Hi
I opened a post a month or so ago, asking for some help in choosing an oscilloscope.
Fortunatelly, I'll get a Tektronix TDS 60MHz scope soon. I decided to pay more, and get more (more warranty on top of everything, and why not, a high quality scope compared with other "low-cost" ones, and also very small, which is something I really apreciate.
Now, I'm still not sure about channels. 2 or 4. I know someone asked something like this a few months ago, and no one argued in favor of 4 channels. Most of things I can think of now require two channels. Maybe sniping into a SPI bus will get and advantage with 3 channels (data in, data out and clk), and of course many digital applications, where usually lot of signals are present, get benefit (control signals, for example). No doubt a logic analyzer is most suitable (also the TDS has very short buffer). I own one, USB based. But of course, simple applications that can be handeld by the scope is preffered, as it's not always comfortable to have a PC around.
In analog world, 4 channels seems to be more confortable, as lets you look at 2 stages at the same time, but most of times I suppose it'd be just fine if you take 2 measures at a time. One before, and the other one later. The fact is that just $250 is the difference between a 2 channel and 4 channel TDS scope, with probes included, as far as I know.
How do you see it?
Thanks.
I opened a post a month or so ago, asking for some help in choosing an oscilloscope.
Fortunatelly, I'll get a Tektronix TDS 60MHz scope soon. I decided to pay more, and get more (more warranty on top of everything, and why not, a high quality scope compared with other "low-cost" ones, and also very small, which is something I really apreciate.
Now, I'm still not sure about channels. 2 or 4. I know someone asked something like this a few months ago, and no one argued in favor of 4 channels. Most of things I can think of now require two channels. Maybe sniping into a SPI bus will get and advantage with 3 channels (data in, data out and clk), and of course many digital applications, where usually lot of signals are present, get benefit (control signals, for example). No doubt a logic analyzer is most suitable (also the TDS has very short buffer). I own one, USB based. But of course, simple applications that can be handeld by the scope is preffered, as it's not always comfortable to have a PC around.
In analog world, 4 channels seems to be more confortable, as lets you look at 2 stages at the same time, but most of times I suppose it'd be just fine if you take 2 measures at a time. One before, and the other one later. The fact is that just $250 is the difference between a 2 channel and 4 channel TDS scope, with probes included, as far as I know.
How do you see it?
Thanks.