Crystal Checks?

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dgmaley
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Joined: Tue Mar 27, 2018 3:45 am

Crystal Checks?

Post by dgmaley »

Good afternoon from Iowa, USA.
Was wondering, on the original Openspot, if there is a way I can check operating frequencies of the DSP and RF chip crystals?
I know that most DMR radios have AFC's but one of my radios starts off with distorted audio then drifts into the clear. Not sure who is at fault yet.
I have an old microwave counter who's 10MHz ovenized reference is easily checked against WWV.
Thank you.
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HA2NON
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Re: Crystal Checks?

Post by HA2NON »

The original openSPOT has a temperature compensated oscillator which keeps the frequency precision within 2.5 ppm.
Norbert Varga, HA2NON
SharkRF Team
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