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“The way to create Low Noise Oscillatror Sinus Wave up 500 MHz, CMOS up 150MHZ, HSTL 1GHz based on DDS from Analog Devices - AD9912 Why did we choose to build a Direct Digital Synthesizer (DDS) based on the AD9912 by …

“In this Tutorial we will learn how to make a Frequency Signal Generator using a AD9850 module and Arduino. Watch the Video! Note: I managed to get frequency up to +50MHz but the signal quality gets worse with the higher …

“In this Instructable I’ll show you how I built a low-cost antenna analyser which can measure an antenna and display its VSWR over any or all of the HF frequency bands. It will find the minimum VSWR and corresponding …

“Ham radio is the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, etc. Developing a ham radio project may requires using an antenna analyser, a device that is used for measuring input frequency …

“The circuit implements a 6-Bit Digital to Analog Converter (DAC) using a 8-4-2-1 Resistor combination. Arduino Uno Output pins 13 to 9 form the 6-Bits PB5 to PB0.”