Series parallel LC tank circuit Resonant Frequency equation?

  1. Hi

    How would I calculate a series-parallel LC circuit for resonance? I added up all the μH and pF for the equation, would that be correct? The inductors are in parallel, and the capacitors in series.
     
  2. jcsd
  3. berkeman

    Staff: Mentor

    Welcome to the PF.

    Can you post a drawing of the circuit, along with whatever is driving it?

    Inductors in parallel and capacitors in series do not add linearly...
     
  4. vk6kro

    vk6kro 4,059
    Science Advisor

    You could look here:
    https://en.m.wikipedia.org/wiki/Series_and_parallel_circuits

    You will see that the total inductance of inductors in parallel is calculated by adding their reciprocals, and then taking the reciprocal of that, just like resistors.

    The capacitance of capacitors in series is calculated the same way
     


  5. Here is the circuit. 1 element is 2 inductors and 2 capacitors, they are connected together
     
    Last edited by a moderator: Sep 25, 2014
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