Model Fixed Point DSP Arithmetic in C: EDN-Design Ideas / PDF contains multiple circuits - scroll to find this circuit

RISC ?P implements fast FIR filter:  EDN-Design Ideas / PDF contains multiple circuits - scroll to find this circuit

Video emitter uses battery power: EDN - Design Ideas /  The block diagram in Figure 1 shows how to make a cable-free, direct-video system. The system allows users to walk from booth to booth at an exhibition to interview people and to display the interviews in real time on three screens at key locations. You can use the small and simple system each time you need to capture image and sound on the run.