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Recent content by explorick

  1. E

    H-bridge Circuit Please check

    I would recommend to contact the chip vendor as the internal plane details for the IC will be difficult to predict.
  2. E

    H-bridge Circuit Please check

    You could look into vendor sites like https://www.murata.com/products/emc/selection_guide/emc/index.html ensure the footprint is compatible with a zero ohm resistor rated with 2A current.
  3. E

    H-bridge Circuit Please check

    The ground should be a star ground as stated in the schematic. So it should not be connected else where. Also it is better to have a ferrite bead which can be mounted based on the need.Else a zero ohm resistor can be populated there.The ferrite bead suppress the noise coupled to GND as motor...
  4. E

    voltage limitation circuit

    thanks.. Let me see if I can get more ideas from other members of this forum..
  5. E

    H-bridge Circuit Please check

    The ground to the diodes of motors(D2,D4,D6,D8) should be GND-M instead of GND.
  6. E

    voltage limitation circuit

    The IC would damage if the voltage is 40V.So that's why a circuit before the IC needs to be employed to make sure that the voltage is limited to 20V. And I want ideas on how this circuit can be designed
  7. E

    voltage limitation circuit

    yes the 40V value cannot be termed as a transient but it is something that needs to be handled by my circuit such that it should not get propagated to the IC. And for a vlaue of >=40V for more than 1 minute the circuit will shut down the power supply to the IC. I was aware of 0.5sec dropouts of...
  8. E

    voltage limitation circuit

    i have an IC working from voltage 0 to 20V. I will shutdown the supply if the voltage exceeds 20V. But at the same time, i want to allow the circuit to be operational for a 40V transient(may be termed as long time transient)occurring for a minute. Can you let me know how to design a input...
  9. E

    high speed(>=10G) simulator tools

    When designing PCB, tools like Hyperlynx are used for signal integrity analysis. But the tools known to me(Cadence PCB SI, Mentor HyperLynx) give good results only till 3Gbps or odd. Incase if I want to get PCB constraints for a 10Gbps differential trace etc.. i cannot do with the tools known to...
  10. E

    flying probe test basics

    But in the link "What is aFlying Probe Test" they didnt give how it was electrically done. I only understand from your text below that voltage and current are programmable. I was looking for link that would give detailed information on the following text you said: "Of course engineers design...
  11. E

    flying probe test basics

    I want to know how it will be done from the electrical perspective. Will there be any voltage/ current fed on to the testpoints.If yes is it programmable?
  12. E

    flying probe test basics

    can anybody detail how the flying probe testing works for detecting a short on PCB?
  13. E

    flying probe test detail needed

    Can anybody tell me how flying probe test is done on a PCB for detecting short. Will they apply some voltage between supply pin and ground and measure current?
  14. E

    clock level translation

    I am having a synthesizer circuit whose output is 3.3V CMOS. So i need to convert to 1.8V CMOS. Will there be no jitter problems considering the propagation delay variation with the devices chosen?
  15. E

    clock level translation

    I want to level translate a 3.3V CMOS, 15MHz clock signal to 1.8V CMOS clock 15MHz clock signal. Can i use 74LVC1T45GW( **broken link removed** ) for this.The datasheet only talks about data rate and will there be any skew or jitter problems if this device is used. If this device cannot be...
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