Joakim Soya (@OZ1DUG)

Embedded programmer Radio amateur

Quick Guess - When the Pulse starts or stops you have a DC offset in I or Q signal.Joakim

Re: Looking for an exotic channel coder

Reply posted 2 years ago (04/20/2022)
Can you accept that some values are deemed invalid, or do you need all of them ?Is there any profile in the type of noise you have ?Do the channel work differently...

Re: SPI Signal

Reply posted 4 years ago (10/13/2020)
It sounds like some kind of parrallel bus - A way forward is to find som datasheet on the DSP "processor". Can be that the "detector" is memory mapped into the DSP. Have...

Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/21/2019)
What is your sample rate ?What is your ADC's ENOB ?What is the "signals of interests" level in bits of your ADC ?How do you extract the phase difference ?

Re: USB to I2S adapter for audio transceiver

Reply posted 5 years ago (01/31/2019)
Is 3.072mHz 3.072 Mega Herz or3.072 mili Herz ?

Re: Modulator output power level

Reply posted 6 years ago (12/04/2018)

Re: I/Q sampling basics

Reply posted 6 years ago (04/23/2018)
Dont you need to have some kind of 90 degree delay (hilbert transformer) in one of I or Q - and then use inphase last mixer. ?Joakim

Re: Low power dsp chip

Reply posted 6 years ago (04/13/2018)
Is the DSP going to be running all time or can it be sleeping for peroids ?

Re: Clock drift and compensation

Reply posted 6 years ago (01/28/2018)
Tune the tunable clock by compring the input position in to the buffer(s) to the takeout posision in buffers (calculate freespace) - idealy the distance shall be...

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