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A device or circuit that generates an AC signal at a certain frequency.

2 votes
1 answer
153 views

Conversion of Additive Noise to Phase Noise

RF Microelectronics by Razavi contains the following snippet in section 8.7.3 concerning the analysis of phase noise in oscillators: We write \$x(t)=A\cos(\omega_0t)+n(t)\$ where \$n(t)\$ denotes …
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1 vote
2 answers
347 views

Crystal for LoRa Transceiver

I am using an SX1272 and am having trouble locating viable distributors of any of the 32 MHz crystals recommended by Semtech, listed in the Crystal Oscillator Guidance documentation. …
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1 vote
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Conversion of Additive Noise to Phase Noise

In the following, \$S_n\$ denotes the voltage/current spectrum, as considered in the original question. Considering the spectrum around \$\omega=\omega_0\$, $$ S_n(\omega) = \frac{1-j}{2} S_{nI}(\ome …
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