Hackaday

Taking The Pulse (Width Modulation) Of An FPGA

Use the FPGA as a CPU which allows you to add predefined I/O blocks Build custom peripherals for an external CPU from predefined I/O blocks Build custom logic circuitry from scratch Projects that ...
EDN

Swapping bits improves performance of FPGA-PWM counter

When you need some analog outputs and you have an FPGA in your system, you probably choose to use a PWM module and a simple lowpass filter such as those in Figure 1. The output of the FPGA is ...
Design-Reuse

Alizem Releases its New 3-phase PWM IP Core for Intel MAX 10 FPGAs

LÉVIS (CANADA) -- September 25th 2017 - Alizem today announced the release of its new 3-phase PWM IP Core optimized for Intel® MAX® 10 FPGAs and designed to be used in 3-phase inverter power ...
EDN

Envelope Tracking Modulator with quad power IC and FPGA control

Envelope tracking technology is a well-known method of improving the efficiency of RF amplifiers operating with rapidly varying signal amplitude. The voltage source in an envelope tracking system is ...
Hackaday

Improved FPGA Synth

A week or so ago we featured an FPGA MIDI interface. Since then the builder has gone crazy with his FPGA and revised his code to include polyphony and PWM output, and posted a polyphony demo. In our ...
Electronic Design

Measure Spread-Spectrum Clock’s Effects On Switching Supply EMI

Fig 1. In a typical PWM controller in which the active devices are driven by a simple square wave, a Fourier representation of the clock’s frequency spectrum consists of the fundamental switching ...