From:  http://home.earthlink.net/~christrask/syncdet.html

Synchronous Detector References
Updated 27 February 2003

   1. Correspondence, "The Synchrodyne" Electronic Engineering, July 1947, pages 238 and xvi.

   2. Crosby, Murray G., "Exalted-Carrier Amplitude- and Phase-Modulation Reception," Proceedings of the IRE, Sep 1945, pp. 581-591.

   3. Herbert, J.W., "A Homodyne Receiver," Wireless World, Sep 1973, pp. 416-419.

   4. Hershberger, Dave, "Build A Synchronous Detector for AM Radio," Popular Electronics, April 1982, pp. 61-71.

   5. Hood, J.L. Linsley, "Synchrodyne A.M. Receiver," Wireless World, Jan 1986, pp. 51-53, Feb 1986, pp. 53-56, Mar 1986, pp. 58-61.

   6. Jones, Howard E., "Dual Output Synchronous Detector Utilizing Transistorized Differential Amplifiers," US Patent #3,241,078, Mar 15, 1966.

   7. Kreutzer, Von Martin, "Ein Synchroner Homodynemphanger fur FM mit Verbesserter Empfindlichkeit und Selektivitat," Frequenz, Vol. 42, No. 5, May 1988, pp. 147-152.

   8. Macario, R.C.V., "How Important Is Detection?," Wireless World, Apr 1963, pp. 52-57.

   9. Nauta, H.C. and E.H. Nordholt, "A Novel High-Dynamic-Range PLL System for Synchronous Detection in AM Receivers," IEEE Transactions on Consumer Electronics, Vol. CE-31, No. 3, Aug 1985, pp. 447-455.

  10. Pik, J.P., "High Fidelity (Synychrodyne) AM Broadcast Tuner," Proceedings of the IREE Australia, Sep 1975, pp. 300-309.

  11. Tucker, D.G., "The Design of a Synchrodyne Receiver, Part I - Design Principles," Electronic Engineering, August 1947, pp. 241-245.

  12. Tucker, D.G., "The Design of a Synchrodyne Receiver, Part II - Some Suitable Designs," Electronic Engineering, Sep 1947 pp. 276-77.

  13. Tucker, D.G., "The History of the Homodyne and Synchrodyne," Journal of the British Institution of Radio Engineers, Apr 1954, pp. 143-154.

  14. Tucker, D.G., "The Synchrodyne, A New Type of Radio Receiver for AM Signals," Electronic Engineering, March 1947, pages 75-76.

  15. Tucker, D.G. and J. Garlick, "The Synchrodyne: Refinements and Extensions" Electronic Engineering, Feb 1948, pages 49-54.

  16. Tucker, D.G. and R.A. Seymour, "The Synchrodyne As a Precision Demodulator" The Wireless Engineer, Aug/Sep 1950, pp. 227-237.

  17. Vermasvuori, Jukka, "A Synchronous Detector for AM Transmissions," QST, July 1993, pp. 28-33.
