1. Aprille, T.J., "Wideband Amplifier Design Using Major Multiloop Feedback Techniques," Bell System Technical Journal, Vol. 54, No. 7, Sep 1975, pp. 1253-1275.

2. Aprille, T.J., "Wide-Band Matched Amplifier Design Using Dual Loop Feedback and Two Common Emitter Transistor Stages," IEEE Transactions on Circuits and Systems, Vol. CAS-23, No. 7, Jul 1976, pp. 434-442.

3. Lefkowitz, H., "Transistor A-C Amplifier Uses Multiple Feedback," Electronics, 23 May 1958, pp. 84-85.

4. Maupin, J.T., "Transistor Amplifier with Constant Input Impedance," US Patent #3,100,877, 13 Aug 1963.

5. Meyer, R.G., R. Eschenbach, and R. Chin, "A Wide-Band Ultralinear Amplifier From 3 to 300 MHz," IEEE Journal of Solid-State Circuits, Vol. SC-9, No. 4, Aug 1974, pp. 167-175.

6. Seader, L.D. and J.E. Sterrett, "Unit Transistor Amplifier with Matched Input and Output Impedances," US Patent #3,493,882, 3 Feb 1970.

7. Ulrich, E., "Use Negative Feedback to Slash Wideband VSWR," Microwaves, Oct 1978, pp. 66-70.

           If you have any additional references on this
           subject, please Email them to christrask@earthlink.net
    _==_ / and they will be added to this resource list.
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