![]() Unfortunately that does not help me as FeelTech made lots of promises of support but has never fixed the problem for anyone on the forum who has been affected. However that seems to be fixed in V3.2.1. Next day I turned it on and the FW was corrupted. Tested it for several hours on the bench and it worked great. I fixed it by adding 1 nF from the instrument ground to the ground of a 3 wire plug I installed. Both use ungrounded SMPSs so they can have large voltages on the BNC ground sleeve. There's a long thread on the FeelTechs which have a FW corruption problem in FW versions below 3.2. The JDS6600 and FY6600 AWGs are quite good for the price. The Instek GDS-2000E has great FFTs, but no vernier vertical adjustment which the Rigol DS1102E does (and I assume the Z also). Whatever your budget and choice there will be things you don't like. ![]() For certain, the gadget works on my Surface Book! It's easy to carry it along with a laptop or Surface tablet. Don't overlook the portability of this gadget. Besides, 27" screens are bigger that 7" screens on real scopes. It is literally a lab that fits in a backpack. There is simply nothing like it, anywhere! If I were starting out and on a budget, the Analog Discovery 2 is the approach I would take. Just look at the different virtual instruments. Download the software and play with the Demo device. You can do stuff with the AD2 that takes a barn full of discrete tools. Dual output signal generator, dual channel scope, digital input/output and logic analyzer plus an array of virtual instruments. You have to promise not to probe mains voltages and pay care to the limitations but this is a great device for a student/newcomer. You could just get the Digilent Analog Discovery 2 with all the options and get along quite nicely. It's not the cleanest output in the world but it's not bad. Of course, I do mostly digital and there are other ways to generate signals. ![]() Why do you need one? I managed to get along for 40+ years without one and bought one last year just because I could. But that only leaves $150 and you won't get a quality signal generator for that kind of money. Unlock it, details elsewhere, and you have 100 MHz, plenty of memory and all the options that are already included. Well, the scope is easy (assuming you are not working on RF or very high frequencies) = Rigol DS1054Z is very popular and affordable at $349 at TEquipment. ![]()
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