Patent ID: 7880477

Claim:
An integrated circuit arrangement having: a signal input and a signal output; a signal processing unit which is connected to the signal input and to the signal output, wherein the signal processing unit has a mixer, and at least one of: a filter or a demodulator; a noise source for generating a noise signal; a noise line which connects the noise source to the signal input wherein the noise source has a control input, and a first interruption unit which, in a first state, allows the signal flow of the noise signal to the signal input and, in a second state, interrupts the signal flow of the noise signal to the signal input, wherein the first interruption unit has a switching element, and at least one of: a fuse or an antifuse, and wherein the transition between the first and second states is implemented by an electrical current or by irradiation with a laser; wherein the components of the integrated circuit arrangement are integrated on a single integrated circuit chip.