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Test Equipment / Re: Equipment Discounts from Saelig
« Last post by awakephd on Today at 09:44:28 pm »I am about ready to pull the trigger on a scope. Could I also get the discount code? Thanks!
>Depending on your (apparently secret) requirements...
Or I simply don't know yet. Pretty much all the requirements (=the rest of the circuit) depend on what kind of signal I can generate. The frequency can be between 1-10kHz. Amplitude can be between 200mV and 5V. I don't know how much THD (or any other parameter) affects to the device. I need to finish the design, build the device and test. And then probably, re-design the circuit, build another device and test again. Maybe at this point I actually know all the key parameters, including if THD matters or not.
But I do know today that I am iterating options how to generate sine wave - as clarified in the initial message including an example circuit.
Quadrature oscillator might be "the fresh idea I was looking for". Just that none of the first examples I tried to simulate on LTspice didn't work. Like this one:
(Attachment Link)
Probably a simulation related issue - I need to analyze it further...
sw guy
Links to the tools please.
The board holder does look very nice, and do I see you invested in a chip tester? The one Adrian Black (digital basement) used to test al kinds of chips with?
It is certainly doable. My previous comment wasn't an endorsement of western safety standards. In the west we are trending towards finding that a one in a million chance of someone getting a hangnail is unacceptable. People in the US are currently going crazy over a vacuum thermos that has a lead seal that is not externally accessible, and claiming a billion dollars of emotional damage from being in the airplane that lost a window.
You need Pattern Generator. https://en.wikipedia.org/wiki/Digital_pattern_generator
https://digilent.com/reference/test-and-measurement/guides/waveforms-pattern-generator
Digilent Analog Discovery 3 - https://digilent.com/reference/test-and-measurement/analog-discovery-3/start