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Using other receiver front ends with a tayloe mixer #76

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RecepAGulec opened this issue Sep 16, 2024 · 1 comment
Open

Using other receiver front ends with a tayloe mixer #76

RecepAGulec opened this issue Sep 16, 2024 · 1 comment

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@RecepAGulec
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Can I and Q outputs of any receiver frontend using a Tayloe mixer be applied to the RSP pico for which you have prepared the software? For example, If the LO_I and LO_Q signals are applied directly to the FST3253, can the I and Q signals produced by the receiver module produced by QRP-Labs be applied to the PICO? (Removing the 74ACT74 integrated circuit)
( https://www.qrp-labs.com/receiver.html )

@dawsonjon
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Yes, that's exactly how I built the first prototype! You can just about see it in this video. You just need to bias the I and Q signals so that they sit in the centre of the ADC supply rail (about 1.5v).

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