Dynatech MP-5000 Manual de servicio descargar pdf (Pagina 116)

112 Technical Overview Welch Allyn Propaq Encore Vital Signs Monitor

can then be digitized. The data from the ADC is processed by the CPU and then sent to

the SCP board for transmission to the Propaq Encore monitor's CPU.

SpO

signal level is controlled through the variable gain stage of the inverting amplifier

and the output current of the LED current driver. By controlling both signal gain and

current drive, the CPU can maintain the best possible signal level for processing.

Amplifiers sense the SpO

signal levels at two points, directly sending their outputs to the

CPU. The CPU monitors these levels as it sets the gain stages of the inverting amplifier

and LED current driver.

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Dynatech MP-5000 Manual de servicio Pagina 116