For optimizing the yield of atomized-off material on a magnetron atomization source, a process space, on the source side, is predominantly walled by the atomization surface of the target body. The protection circuit is configured to protect the insulated-gate field effect transistor from destruction against a pulse having a pulse width of 1 ns or less applied to the card terminal. The invention also provides processes suitable for the production of such edible compositions, wherein the processes comprise the step of dry mixing amorphous trehalose particles in an amount of at least 10% based on the dry weight of the composition with one or more other edible ingredients to form a dry mixture. The signal gateway is configured to block calls to malfunctioning media servers. Also disclosed is a method for making a biopsy device, including coupling a tip protector to a sample size control assembly.