Frequency-response equalization in integrated current amplifiers with collector—base cross coupling

It is shown that monolithic current amplifiers with collector-base cross coupling can ensure a single-stage amplification up to 40 dB in the frequency range from 0 to 0.1f_c (wheref _c is the cutoff frequency of the transistors). This is possible if the effect of intrinsic positive feedback and a parasitic low-pass filter is suppressed. The equalization procedure is described.