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  2. Insertion loss - Wikipedia

    en.wikipedia.org/wiki/Insertion_loss

    In telecommunications, insertion loss is the loss of signal power resulting from the insertion of a device in a transmission line or optical fiber and is usually expressed in decibels (dB). If the power transmitted to the load before insertion is P T and the power received by the load after insertion is P R , then the insertion loss in decibels ...

  3. Power dividers and directional couplers - Wikipedia

    en.wikipedia.org/wiki/Power_dividers_and...

    The insertion loss is not such a problem for an unequal split of power: for instance -40 dB at port 3 has an insertion loss less than 0.2 dB at port 2. Isolation can be improved at the expense of insertion loss at both output ports by replacing the output resistors with T pads. The isolation improvement is greater than the insertion loss added ...

  4. Return loss - Wikipedia

    en.wikipedia.org/wiki/Return_loss

    A match is good if the return loss is high. A high return loss is desirable and results in a lower insertion loss. From a certain perspective 'Return Loss' is a misnomer. The usual function of a transmission line is to convey power from a source to a load with minimal loss. If a transmission line is correctly matched to a load, the reflected ...

  5. Insertion gain - Wikipedia

    en.wikipedia.org/wiki/Insertion_gain

    In telecommunications, insertion gain is the gain resulting from the insertion of a device in a transmission line, expressed as the ratio of the signal power delivered to that part of the line following the device to the signal power delivered to that same part before insertion. Gains less than unity indicate insertion loss. Incident power is ...

  6. Dissipation factor - Wikipedia

    en.wikipedia.org/wiki/Dissipation_factor

    The loss tangent is defined by the angle between the capacitor's impedance vector and the negative reactive axis. If the capacitor is used in an AC circuit, the dissipation factor due to the non-ideal capacitor is expressed as the ratio of the resistive power loss in the ESR to the reactive power oscillating in the capacitor, or

  7. Insertion reaction - Wikipedia

    en.wikipedia.org/wiki/Insertion_reaction

    The Cativa process catalytic cycle, shown above, includes both insertion and de-insertion steps. The oxidative addition reaction of methyl iodide with ( 1 ) involves the formal insertion of the iridium(I) centre into the carbon-iodine bond, whereas step ( 3 ) to ( 4 ) is an example of migratory insertion of carbon monoxide into the iridium ...

  8. Talk:Insertion loss - Wikipedia

    en.wikipedia.org/wiki/Talk:Insertion_loss

    Phew, I thought we had could it really wrong, until I read "It is only correct in the special case that the input impedance of the device in question is perfectly matched to the source/generator such that there is no reflection looking into port 1."

  9. Rhetorical modes - Wikipedia

    en.wikipedia.org/wiki/Rhetorical_modes

    Expository writing is a type of writing where the purpose is to explain or inform the audience about a topic. [13] It is considered one of the four most common rhetorical modes. [14] The purpose of expository writing is to explain and analyze information by presenting an idea, relevant evidence, and appropriate discussion.