. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. RC OSCILLATORS C's at all times. R^ and Cg form a low-pass filter to smooth the control bias. The system works well and the output waveform is quite pure provided the level of oscillation is held down to a volt or two. The level is controlled by the setting of the potentiometer. HT +. -\N\f 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 perfec
. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. RC OSCILLATORS C's at all times. R^ and Cg form a low-pass filter to smooth the control bias. The system works well and the output waveform is quite pure provided the level of oscillation is held down to a volt or two. The level is controlled by the setting of the potentiometer. HT +. -\N\f 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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