Well,
I have a Tektronics 2465 'scope that has some issues with it's timebase:
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The sweep A is all out of bonk - there's a 10MHz signal applied and at a 50ns sweep time per devision we should see 5 sinewaves - we see 8 :-(
Sweep B is correct at 20ns however.
I've started to take the 'scope to bits and will use this blog entry to document things as I go. Here are the initial shots of the 'scope in bits:
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So here you can see both U700 and U900 removed, I'm going to try the 'scope with these two swapped round as they are the same component but for Sweep A and B:
![]()
I have a Tektronics 2465 'scope that has some issues with it's timebase:
The sweep A is all out of bonk - there's a 10MHz signal applied and at a 50ns sweep time per devision we should see 5 sinewaves - we see 8 :-(
Sweep B is correct at 20ns however.
I've started to take the 'scope to bits and will use this blog entry to document things as I go. Here are the initial shots of the 'scope in bits:
So here you can see both U700 and U900 removed, I'm going to try the 'scope with these two swapped round as they are the same component but for Sweep A and B:
