There is so much information today. Much of it is good, but there is plenty that is not. As Christians, we are in the world but called to be separate which includes being able to critically analyze properly the vast information, recognize the politics and remain neutral while the world bat...
Thus, purely by way of example, a generator 10 of high frequency energy, of the order, for example, of 1000 cycles per second, feeds a saw-tooth shap- 2 ing circuit 12, which in turn feeds a pulse-shaping circuit 14. The output terminals of the sawtooth shaping circuit 12 may be ...