- 70 MHz low-pass filter for improved waveform quality and signal-to-noise ratio, delivering cleaner sine and square signals. - Amplitude adjustment via an accessible pin that drives the DAC reference, allowing easy matching to specific application requirements. - Flexible rectangular wave operation: adjust duty cycle by changing the reference input voltage of the comparator with a variable resistor. - Stable, precise oscillators: AD9850 module with a 125 MHz active oscillator; AD9851 module with a 30 MHz active oscillator for reliable frequency generation. - AD9850/AD9851 specifications: - Frequency range: AD9850 0–40 MHz - Outputs: 2 sine waves and 2 square waves - Harmonic distortion: can increase above 20–30 MHz - Square wave frequency: 0–1 MHz - Data input options: parallel or serial - Size: 4.5 x 2.6 cm - Practical use scenarios: - Benchtop signal generator for testing filters, amplifiers, and ADC/DAC circuits; generate stable sine and square waves with adjustable amplitude. - Reference source for microcontroller or FPGA projects requiring precise waveforms and adjustable duty cycle. - Educational lab tool to demonstrate waveform generation, duty-cycle control, and harmonic content across frequencies.