A digital very low frequency function generator (for temperature control applic.)
R. Milne, Peter Maas · Journal of Physics E Scientific Instruments · 1975
The generation of very low frequency signals (especially those involving substantial power) is best approached using a combination of digital and analogue techniques. The design of a particularly simple digital function generator based on a simple paper tape reader is described. Its application is illustrated by a control for a 255 W environmental temperature wave generator.