| Some people go to great lengths to generate numbers that are as random as possible. In issue 3 of 2017, we published a design for a Truly Ra...
| Some people go to great lengths to generate numbers that are as random as possible. In issue 3 of 2017, we published a design for a Truly Ra...
| Uses Zener diodes to generate avalanche noise signal, then differential amplifier (and a few analog filters) to eliminate deterministic effe...
| The design of this amplifier is based on the assumption that, since the collector current of a transistor is, roughly, the same as the e...
| This simple non-retriggerable pulse generator ('one-shot') is designed around an inexpenstve digital watch crystal and two commonly avai...
| The diagram shows how the inexpensive and widely available 4066 quad bilateral analogue switch can be used to build a pulse generator wi...