A new monolithic variable gain transimpedance amplifier is described. The circuit is realized in BiCMOS technology and has measured gain of 98 k/spl Omega/, bandwidth of 128 MHz, input noise current spectral density of 1.17 pA//spl radic/(Hz) and input signal-current handling capability of 3 mA.>
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Meyer et al. (1994) studied this question.
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