Blog Archives

Low and High pass filter designer for implementation in VHDL

This post is about digital low and high pass FIR filter design in VHDL. Implementing high/low pass filter in the digital domain has a lot of benefits compared to implementations in the analog domain. The VHDL code for an implementation

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Design of a FPGA PCB including USB2.0 interface and two 80 MHz ADCs

This is my most advanced homemade PCB design until now. The PCB contains a EP3C5E144C8N Cyclone III FPGA from ALTERA, two 8 bit ADCs AD9057 from Analog Devices @ 80 MHz, a FTDI USB2.0 controller and many other things. The

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Raspberry Pi as an Oscilloscope @ 10 MSPS

Finally today my article about making the Raspberry Pi to an oscilloscope was published in “The MagPi” issue 24 page 4-9 http://www.themagpi.com/issue/issue-24/ The article describes a Linux kernel module needed for the readout and gives a starting example how to

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