Reproductions of the pull-out reference cards for the HP8970A Noise Figure Meter
The Inkscape files were created from the scanned original cards. The fonts required (Helvetica and Arial) must be installed before editing. The PDF files have embedded fonts can be used independently.
Print the cards on 110 lb card and laminate. Cut off the edge. The cards are installed by removing the bottom cover of the HP8790A & inserting them into the pocket on the cover. When reinstalling the bottom cover, be carefull to feed the cards through the front slot on the frame before sliding the cover fully on.