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Operating two transformers in parallel

spanika kamuni
Intellectual 370 points

hello,

I want to operate 2 transformers in parallel. For one I want to add a low pass filter with freq range 0-1M and for the other a high pass filter whose freq range is 1M to 250M.7633.Transformer.TSC Here i have attached my Basic idea. I really do not know how far this schematic is right. Someone please guide me to a proper schematic. and more over I do not want to place an idea transformer instead I want to place a transformer whose L1 = 75 ohms and L2 = 1850 ohms. if i choose the Option of coupled inductors in Tina I an not understaning my Output. someone please help me.

  • 0
    TI__Genius 12631 points
    Spanika,
    I am not sure what will happen when you short out 2 transformers together. I don't think that is recommended. You may want to contact a transformer manufacturer for this.
  • 0 in reply to Samir Cherian
    Intellectual 370 points

    Hello Samir,

    I just want to know how the schematic would look like if I want to arrange 2 transformers in parallel.

    one transformer connected to a low pass filter and other to a high pass filter.

  • 0 in reply to spanika kamuni
    TI__Genius 13935 points
    Hi Spanika,

    That is not the proper way to use transformers.

    You need to contact your transformer vendor. What you are looking for is a power combiner, not a transformer. These products are available, but TI does not make them.

    Another option is to use another op amp and sum your two outputs into the inverting input. I can draw a schematic, but I have meetings all this week. If you can wait until next week I can send an alternative.

    Otherwise you may want to contact MiniCircuits. They make hybrid power combiners.

    Regards,
    Loren