Interstate Electronics Corporation F33 Function Generator, 0.03 Hz to 3 MHz Global Test Equipment, 866-409-0400, Buy, Rent, Description; Specifications F74 / F77 FUNCTION GENERATOR. INTERSTATE ELECTRONICS CORP. 93-pages in a 20-MB PDF format file. Electronic page numbers = original page numbers. Operation and Maintenance Manual Series 40 Function Generator. Files: Enable Javascript to download files. Interstate F44-47 Fuct Gen.pdf. (6.2 MB). Technical Specifications · Collections | Museums | Literature · Forum.INTERSTATE ELECTRONICS F74 / F77 Function Generator Manual (Operating & Service) - $15.00. FOR SALE! F74 / F77 FUNCTION GENERATOR. INTERSTATE ELECTRONICS