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Monat: Mai 2022

How to connect an ADC3660 to an MCU (part II)

Posted onMai 28, 2022Mai 28, 20222 Comments

The following timing diagram (that I draw with Wavedrom, a fantastic tool for that purpose) shows in the upper part the output format of the ADC3660 as I understand it from the datasheet: The signal in the middle („NSS_TI“) shows the NSS signal as it Read More …

TagsADC3660, SDR, Software defined radio, STM32H7

How to connect an ADC3660 to an MCU (part I)

Posted onMai 28, 2022Mai 28, 2022Leave a comment

TI’s new family of SAR-ADCs with integrated DDCs could be a game changer for building SDRs for HAM radio operators. Why? Because these ADCs do not only contain an NCO and a complex digital IQ downmixer, they also integrate a decimation stage and an output Read More …

TagsADC3660, SDR, Software defined radio, STM32H7

SI5351A and frequency counting with the STM32H743

Posted onMai 1, 2022Leave a comment

I wanted to play around with the SI5351A clock generator, but for verifying the output frequencies of the SI5351 I thought it would be great to have a frequency counter at hand. Unfortunately I do not own a frequency counter, so I looked for some Read More …

TagsCounter, Frequency Counter, NUCLEO, NUCLEO-H743, SI5351, STM32H7, STM32H743, Timer

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