HP 8566B Spectrum Analyzer “YTO Unlock” Repair
While I was making a video on how to use HP 8671A as the frequency reference for an improved version […]
Extending DAC Resolution Using Digital Potentiometer
One way to extend the resolution of a digital-to-analog converter (DAC) is by employing a sigma-delta converter in software. The […]
An Isolated DAC Using PWM Output
Arduino‘s (ATmega328P) PWM outputs via analogWrite can be conveniently turned into analog voltage levels through the use of simple RC […]
Driving 8-Bit Parallel DAC Using STM32F4-Discovery GPIO
I finally got some time to play with the STM32F4-Discovery board I received last year. As for any microcontrollers, learning […]
Code For MCP4821/MCP4822
Microchip‘s MCP4821/MCP4822 is a low budget 12-bit digital-to-analog converter. MCP4821 is the single channel version whereas MCP4822 has two channels […]
Arbitrary Waveform Generation with Arduino
Arbitrary waveform generators come in handy when troubleshooting digital and analog circuits. Most commercial arbitrary waveform generators are very expensive […]