Teledyne 3000TA-XLEU - Trace oxygen analyzer User Manual
Page 31
Trace Oxygen Analyzer
Operational Theory
Teledyne
Analytical
Instruments
15
2.4 Electronics and Signal Processing
The Model 3000TA-XL-EU Trace Oxygen Analyzer uses an 8031
microcontroller with 32 kB of RAM and 128 kB of ROM to control all
signal processing, input/output, and display functions for the analyzer.
System power is supplied from a universal power supply module
designed to be compatible with any international power source. Figure
2-6 shows the location of the power supply and the main electronic PC
boards.
The signal processing electronics including the microprocessor,
analog to digital, and digital to analog converters are located on the
motherboard at the bottom of the case. The preamplifier board is
mounted on top of the motherboard as shown in the figure. These boards
are accessible after removing the back panel. Figure 2-7 is a block
diagram of the analyzer electronics.
Figure 2-6: Power supply and PCB Location
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