My complaint is changing the method of calculation of rise time between models in the same line of instruments. It's a matter of integrity, not the performance of the instrument that bothers me. The closest analogy I can think of is finding out your wife of 20 years is cheating on you.
I can't see any reason that you could not let the user choose the step response.
I think that's a fair rendition. My complaint really is changing the calculation for the last scope in the datasheet.
The MSOX3000T has only a single reduced bandwidth option, 20 MHz. My MSO2204EA will let me choose 20, 100 or 200 MHz. There's no reason you couldn't do a digital filter to give the user a Gaussian step response. It would cost some bandwidth, but so what?
I don't like the "flat as far as we can push it" model. I was quite stunned to see 7% overshoot. God only knows how you'd diagnose overshoot in a DUT. My major project is to implement FOSS FW for Zynq based DSOs. I was all set to start serious work on that when watching my brother in-law rapidly deteriorate from Parkinson's convinced me I should spend some money on test gear I have always wanted. That led to a major reorganization project. I was actually browsing eBay for older gear and seriously considering an 8104A, but the 6 fans on the side and the physical dimensions scared me off. Then I found a 1/2 price deal from Keysight that included probes, fresh cal with data and a 3 year warranty. I'm afraid I succumbed to bargain fever.
I think that's a fair rendition. My complaint really is changing the calculation for the last scope in the datasheet.
The MSOX3000T has only a single reduced bandwidth option, 20 MHz. My MSO2204EA will let me choose 20, 100 or 200 MHz. There's no reason you couldn't do a digital filter to give the user a Gaussian step response. It would cost some bandwidth, but so what?
I don't like the "flat as far as we can push it" model. I was quite stunned to see 7% overshoot. God only knows how you'd diagnose overshoot in a DUT.
My major project is to implement FOSS FW for Zynq based DSOs. I was all set to start serious work on that when watching my brother in-law rapidly deteriorate from Parkinson's convinced me I should spend some money on test gear I have always wanted. That led to a major reorganization project.
I was actually browsing eBay for older gear and seriously considering an 8104A, but the 6 fans on the side and the physical dimensions scared me off. Then I found a 1/2 price deal from Keysight that included probes, fresh cal with data and a 3 year warranty. I'm afraid I succumbed to bargain fever.
You can never have enough scopes
Sometimes I do think, I have too many scopes but somehow they are all used.
I would not use my 1GHz MSOX3104A if I need to measure anything close to the upper BW limit.
For that I use the 6 GHz 6000X series scope.
But the one scope that I find most convenient to use is the 7000 series one. I have two of them and they are just very pleasing, not just for the large screen and fast response to any key input, they are in my opinion almost perfect scopes. And once in a while they are offered at really low cost on ebay.
BNC: http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=124&products_id=295
Putting an optional Gaussian filter on the waveform via an ASIC is *not* hard. Marketing gets their "1 GHz" spec and the user gets a sensible step response when they need one. I'm hoping that user defined digital filters are an option.
I'm comfortable with my choice. I've been rewiring my bench so I haven't given it a full work out, but so far it has been very pleasant to use just playing around. I'm a retired research geophysicist, so this was a stretch to justify. But after buying a bunch of 90's HP gear, I got *really* tired of Chinese stuff. So I bought a 33622A from the Keysight eBay store to replace my F***Tech FY6600 which borked itself the day after i fixed the 176 Vpp AC on the BNC grounds. I had the misfortune to get one with the V3.0 FW. Lots of promises of a fix from F***Tech, but nothing actually done.
I certainly can deconvolve it, but I wouldn't try doing it by eye.
As for BNC pulsers, Leo is making a new batch. Email him. He's *very* responsive. But not website obsessed.
auto/manual are all dedicated buttons and i use them all the time
Is this still available? I would like to get one so I can do a high frequency response cal on a Tek 485 my self.
Is this still available? I would like to get one so I can do a high frequency response cal on a Tek 485 my self.
So why they don't allow the user to select 100, 200, 350 or 500 MHz BW on a scope licensed for 1 GHz is beyond me.