Blog Archives

Frequency generator based on the LTC6946

A new project is online: A frequency generator from theoretically 0.37 GHz to 3.740 GHz output frequency. It is based on the LTC6946-1 from Linear Technology, an Ultralow Noise 0.37 GHz to 3.740 GHz Integer N Synthesizer with Integrated VCO.

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Variable Gain Amplifier

This project is a design of a low frequency Variable Gain Amplifier which is intended to be used for amplitude adjustment in order, to for example use the full dynamic range of an ADC. The project came up when experimenting

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PICkit2 programming with MPlabX – PIC16F690 UART ADC

A while ago I discovered that I own a PICkit2, which I had bought a while ago when I started to study microprocessors. With MPLabX Microchip has a IDE which runs under Linux, so I gave the kit a second

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Arduino Due clone based on the Atmel SAM3X8E, KiCAD design

This project came up to test PCB design with KiCAD. Some Atmel SAM3X8E microprocessors were available, the same as one finds on the Arduino Due, and I got tired on the limitations of the free version of Eagle. So I

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Arduino controlled Frequency Generator 1kHz – 68 MHz

This project is a description of how to build a signal generator with an output frequency from 1kHz to 68 MHz. The frequency generation is handled by a small Programmable Oscillator from Linear Technology the LTC6903. The control of the

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Playing with the AT91SAM7S64 32bit ARM processor

After having worked with Arduino and Raspberry Pi here comes a project of building a own breakout board with an AT91SAM7S64 microprocessor from ATMEL. The project started in order to test PCB production for QFP packaged microprocessors. Most of the

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PCB developement with simple tools

In the last months I was heavily playing with PCB (Printed Circuit Board) design, etching and things related to this. I wanted to see what is possible with simple tools and how good results can get. With just normal copy

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