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Recent content by ignition

  1. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi Thanks to all for the information and advice!
  2. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi all I changed to a new piece of MOSFET and managed to get it to source 0.6A to the load. To get the MOSFET to operate as a switch, I read that it is best to operate in the linear region? Do we need to control Vds to do so? Other than decreasing the Rds_on, is there any pros/cons to increase...
  3. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    The resistor used can handle 50W of power.
  4. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    I can connect the gate to the 24V supply too. How much voltage should I inject to the gate?
  5. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi Indicator LED is constantly lit up.
  6. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    One thing I noticed was the decreasing of VDS from ~0.2V to 0V. The MOSFET should be able to handle 0.6A with ease in room temperature
  7. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi I reconfigured the circuit to the attached. I am still seeing the current drawn slowly dropping from 0.6A
  8. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi I am trying to use a MOSFET as a switch and a resistor load is used to simulate the actual device I am controlling. A on/off switch is used to operate the load. Closing the on/off switch will operate the load and vice versa. Hope this gives a clearer picture. Also I re-attach the schematics...
  9. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    The branch where the LED resides should be drawing 5mA, the branch the load is connected should draw 0.6A if the MOSFET is operating properly as a switch
  10. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi I have attached the circuit schematics. Thanks - - - Updated - - - Here is the schematics
  11. I

    [SOLVED] Using N-Channel MOSFET as switch to drive a resistor load

    Hi I m trying to drive a resistor (dummy) load rated 24V, 0.6A using a Infineon BSP295 N-MOSFET (Attached). A power supply is used to provide power to the circuit. A 3.3V regulator rated at 0.3A is connected to the switch then to a voltage divider before connecting to the gate. When the switch...
  12. I

    FIPS 140-2 Validation

    Hi Any folks came across this FIPS 140-2 Validation https://en.wikipedia.org/wiki/FIPS_140-2 for medical devices? What are the tests that are performed and which level applies to medical devices?
  13. I

    WiFi+Bluetooth Combo

    Hi I m looking for WiFi b/g/n (should suffice) + Bluetooth 4.0 dual mode combo solutions. Ideally with stacks embedded in solution and available in USB dongle form factor. However availability in USB form factor maybe rare, so any recommendation of solutions with stacks embedded will be...
  14. I

    [Moved] Learning Labview Programming

    Hi Any good labview tutorial or websites to learn the software?
  15. I

    NFC Test Cases and Testing Setup

    I see there is NFC A, B, F for the commuciation methods which is tested in the NFC forum specifications. And there is NFC tag types 1 to 4 with different data rates. How does the NFC A, B and F communciation relates to the NFC tag type? Is it that each tag type is tied to either NFC A, B or F...
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