An n-bit analog processing circuit constructed with network swappers has n stages and an input port for inputting an analog signal to be processed. Each of the n stages includes first and second reference input ports, at least one swappable network having first and second terminals, and a switching element...http://www.google.fr/patents/US5404143?utm_source=gb-gplus-shareBrevet US5404143 - Network swappers and circuits constructed from same
Network swappers and circuits constructed from same
