The purpose of this procurement is to purchase one voltage pre-amplifier with an input noise level below 1.5 nV/sqrt(Hz), input impedence of 50 Ohms, variable gain 20/40 dB, and an operational frequency range up to 200 MHz. The supplier is expected to provide the amplifier complete with a power source and shipping. The scope of this agreement also includes the Department of Physics´ right to purchase similar goods from the Supplier under the same terms and conditions.