How does shipping work for orders on MRO Exchange?

Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

What payment methods does MRO Exchange accept?

MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

1 2

Giddings & Lewis 501-04171-00 / 502-03325-00 A/D and Fast Input PCB Assembly

$699.99 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPN501-04171-00 / 502-03325-00 Stock #0226-00525

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

Shipping Estimate

⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

✓ Free domestic UPS Ground shipping — applied automatically at checkout.

Same-Day Available
Real support team
Secure checkout

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

View full details

Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.