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    Linear RF Power Amplifier (PA) Design Theory and Principles online course – RAHRF562

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      Linear RF Power Amplifier (PA) Design Theory and Principles online course – RAHRF562

      Linear RF Power Amplifier (PA) Design Theory and Principles online course – RAHRF562

      $400.00 $300.00
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    Transmitters & Transceivers – RAHRF409

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    • Transmitters & Transceivers - RAHRF409
    Showing 1-10 of 49 results
    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Time Division Duplexing VS Frequency Division Duplexing (FDD VS TDD)

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    January 13, 2023
    5

    TDD Merits Transmitters are turned off during reception, so the two paths don’t interfere. TDD allows direct peer-to-peer communication between two transceivers hence no need for the system between them. Only one band is allocated so we don’t need to …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    What is Frequency Division Duplexing (FDD)?

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    January 9, 2023
    2

    Frequency Division Duplexing In Frequency Division Duplexing is a full-duplex model of transceiver where different bands of frequencies are utilized for Tx and Rx and the data is transmitted and received at the same time. Bandpass filters are used to …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    What is Time Division Duplexing (TDD)?

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    January 6, 2023
    1

    Time Division Duplexing (TDD) In the previous blog, we discussed about the basic structure of the transceiver and the duplexer block. Duplexer acts as a decision block like a switch between the transmitter and receiver part. There are different types …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Introduction to Transceivers

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    January 3, 2023
    1

    What is a Transceiver? A transceiver is a combination of transmitter and receiver, hence the name transceiver. The transmitter and receiver share the circuitry. It can both transmit and receive radio waves to communicate with another device. Transceivers are widely …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Drawbacks of Heterodyne Transmitter – Mixing Spurs

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    December 16, 2022
    7

    In the previous blog, we discussed about the first drawback of the Heterodyne transmitter which is DC offset. The second drawback is Mixing Spurs, which will be discussed in this blog. What is Mixing Spurs? In simple language, if there …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Introduction to Heterodyne Transmitter

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    December 8, 2022
    65

    Heterodyne Transmitter Heterodyne Transmitter is a two-step upconversion, just like heterodyne receiver which is a two-step downconversion. Read about the heterodyne receiver. This structure involves two steps of mixing and there is no oscillator pulling problem, however, just like other …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Solving Oscillator Pulling in Transmitters

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    November 30, 2022
    23

    In the previous blog, we discussed about what is Oscillator Pulling. Oscillator Pulling can be explained from another point of view. If a sinusoid at the frequency of w1=wLO+∆w is injected into the oscillator operating at the frequency of wLO …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    What is Oscillator Pulling?

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    November 28, 2022
    9

    What is oscillator pulling and how is it generated? One of the problems faced while designing a transmitter is Oscillator Pulling or sometimes called Injection Pulling. The output power of a power amplifier is very high which we already know, …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    Transmitter Linearity

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    November 24, 2022
    7

    What is linearity? Linearity is the property of a mathematical relationship or function, which can be graphically represented as a straight line. Linearity can be graphically represented as a straight line. We always expect to have this kind of outputs …

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    Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh

    What is Carrier Leakage?

    • Posted by Sanchita Sarkar, Ata Sarrafinazhad, Ahsan Ghoncheh
    • Categories Blog, RF Topics, Transmitters & Transceivers - RAHRF409
    • Comments 0 comment
    November 22, 2022
    3

    This blog talks about the carrier leakage within the transmitter. The analog base circuitry producing the quadrature signals in a transmitter exhibits DC offset. What is DC offset? DC offset is coming from local oscillator leakage. The local oscillator leakage …

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