BeagleBone Black GPIO Performance (Part I)
BeagleBone Black GPIO Performance: PRU -> 1 memory mapped GPIO This test was intended to estimate the maximum performance of the GPIO, that is not direct wired to the PRU, using the PRU. The first...
View ArticleBeagleBone Black GPIO Performance (Part II)
BeagleBone Black GPIO Performance: PRU -> 2 memory mapped different GPIOs In this test we change two different GPIO-banks (0 and 2) from the PRU in order to estimate the maximum performance and...
View ArticleBeagleBone Black GPIO Performance (Part III)
Direct PRU -> R30 In this test we use the direct register R30 in order to estimate the performance. TIME/DIV 0,02 µs, GPIO performance ~65 MHz Source Code TOP: SET r30.t3 CLR r30.t3 jmp TOP TIME/DIV...
View ArticleBeagleBone Black Fast GPIOs
BeagleBone Black Fast GPIOs PRU0 Register GPIO r31_0 P9_31 r31_1 P9_29 r31_2 P9_30 r31_3 P9_28 r31_4 P9_42B r31_5 P9_27 r31_6 P9_41B r31_7 P9_25 r31_14 P8_16 r31_15 P8_15 r31_16 P9_24 or P9_41A PRU1...
View Article16-bit Coherent Receiver
16-bit coherent receiver (Architecture Proposal) This is just an idea for further discussion. Please see the performance tests in the previous posts. Tuner with a differential output (e.g. R820T2...
View ArticleFuture Products
Acknowledgment Recently, we got many requests and questions about our 8-bit coherent receivers. The implementation would not have been possible if we did not have a possibility to use the knowledgebase...
View ArticleDrone Detection Systems
Introduction Addressable market of over US$12 billion. Over 300,000 potential customer facilities worldwide. It is illegal to signal jam or to shoot down drones in most countries. Danger is Real...
View ArticleSimple 2-channel coherent FM Receiver
Simple 2-channel coherent FM Receiver Piotr Krysik has developed a GNU Radio block "Multi-RTL". In this post we provide a very basic example how to use this block for the FM-Radio improvement. Please...
View ArticleHF-Card
HF-Card We updated today the page about the band extension cards adding more information about the HF-Card. We plan to begin the mass production of this card in Q1 2017. If you have extra wishes or...
View ArticleHow to make Spotify profitable
Introduction Spotify Technology S.A. (/ˈspɒtɪfaɪ/) is a music streaming service developed by Swedish company Spotify Technology, which is headquartered in Stockholm, Sweden [Wikipedia]. Spotify...
View Article