Difference between revisions of "IQ Radios"

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* Direct Conversion
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[[file:QRP-Labs_IQ_Radio-720px.jpg]]
* Quadrature  
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* Tayloe Detectors
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== Design ==
* Receive Bandpass Filters
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** 5 band switch - QRP Labs
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* Direct Conversion Receiver
*** 10/15/20/40/80M
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* Quadrature Methid
* [[VFO003|Clocks Generator]]
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* Tayloe Detector
* [[AudioAmp380]] - Audio Amplifier
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== Builds ==
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* [[QRP Labs High Performance SDR Receiver]]
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* [http://qrp-labs.com/images/ultimatelpf/assembly_ulpf.pdf 5 band switch] - QRP Labs
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** [http://qrp-labs.com/bpfkit.html 10/15/20/40/80M QRP Labs Band Pass Filter Kits]
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* [[6 Channel Relay Driver Card]]
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* [[VFO-003|VFO-003 Clocks Generator]]
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* [[AudioAmp386]] - Audio Amplifier
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* [[SMA-HDRS]] - Use female SMA
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* [[TinyGrid85]] - 5V/12V power distribution
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=== QCX+ Radio ===
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* [[QCX+ Radio]] - QRP Labs
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== Videos ==
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<video type="youtube">JuuKF1RFvBM</video>
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== References ==
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* [http://www.arrl.org/files/file/Technology/tis/info/pdf/030304qex020.pdf A Software Defined Radio for the Masses, Part 4]
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* [https://wparc.us/presentations/SDR-2-19-2013/Tayloe_mixer_x3a.pdf Ultra Low Noise, High Performance, Zero IF Quadrature Product Detector and Preamplifier] - By Dan Tayloe
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* [https://antrak.org.tr/blog/projeler/usdx-an-arduino-based-sdr-all-mode-hf-transceiver-pcb-iteration-v1-02/ uSDX]
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* [https://github.com/threeme3/QCX-SSB QCX-SSB]

Latest revision as of 15:05, 28 November 2021