Signal Hound’s new VSG25A vector signal generator is an amazing instrument packaged into a pocket-sized form factor. There are several similar RF generators using this basic digital synthesizer ...

[Armeen] — a summer intern at Opal Kelly — did a very interesting open source FPGA-based signal generator using a Xilinx FPGA, and a SYZYGY-compliant digital to analog converter.

How to build an arbitrary signal generator using an ADI Direct Digital Synthesis chip and a PIC uC.