Balanced Amplifier References
Updated 6 December 2002

  1. -----, "Balanced Output Amplifiers of Highly Stable and Accurate Balance," Electronic Engineering, Jun 1946, pp. 189-190.
    
    
  2. Aitchison, R.E., "A New Circuit for Balancing the Characteristics of Pairs of Valves," Electronic Engineering, May 1955, pp. 224-226.
    
    
  3. Artzt, M., "Balanced Direct and Alternating Current Amplifiers," US Patent #2,310,342, 9 Feb 1943.
    
    
  4. Andrew, A.M., "Differential-Amplifier Design," The Wireless Engineer, Mar 1955, pp. 73-79.
    
    
  5. Basset, R., "Three Balun Designs for Push-Pull Amplifiers," RF Design, Jul 1980, pp. 47-52.
    
    
  6. Birt, D.R., "Self-Balancing Push-Pull Circuits," Wireless World, May 1960, pp. 223-227 (Part 1), Jun 1960, pp. 283-285 (Part 2).
    
    
  7. Bowers, D.F., "Voltage Controlled Amplifier with a Negative Resistance Circuit for Reducing Non-Linearity Distortion," US Patent #5,587,689, 24 Dec 1996.
    
    
  8. Chawla, Y.K., "Linear RF Power Amplifier," US Patent #5,477,188, 19 Dec 1995.
    
    
  9. Cowen, M.A., S.R. Siclari, J. Thompson, and S. Veneman, "Field Effect Transistor CAble Television Line Amplifier," US Patent #5,742,205, 21 Apr 1998.
    
    
  10. Davies, B.F., "The Differential Amplifier with a Useful Modification," Electronic Engineering, Sep 1952, pp. 404-407.
    
    
  11. Eckelmann, H.J., "Push-Pull Amplifiers," US Patent #3,434,067, 18 Mar 1969.
    
    
  12. Englebrecht, R.S. and K. Kurokawa, "A Wide-Band Low Noise L-Band Balanced Transistor Amplifier," Proceedings of the IEEE, Mar 1965, pp. 237-247.
    
    
  13. Ensink, J. and J. Verhagen, "Negative Feedback Transistor Amplifier," US Patent #2,835,748, 20 May 1958.
    
    
  14. Geddes, L.A., "Who Invented the Differential Amplifier?" IEEE Engineering in Medicine and Biology, May/Jun 1996, pp. 116-117.
    
    
  15. Graeme, J.G. and S.D. Millaway, "Feedback Control Reducing Signal Distortion Produced by Differential Amplifier Stage," US Patent #5,053,718, 1 Oct 1991.
    
    
  16. Ho, C.Y., "Transform Impedance with a Branch-Line Coupler," RF Design, May 1976, pp. 47-52.
    
    
  17. Horl, M., "Distortion Compensated Cross-Coupled Differential Amplifier Circuit," US Patent #4,458,210, 3 Jul 1984.
    
    
  18. Kakuta, Y., Y. Fukasawa, and Y. Taguchi, "Push-Pull Wideband Semiconductor Amplifier," US Patent #6,011,438, 4 Jan 2000.
    
    
  19. Kerr, A.R., "On the Noise Properties of Balanced Amplifiers," IEEE Microwave and Guided Wave Letters, Vol. 8, No. 11, Nov 1998, pp. 390-392.
    
    
  20. Klein, G. and J.J.Z. van Zelst, "Circuits for Difference Amplifiers, I," Philips Technical Review, Vol 23, 1961/1962, pp. 142-150.
    
    
  21. Kontorovich, V.I., "Design of the Input Circuits of Push-Pull Transistor Power Amplifiers for Single-Sideband Signals," Telecommunications and Radio Engineering, Vol. 33/34, No. 7, Jul 1979, pp. 59-60.
    
    
  22. Kurokawa, K., "Design Theory of Balanced Transistor Amplifiers," Bell System Technical Journal, Oct 1965, pp. 1675-1698.
    
    
  23. Leidich, A.J., "Transistor Amplifier," US Patent #3,946,325, 23 Mar 1976.
    
    
  24. Lyddiard, J.A., "Cathode-Coupled Amplifier," Wireless Engineer, Mar 1952, pp. 63-67.
    
    
  25. Marie, H., "Distortion-Compensated Differential Circuit," US Patent #5,138,276, 11 Aug 1992.
    
    
  26. Maschmann, M., W. Schardein, and B. Hosticka, "Amplifier Output Stage," US Patent #5,465,074, 7 Nov 1995.
    
    
  27. Middlebrook, R.D., "DIFFERENTIAL AMPLIFIERS," Wiley, 1964.
    
    
  28. Mieth, S.L., "Differential Amplifier Boasts Broadband Bebefits," Microwaves & RF, Mar 1985, pp. 143-146.
    
    
  29. Navidi, S., B.L. Trout, and F.C. Wernett, "Wideband Linear Darlington Cascode Amplifier," US Patent #4,706,038, 10 Nov 1987.
    
    
  30. Norris, J.L. and R.E. Morgan, "Design of Transistor Push-Pull Audio Amplifiers," EDN, Dec 1964.
    
    
  31. Offner, F.F., "Balanced Amplifiers," Proceedings of the IRE, Mar 1947, pp. 306-310.
    
    
  32. Offner, F., "Push-Pull Resistance Coupled Amplifiers," Review of Scientific Instruments, Vol. 8, No. 1, Jan 1937, pp. 20-21.
    
    
  33. Quinn, P.A., "A Cascode Amplifier Nonlinearity Correction Technique," Proceedings of the 1981 IEEE International Solid-State Circuits Conference, pp. 188-189, 272.
    
    
  34. Quinn, P.A., "Differential Impedance Neutralization Circuit," US Patent #4,692,712, 8 Sep 1987.
    
    
  35. Rebeles, P.L., "Self-Balancing Push-Pull Amplifier," US Patent #3,895,306, 15 Jul 1975.
    
    
  36. Richards, J.C.S., "An Improved Type of Differential Amplifier," Electronic Engineering, Jul 1956, pp. 302-305.
    
    
  37. Ross, S.G.F., "Design of Cathode-Coupled Amplifiers," Wireless Engineer, Jul 1950, pp. 212-215.
    
    
  38. Sawdai, D. and D. Pavlidis, "Push-Pull Circuits Using NPN and PNP InP-Based HBT's for Power Amplification," IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 8, Aug 1999, pp. 1439-1448.
    
    
  39. Sugimoto, Y., "Differential Amplifier with Improved Dynamic Range," US Patent #4,600,893, 15 Jul 1986.
    
    
  40. Sziklai, G.C., "Symmetrical Properties of Transistors and Their Applications," Proceedings of the IRE, Jun 1953, pp. 717-724.
    
    
  41. Tanimoto, H., "Differential Amplifier Incorporating Negative Resistance," US Patent #4,904,952.
    
    
  42. Trask, C., "Feedback Improves AGC Amplifier Harmonic Performance," RF Design, Aug 1996, pp. 81-82.
    
    
  43. van den Boorn, J.H. and W.C. van Etten, "Feedback Improves the Stability of Difference Amplifiers," Electronic Engineering, Dec 1970, pp. 48-51.
    
    
  44. Wagner, G.L., "Wide Bandwidth Low Distortion Amplifier," US Patent #4,321,553, 23 Mar 1982.
    
    
  45. Wheeler, M.S., "An Analysis of Three Self-Balancing Phase Inverters," Proceedings of the IRE, Feb 1946, pp. 67-70.
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