. Electronic apparatus for biological research . ? a> Figure Figure At CO large, then, the circuit simplifies to R^ and Q, a simple low-pass filter, and Kout will fall with increasing frequency. By a similar process, we can deduce that when m is low, the important elements are C^ and R^, forming a simple high-pass filter, with Fout falhng as the frequency is reduced. If the output is falling at both ends of the frequency spectrum, it presumably has a maximum at intermediate frequencies and the transmission charac- teristic has probably some such shape as Figure This, in fact


. Electronic apparatus for biological research . ? a> Figure Figure At CO large, then, the circuit simplifies to R^ and Q, a simple low-pass filter, and Kout will fall with increasing frequency. By a similar process, we can deduce that when m is low, the important elements are C^ and R^, forming a simple high-pass filter, with Fout falhng as the frequency is reduced. If the output is falling at both ends of the frequency spectrum, it presumably has a maximum at intermediate frequencies and the transmission charac- teristic has probably some such shape as Figure This, in fact, proves to be the case. Re-drawing the network in terms of


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