Giddings & Lewis A/D & Fast Input PCB Assembly 501-04171-00 & 502-03325-00
Giddings & Lewis A/D & Fast Input PCB Assembly 501-04171-00 & 502-03325-00
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Condition:
Photos reflect the item’s current condition and details. If the item arrives in a condition that differs from what is shown or described, it may be eligible for return or refund. Please review our product condition guide prior to purchasing.
Stock #:
This is a used Giddings & Lewis Electronics A/D and fast input PCB assembly bearing part numbers 501-04171-00 and 502-03325-00, silkscreened directly on the board face. The Giddings & Lewis brand logo is printed on the board. The board is a large-format, high-density through-hole and mixed-technology assembly. The primary analog data acquisition device is a Burr-Brown SDM857JG Data Acquisition System IC in an 80-pin package, mounted at the center of the board. An onboard DC/DC power supply module by Computer Products Stevens-Arnold is installed and labeled A05015/150, providing regulated internal supply voltages. Board silkscreen markings indicate +12V and -12V supply rails. Connector sections include CONN 1 through CONN 5 along the left edge for A/D channel inputs, a FAST INPUT section along the lower left, and gold-edge card connectors labeled CONN 2, BOARD, and P1 CONN along the board edges. Trimmer potentiometers VR1-1, VR2-1, and associated GAIN and OFFSET adjustments are accessible on the board face. Logic ICs include MM74HC244N, SN74LS640N, MM74HC00N, MM74HC138N, MM74HC540N, MM74HC688N, MM74HC73N, MM74HC541N, MM74HC08N, MM74HC04N, MM74HC164N, DM74LS240AN, and SN74LS145N. An EPROM at IC-32 is marked 502-70207-00 / 60228-00 / 70209. Test points including GRD TP9 and labeled power test points are present. Physical condition shows signs of prior installation and use. Date code on the power supply module indicates 8848, placing manufacture in late 1988.
Stock # 0226-525
