Multi Waveform Output DDS Signal Generator With AD9850 Chip For High Frequency Applications Lab Bench

Multi Waveform Output DDS Signal Generator With AD9850 Chip For High Frequency Applications Lab Bench Description

Multi Waveform Output DDS Signal Generator With AD9850 Chip For High Frequency Applications Lab Bench Module Description
DDS Signal Generator Module Development Board is a compact development board that can output 2 sine waves and 2 square waves. Frequency range is 0-40MHz for AD9850 and 0-70MHz for ADHowever; however harmonics increase and waveform cleanliness decreases after 20-30MHz. Square wave output is available up to 1MHz.
Improved signal to noise ratio is achieved with a 70MHz low-pass filter, delivering a clearer waveform and better overall performance.
Adjustable amplitude is provided by a dedicated A pin for convenient output level control. The comparator reference input voltage is generated by a variable resistor, allowing different duty cycles of square waves.
Stable oscillator design: the AD9850 module uses a 125MHz active oscillator, while the AD9851 module uses a 30MHz active oscillator, ensuring steady and reliable operation.
Applications and use scenarios: - Lab bench experiments and RF circuit testing, including frequency sweeps and waveform characterization. - PLL/mixer/filter evaluation and ADC/DAC testing with DDS signals. - Microcontroller or FPGA projects requiring precise, controllable DDS waveforms for timing and signal generation.