Vici VC8145 Bench Multimeter - A Look Inside - Pt 3

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A look inside the Vici VC8145 to see how it operates.
A great written review and look inside by Henrik:
https://lygte-info.dk/review/DMMVici%20VC8145%20UK.html
Software by Hendrick for this and other meters:
http://lygte-info.dk/project/TestControllerIntro%20UK.html

ICs inside the Vici VC8145:
The main multimeter IC, FS9704:
https://www.ic-fortune.com/upload/Download/FS970X-DS-44_EN.pdf
Micro Processor/Controller, Holtek HT48R30A-1:
https://www.dataman.com/media/datasheet/Holtek/HT48x30x-1.pdf
LCD driver and RS232 data interface, FSUP01-003.
RMS-to-DC Converter, Analog Devices AD737J:
https://www.digchip.com/datasheets/parts/datasheet/041/AD737J-pdf.php
Voltage Reference Diode, Texas Instruments LM185-1.2-N:
http://www.ti.com/lit/ds/symlink/lm385-1.2-n.pdf
Dual D-type flip-flop, HEF4013B:
https://assets.nexperia.com/documents/data-sheet/HEF4013B.pdf
EEPROM, ATMEL AT93C46:
http://ww1.microchip.com/downloads/en/DeviceDoc/doc5140.pdf

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