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34255Re: [beam] H_Bridge

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  • Wilf Rigter
    Mar 3, 2003
      Thanks to DWAYNE REID that is (sorry!)
       
      wilf
      ----- Original Message -----
      Sent: Monday, March 03, 2003 9:00 PM
      Subject: Re: [beam] H_Bridge

      With a little feedback from Wayne (sharp eye!), here are the corrected mosbridge 1 and mosbridge 2  schematics.  
       
       
       
       
       
       
       
       
      Breadboarded  the mosbridge 2 circuit and it seems to work quite well using static switching and a 12V motor supply.  I am getting quite excited about this design A complementary MOSFET bridge with brake and freewheel just doesn't get much simpler than this.  I will do more extensive tests including PWM and report back later. 
       
      wilf   
       
       
       
      ----- Original Message -----
      Sent: Monday, March 03, 2003 6:21 PM
      Subject: Re: [beam] H_Bridge

      At 06:08 PM 3/3/03 -0800, Wilf Rigter wrote:
      >Here is the simple pre-cursor design for the HyBridge schematic that helps
      >explain the basic anti-shoot through design.

      Just a quick note, Wilf:  It looks as if you have drawn the P-channel
      MOSFETs upside down.  You show the source lead of the P-channel FETs
      connected to the motor instead of the supply rail.  I get your intent but
      others may not.

      dwayne

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