Module DDS frequency generator AD9850 A401

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This generator module is made on the basis of a microcircuitAD9850firmsAnalog Deviceswhich is a completeDDS (Direct Digital Synthesis)frequency synthesizer with built-in comparator.

Such synthesizers are unique in their accuracy, practically not subject to temperature drift and aging. Due to its high technical characteristics, DDS synthesizers have recently replaced conventional analog frequency synthesizers. Their main advantage isvery high frequency and phase resolutionwhich are digitally controlled.

You can control the generator both throughconsistent(serial) so and throughparallel interfaces... The digital interface makes it easy to implement microcontroller control.

The AD9850 includes a fast comparator thatsinusoidalDAC output (after external filtering) can be converted torectangularlow-jitter waveform, making it easy to use as a clock driver. Using the potentiometer on the module, you can change the amplitude and hysteresis of these signals.

Main characteristics:

• Generator type: high speed DDS
• Supply voltage: 3.3-5V
• Supported frequencies: 0-40 MHz
• DAC SFDR:> 50dB (at 40MHz)
• Power consumption: 380 mW @ 125 MHz (5V), 155 mW @ 100 MHz (3.3V)
• Interfaces: serial and parallel
• Clock frequency: 125 MHz
• Phase modulation capability
• High speed comparator
• Operating temperature range: –40°C to+85°C
• Dimensions: 45x26x16 mm