A warning to those thinking of sticking an Ametherm into a PCB: older datasheets show oval leads; new datasheets give only a single dimension. If some of them still have oval leads, the datasheet appears to be giving only the narrow dimension.
Might want to order one before getting a PCB made....
Might want to order one before getting a PCB made....
F4 mongrel beast variation.
Testing an F4 beast variation. 10kHz square wave.
If you have a very small amount of overshoot with your F4, then placing 1000pF across R24, and R25 completely cleans it up to perfection.
Don't do more than 1000pF though. You could possibly try 500pF (I haven't tried it ).
I tried 200pF but it wasn't enough, and 22nF didn't work anywhere near as well.
Testing an F4 beast variation. 10kHz square wave.
If you have a very small amount of overshoot with your F4, then placing 1000pF across R24, and R25 completely cleans it up to perfection.
Don't do more than 1000pF though. You could possibly try 500pF (I haven't tried it ).
I tried 200pF but it wasn't enough, and 22nF didn't work anywhere near as well.
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A warning to those thinking of sticking an Ametherm into a PCB: older datasheets show oval leads; new datasheets give only a single dimension. If some of them still have oval leads, the datasheet appears to be giving only the narrow dimension.
Might want to order one before getting a PCB made....
Got my AS32-20010s from Mouser. The leads are indeed oval (well, flat really). They measure 0.8mm x 2.4mm.
I made a Kicad footprint for them, if anyone's interested.
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