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Physiological Monitor: Difference between revisions
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The Tektronix Physiological Monitor might have been a prototype of what became the [[410]]. | The '''Tektronix Physiological Monitor''' might have been a prototype of what became the [[410]]. | ||
It is all solid-state except for the CRT. | It is all solid-state except for the CRT. | ||
It has a nickel-cadmium battery pack comprising 10 D-size cells. | It has a nickel-cadmium battery pack comprising 10 D-size cells. | ||
The battery is center-tapped, providing +6. | The battery is center-tapped, providing +6.25 V and -6.25 V when fully charged. | ||
There doesn't appear to be any sort of regulator or DC-to-DC converter | There doesn't appear to be any sort of regulator or DC-to-DC converter | ||
for the low voltage, just direct connection of the battery to the amplifiers and other circuitry. | for the low voltage, just direct connection of the battery to the amplifiers and other circuitry. | ||