Reply to 'Comments on ''Unilateral gain of heterojunction bipolar transistors at microwave frequencies'' '

In reply to comments by H.O. Vickes (ibid., vol. 36, p. 1861-2, 1989), it is pointed out that the correct equation was used for calculations in a previously published paper by S. Prasad et al. (ibid., vol. 35, no. 12, p. 2288-94, 1988), even though an incorrect equation was given.