Poradite kde koupit 5ks tohoto spinace, http://www.analog.com/en/switchesmultiplexers/analog-switches/adg1612/products/product.html nebo cim nahradit, pozadavky R v sepnutem stavu pod 1 Ohm, prosakovani ve vypnutem do 100pA, co nejmensi kapacita, spinani +- signalu do 2V P.B.