Buy something analog made by Tektronix.
Look for a 4XX model such as 455 or 465; approx 50 and 100 Mc BW. Enough
for most vintage issues. Do not get a 475 or 485 as they have hybrid
amps which fail occasionally and are expensive to replace.
Also fine is 22xx such as 2245, 246, 2247. Similar but newer and with
useful features related to waveform measurement.
The above scopes are pleasant to use, reliable, and good at staying in
cal if they have not been beaten or hacked.
It's usual to see these for anywhere from $150-$300 depending on condition.
GL
Steve
David Griffith wrote:
Does anyone here have any pointers on getting a decent
used oscilloscope?
The intended use is for fiddling with classic computers and assorted
homebrewed projects (like synthesizers and geiger counters)