Circuits & Schematics: DDS

1. DDS Function Generator
   Circuits Audio Oscillators
   .. the waveform data in digital processing and the data is converted to analog signal with a DAC. This is the method called DDS. Because it generates the waveform with a digital circuit, it has very good stability, accuracy and reproducibility ...
   02-07-2009

2. AVR DDS signal generator V2.0. Part 1. Schematic
   Circuits Oscillators Measurement Microcontrollers Usage
   .. second and improved AVR DDS signal generator is here. First AVR DDS V1.0 generator was only an attempt of running DDS algorithm without any ...
   15-11-2010

3. AVR DDS signal generator V2.0 Part 2. Firmware
   Circuits Oscillators Microcontrollers Usage
   .. 1. Schematic AVR DDS 2.0 Firmware As I have mentioned DDS function is a modified Jesper’s DDS algorithm. Main modification is ...
   20-11-2010
4. DDS Function Generator
   Circuits Oscillators Microcontrollers Usage
   .. is a new implementation of the AVR DDS signal generator v2.0, already published in scienceprog.com. It is obvious that full credit for the original ...
   20-11-2010
5. Turn DDS Chip Into Low-Frequency Arbitrary Signal Generator
   Circuits Measurement AD9833
   .. hardware, improving it a bit to get the arbitrary output. The original generator had an AD9833 direct digital synthesis (DDS) IC at its core, under the control of a PIC24FJ16 microcontroller. To get an arbitrary signal out of the DDS, we ...
   06-04-2011
6. DSS Function Generator on AD9833
   Circuits Oscillators Microcontrollers Usage AD9833
   .. project didn’t look complicated but it was. The MCU part is really simple: just some code for the Display, Keypad and DDS Communication. A DDS AD9833 from Analog Devices is a chip that is driven by a hi-frequency oscillator. I used a 50 ...
   23-04-2012
7. Modeling of analog part for DDS3 signal generator. Part 1 - Zeroing Offset Voltage, Optional Filter Stage
   Circuits Oscillators
   .. voltage close enough to 0V. Optional filter stage In the next stage of analog part we are going to add a filter. Since DDS signal generator is capable of outputting various types of signals we don’t want it to be hardwired. For ...
   28-06-2012
8. Modeling of analog part for DDS3 signal generator. Part 2 - Signal Amplitude Gain Control, Signal Offset Regulation, Putting it All Together
   Circuits Oscillators
   Signal amplitude gain control After we have adjusted signal offset voltage filtered it (or not) the next part is to adjust amplitude. We need to adjust signal amplitude from 0 to 12V. For this purpose we are gonna use inverting amplifier with ...
   09-07-2012
9. AD9833-based USB Function Generator
   Circuits Oscillators Measurement Microcontrollers Usage
   .. so I haven't bought one. I thought this might be a good opportunity to try and make one myself. I found a pretty common DDS (direct digital synthesis) chip, called AD9833 . Then just strap a USB-enabled AVR micro there and maybe some ...
   15-10-2012
10. Circuit Generates High-Frequency Sine/Cosine Waves From Square-Wave Input
    Circuits Oscillators Digital Mixed Signal Integration MSHFS6
    .. Ambrose, MSI Electronic Design Although quite a few direct digital synthesis (DDS) ICs can generate high-frequency sine waves, their complexity excludes them from many designs. However, designers ...
    09-10-2014

Sort by: relevance / date