Integrated trace suspension interconnect for high-data-rate single-ended preamplifier for (G)MR elements

摘要: An interconnect circuit for a readout channel front-end disk drive is disclosed that includes forward line and return line. Both the have first end second end. The of both connectable to magnetoresistive head. single-ended preamplifier. arranged be disposed between suspension trace has predetermined width can same or different from width. When in drive, connected head, Similarly, characteristic impedance selected about equal an input resistance Accordingly, high-frequency roll-off transfer primarily determined by skin-effect loss each lines, does not exhibit ¼ wavelength effect notch.