rfdivider

Create three-port Wilkinson power divider element for circuit object

Since R2023a

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    Description

    Use the new rfdivider object to create a three-port Wilkinson power divider element. You can add this object to your circuit object to create an RF circuit.

    Creation

    Syntax

    rfpd = rfdivider
    rfpd = rfdivider(Name=Value)

    Description

    rfpd = rfdivider creates a three-port Wilkinson power divider element with default property values.

    rfpd = rfdivider(Name=Value) sets Properties of the power divider element using one or more name-value arguments. For example, rfpd = rfdivider(Impedance=75) sets the impedance of the Wilkinson power divider element to 75 ohms. Properties not specified retain their default values.

    example

    Properties

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    Name of the Wilkinson power divider element, specified as a string scalar or character vector.

    Example: 'Divider_Wilk'

    Data Types: char | string

    Reference impedance of the Wilkinson power divider element, specified as a positive scalar.

    Example: 75

    Data Types: double

    This property is read-only.

    Number of input and output ports, returned as a positive scalar.

    Data Types: double

    This property is read-only.

    Terminals of the three-port Wilkinson power divider element, returned as a cell array of strings.

    Data Types: string

    Object Functions

    sparametersCalculate S-parameters for RF data, network, circuit, and matching network objects
    circuitCircuit object
    cloneCreate copy of existing circuit element or circuit object

    Examples

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    Open Live Script

    Create a default three-port Wilkinson power divider element.

    pd = rfdivider(Name='rfdivider1');

    Clone the three-port Wilkinson power divider element.

    pd2 = clone(pd);
pd2.Name='rfdivider2';

    Create an amplifier element of gain 12 dB.

    amp = amplifier(Name='amplifier1',Gain=12);

    Clone the amplifier element.

    amp2 = clone(amp);
amp2.Name = 'amplifier2';

    Create a circuit object.

    ckt = circuit;

    Add the divider named rfdivider1 to the circuit object.

    add(ckt,[1 2 3],pd);

    Add the amplifier named amplifer1 to the circuit object.

    add(ckt,[2 4],amp);

    Add the amplifier named amplifer2 to the circuit object.

    add(ckt,[3 5],amp2);

    Add the divider named rfdivider2 to the circuit object.

    add(ckt,[6 4 5],pd2);

    Use the setports function to set ports of the circuit object.

    setports(ckt,[1 0],[6 0],{'in','out'});

    Display the circuit object.

    disp(ckt)
      circuit: Circuit element

    ElementNames: {'rfdivider1'  'amplifier1'  'amplifier2'  'rfdivider2'}
        Elements: [1×4 rf.internal.circuit.Element]
           Nodes: [0 1 2 3 4 5 6]
            Name: 'unnamed'

    Plot the S-parameters of the circuit for frequencies between 0.51–11 GHz.

    freq = linspace(0.51e9,2e9,11);
sparam = sparameters(ckt,freq);
rfplot(sparam)

    Figure contains an axes object. The axes object with xlabel Frequency (GHz), ylabel Magnitude (dB) contains 4 objects of type line. These objects represent dB(S_{11}), dB(S_{21}), dB(S_{12}), dB(S_{22}).

    Version History

    Introduced in R2023a

    See Also