The new banknotes come in denominations from 1 to 200 Zimbabwe has introduced a new gold-backed currency called ZiG - the name stands for "Zimbabwe Gold". It is the latest attempt to stabilise an ...

The cell is based on 3rd order Butterworth low-pass filter (LPF) with cut-of frequency adjustment in a wide range. There are 2 modes for cut-off frequency programming: manual and automatically. The ...