| Using L6506 | | 01/01/70 00:00 |
| Two sensing resistors | | 01/01/70 00:00 |
| Oops... | | 01/01/70 00:00 |
| Diodes | | 01/01/70 00:00 |
| internal vs external diodes | | 01/01/70 00:00 |
| Yes, but depends | | 01/01/70 00:00 |
| Still having problems with this. | | 01/01/70 00:00 |
| Scope plots? | | 01/01/70 00:00 |
| Plots and Diodes | | 01/01/70 00:00 |
| On the scope plots... | | 01/01/70 00:00 |
| I don't see photos at all | | 01/01/70 00:00 |
| That's all I can see: | | 01/01/70 00:00 |
| Ok, bad links... try this | | 01/01/70 00:00 |
| Ahh, much better!! | | 01/01/70 00:00 |
| Some Explanation | | 01/01/70 00:00 |
| I guess I know what happens... | | 01/01/70 00:00 |
| Explaination | | 01/01/70 00:00 |
| I guess.. I don't follow... | | 01/01/70 00:00 |
| Switch mode | | 01/01/70 00:00 |
| 1.6 mH / Phase | | 01/01/70 00:00 |
| Additional questions | | 01/01/70 00:00 |
| Additional Answers | | 01/01/70 00:00 |
| More decoupling needed | | 01/01/70 00:00 |
| One more | | 01/01/70 00:00 |
| 5.1 zener | | 01/01/70 00:00 |
| Two more | | 01/01/70 00:00 |
| RE: Two more | | 01/01/70 00:00 |
| They should stay rather cool | | 01/01/70 00:00 |
| Right now | | 01/01/70 00:00 |
| I don't understand... | | 01/01/70 00:00 |
| Not Calculation... measurement | | 01/01/70 00:00 |
| Peak versus DC? | | 01/01/70 00:00 |
| Measurements | | 01/01/70 00:00 |
| What you see is not the motor current! | | 01/01/70 00:00 |
| Rsense | | 01/01/70 00:00 |
| Pumping enery into inductance | | 01/01/70 00:00 |
| Current sensing | | 01/01/70 00:00 |
| 3 amps/phase - unipolar config | | 01/01/70 00:00 |
| That would be the motor current | | 01/01/70 00:00 |
| I think your am-meter is not working cor | | 01/01/70 00:00 |
| Amps | | 01/01/70 00:00 |
| A scope plot would clear the situation | | 01/01/70 00:00 |
| set the scope to differential mode | | 01/01/70 00:00 |
| Shunt resistor | | 01/01/70 00:00 |
| Parallel them | | 01/01/70 00:00 |
| Ok, but first | | 01/01/70 00:00 |
| Hmm... | | 01/01/70 00:00 |
| Time constants | | 01/01/70 00:00 |
| Stepper Motor Datasheet | | 01/01/70 00:00 |
| Connecting mistake? | | 01/01/70 00:00 |
| Take care with it | | 01/01/70 00:00 |
| Sparks? | | 01/01/70 00:00 |
| Protection earth | | 01/01/70 00:00 |
| Dual channel scope | | 01/01/70 00:00 |
| Power Supply | | 01/01/70 00:00 |
| Have a nice lunch! | | 01/01/70 00:00 |
| Another idea | | 01/01/70 00:00 |
| Scope plot | | 01/01/70 00:00 |
| yup | | 01/01/70 00:00 |
| RE:yup | | 01/01/70 00:00 |
| RE: Another Idea | | 01/01/70 00:00 |
| It explains why your DC current is ... | | 01/01/70 00:00 |
| Yes... | | 01/01/70 00:00 |
| Same setup | | 01/01/70 00:00 |
| Where is this coming from... | | 01/01/70 00:00 |
| Analysis | | 01/01/70 00:00 |
| I can't !#$#@ believe it! | | 01/01/70 00:00 |
| New Scope Plots | | 01/01/70 00:00 |
| Ringing | | 01/01/70 00:00 |
| RE:Ringing | | 01/01/70 00:00 |
| save the trouble | | 01/01/70 00:00 |
| He already does! | | 01/01/70 00:00 |
| Additionally | | 01/01/70 00:00 |
| Yes, in HF boards | | 01/01/70 00:00 |
| Looks the same. | | 01/01/70 00:00 |
| 5k + 2n and 10k+ 1n please | | 01/01/70 00:00 |
| Vsense Plots | | 01/01/70 00:00 |
| Aha! | | 01/01/70 00:00 |
| And... | | 01/01/70 00:00 |
| Filtered Plots | | 01/01/70 00:00 |
| Sense of filtering | | 01/01/70 00:00 |
| More Torque | | 01/01/70 00:00 |
| Differential mode | | 01/01/70 00:00 |
| Back at it again. | | 01/01/70 00:00 |
| Hmmm... | | 01/01/70 00:00 |
| Free wheeling schemes | | 01/01/70 00:00 |
| TVS value? | | 01/01/70 00:00 |
| Surely not | | 01/01/70 00:00 |
| Not my marriage... my dad's | | 01/01/70 00:00 |
| Success with fishing on the weekend? | | 01/01/70 00:00 |
| Yes... I did get to go | | 01/01/70 00:00 |
| Comments | | 01/01/70 00:00 |
| Start with a 1.5KE6V8A | | 01/01/70 00:00 |
| No change with 1.5KE6V8A | | 01/01/70 00:00 |
| No difference with other values | | 01/01/70 00:00 |
| Last hope... | | 01/01/70 00:00 |
| Same motor - different drive | | 01/01/70 00:00 |
| Plots of current system | | 01/01/70 00:00 |
| More plots | | 01/01/70 00:00 |
| By golly, we're making headway now | | 01/01/70 00:00 |
| Need of free wheels | | 01/01/70 00:00 |
| Looking Back and Forward | | 01/01/70 00:00 |
| A bit strong... | | 01/01/70 00:00 |
| Strong | | 01/01/70 00:00 |
| Didn't work :(( | | 01/01/70 00:00 |
| As I recommended earlier... | | 01/01/70 00:00 |
| Yes, but... | | 01/01/70 00:00 |
| Keep an exe on heat dissipation! | | 01/01/70 00:00 |
Only slight decrease in FET temp | | 01/01/70 00:00 |
| Yes, but... | | 01/01/70 00:00 |
| You can switch both | | 01/01/70 00:00 |
