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 has a nickel-cadmium battery pack comprising 10 D-size cells. | |||
The battery is center-tapped, providing +6.25V and -6.25V when fully charged. | |||
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. | |||
There is a power oscillator generating the high voltage for the CRT. | |||
==Links== | ==Links== | ||
Revision as of 07:20, 16 November 2020
The Tektronix Physiological Monitor might have been a prototype of what became the 410. It is all solid-state except for the CRT. It has a nickel-cadmium battery pack comprising 10 D-size cells. The battery is center-tapped, providing +6.25V and -6.25V when fully charged. 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. There is a power oscillator generating the high voltage for the CRT.
Links
Photos
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Front
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Front
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With Tek 222 for size reference
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With Tek 222 for size reference
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Profile
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Top internal
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Right internal
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Left internal
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Bottom internal
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Rear
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Battery right internal
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Battery right internal
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Battery connector
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Battery bottom internal
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Battery top internal
