. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Figure Figure Fg. The exact equivalent circuit of the device is shown in Figure Since r„ and Rj^ are usually much smaller th&n Rg this is with sufficient accuracy reducible to Figure If V^ is a pentode the equivalent circuit is Figure ,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson,


. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Figure Figure Fg. The exact equivalent circuit of the device is shown in Figure Since r„ and Rj^ are usually much smaller th&n Rg this is with sufficient accuracy reducible to Figure If V^ is a pentode the equivalent circuit is Figure ,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson, Peter Eden Kirwan. New York, Academic Press


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