28.8MHz TCXO with +-1ppm Stability
RF

28.8MHz TCXO with +-1ppm Stability

Craig document his process of building a Better RTL-SDR TCXO with +-1ppm stability over 0C-55C range. Its hard to beat the cost and versatility of the ubiquitous RTL-SDR dongles, but the temperature stability of their reference oscillators isn’t sufficient for some applications....

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Nanocounter: Frequency Counter with an Android Interface
Test/Measurements

Nanocounter: Frequency Counter with an Android Interface

Andy published his accurate and open source frequency counter that uses an Android phone as a display. It’s based on a high accuracy temperature compensated crystal oscillator (TCXO) fed into a phase locked loop (PLL) to create a high frequency reference clock. The reference clock...

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