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  2. Network synthesis - Wikipedia

    en.wikipedia.org/wiki/Network_synthesis

    Another application is the design of impedance matching networks. Impedance matching at a single frequency requires only a trivial network—usually one component. Impedance matching over a wide band, however, requires a more complex network, even in the case that the source and load resistances do not vary with frequency.

  3. Impedance matching - Wikipedia

    en.wikipedia.org/wiki/Impedance_matching

    Practical impedance-matching devices will generally provide best results over a specified frequency band. The concept of impedance matching is widespread in electrical engineering, but is relevant in other applications in which a form of energy, not necessarily electrical, is transferred between a source and a load, such as in acoustics or optics.

  4. Composite image filter - Wikipedia

    en.wikipedia.org/wiki/Composite_image_filter

    An advantage of using mm ′-types for impedance matching is that these type of end sections will have a fast transition anyway (much more so than m =0.6, m-type) because mm ′ =0.3 for impedance matching. So the need for sections in the body of the filter to do this may be dispensed with.

  5. Load pull - Wikipedia

    en.wikipedia.org/wiki/Load_pull

    Load-pull is the colloquial term applied to the process of systematically varying the impedance presented to a device under test (DUT), most often a transistor, to assess its performance and the associated conditions to deliver that performance in a network. [1]

  6. Equivalent impedance transforms - Wikipedia

    en.wikipedia.org/wiki/Equivalent_impedance...

    Equivalent unbalanced and balanced networks. The impedance of the series elements in the balanced version is half the corresponding impedance of the unbalanced version. Fig. 3. To be balanced, a network must have the same impedance in each "leg" of the circuit. A 3-terminal network can also be used as a 2-port.

  7. Bartlett's bisection theorem - Wikipedia

    en.wikipedia.org/wiki/Bartlett's_bisection_theorem

    One half is impedance-scaled to the input impedance and the other is scaled to the output impedance. The response shape of the filter remains the same. This does not amount to an impedance matching network, the impedances looking in to the network ports bear no relationship to the termination impedances. This means that a network designed by ...

  8. Aperture (antenna) - Wikipedia

    en.wikipedia.org/wiki/Aperture_(antenna)

    In principle, any antenna impedance (that isn't totally reactive) can be impedance-matched to the resistor R by inserting a suitable (lossless) matching network. Since that network is lossless , the powers P A and P R will still flow in opposite directions, even though the voltage and currents seen at the antenna and resistor's terminals will ...

  9. T pad - Wikipedia

    en.wikipedia.org/wiki/T_pad

    An attenuator is a form of a two-port network with a generator connected to one port and a load connected to the other. In all of the circuits given below it is assumed that the generator and load impedances are purely resistive (though not necessarily equal) and that the attenuator circuit is required to perfectly match to these.

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