You can't, but it's also pricey.I doubt you could go wrong with Tektronix.
Unless you need to look at high speed data lines or transients you should be able to get by with almost any old tektronix scope - check eBay or craigslist. The 465 is great, you should be able to find one for less than $200 without much trouble, cheaper if you hunt around.
Wow, you guys go back far...While the Tek 465B is my favorite scope (mainly because I have muscle memory about every control on its front panel), I might opt for a more modern digital scope if buying today. The "less than $200" can rapidly grow with calibration and repairs. These scopes are typically more than 40 years old now, which is clearly outside typical life of their capacitors.
ST
Wow, you guys go back far...
My first scope was Tek TDS430.
1977? I was around, but toddling.
Anything above 100MHz is in the realm of black magic.
I wonder if the market was just being overrun with Chinese products for them to be competitive.Agilent (itself spun off of HP) has in turn spun or sold off their electronic test equipment; the oscilloscopes are now made and sold by Keysight.
Pretty much every brand has a mixed signal scope in their line now. The Rigol model I have with that is under $700.One of the neatest and handiest scopes I've had the opportunity to use was an HP mixed signal oscilloscope, with a couple (or was it four? it was some time ago) "normal" DSO channels--with decently deep memory depth--and sixteen digital channels that formed a sort of mini logic analyzer. I seem to recall they informally referred to it as the "scopealyzer." It looks like Keysight still sells some descendants of that line, if you care to buy a brand new oscilloscope rather than a brand new car.
I see 465s and 475s all over all the time but not on craigslist... almost all of them with the IBM silkscreen -- but that's because Endicott is right here. I also see a lot of other manufacturers scopes around and a lot of tek scopes on craigslist in adjacent areas.I don't know if it's just because I'm in Portland but I see Tektronix scopes on Craigslist all the time.
Well, I wasn't born yet...In 1977, I bought Production Arts' first 100mHz scope--a brand new Tek 465B with 10:1 auto-indicating probes and a scope-mobile cart. (I'm just guessing you might not have been born yet )
Again, depends on needs. I wouldn't buy a non-functional one these days since there are so many readily available and I wouldn't buy an instrument of that age for calibrated use (unless very specific feature sets were needed). It's interesting to note that the calibration procedure for the 465 requires a functioning oscilloscope (among other things). The calibration procedure for the 422 suggests a voltmeter and ohmmeter I believe (I don't think both were actually required, I may be mistaken though). I might have a 422 that I acquired (gratis) some years ago and reconditioned and recalibrated so that I could use it to recalibrate a 465...While the Tek 465B is my favorite scope (mainly because I have muscle memory about every control on its front panel), I might opt for a more modern digital scope if buying today. The "less than $200" can rapidly grow with calibration and repairs. These scopes are typically more than 40 years old now, which is clearly outside typical life of their capacitors.
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