Used White Instruments
White Instruments, Inc. was founded in 1953 by Gifford White to specialize in the design and manufacture of precision filters and networks. The initial product line included twin-T notch networks that became standard production components for many manufacturers such as Westinghouse, General Electric and Beckman Instruments. Operational amplifiers were quickly added to make White Instruments one of the pioneer manufacturers of active filters for research and industrial use. By including L-C wave ...