side of the sine wave in the screen of the scope. It is doing that only with my scope, so it's not a problem with my sine wave generator Here a link of a photo of that, I was very close so it's bit out of focus photo and it's hard to catch the sine with my camera. http://img292.imageshack.us/img292/8837/im000244jy3.jpg What can by the problem ? Thank Gaetan Try replacing an ECF80 in the X-drive circuitry, V107, V108 . The one advantage of valve stuff - you do realise that it is about 40 years old ? -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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