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Recent content by wessoms

  1. W

    pic's mclr pin problem.

    microchip pic mclr pin esd The reason why is because the 100nF cap will pass the negative transient spike from the ground to MCLR when the relay changes states. The current thru the 10K resistor from VDD to the MCLR pin is not enough to keep the transient spike from pulling the pin LOW. There...
  2. W

    i want to drive a stepper motor at 8K rpm is that realistic?

    Re: i want to drive a stepper motor at 8K rpm is that realis I don't think it is possible. You cannot energize the field that fast and produce enough energy to move the shaft. Even if you drive it the field at 8K the shaft will not rotate. Most high speed motion is done with DC motors and...
  3. W

    R&S CMU200 VS. AGILENT 8960

    r&s cmu200 I have used only the CMU-200 so I can only speak about that. If you want to do engineering test the CMU-200 will do fine. If you have the right options it will allow a full base station emulation. It will give TX power , Out of band Power , Spread , RX sensitivity and has a good...
  4. W

    how to speedup quartus place & route function?

    Well this might not help , but when I was doing place and route for Altera 600k parts and was getting to about 75% utilization the P&R slowed down alot. Exponential as utilization increased. Took me about 2.5hrs. I then upped my memory from 1gig to 4 gig and the performance increased about 25%...
  5. W

    P I C C 8. 0 2 is out but...

    I know the registration requires a reg-key as well as activation key and serial #. I don't think you can install it over 8.01pl3. The registration has changed. wessoms
  6. W

    CSR Headset Current Consumption ?

    Does any one out their know roughly what the current consumption is for the CSR module being used a headset in SLEEP , IDDLE , and connection ? Does the CSR module also support Sniff during connection ? so it will work reliably with the Nokia phones.

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