--- type: product schema_version: 1 stock_number: "64899-35" canonical_url: "https://www.artisantg.com/64899-35/Tektronix-389439401A" json_url: "https://www.artisantg.com/64899-35/Tektronix-389439401A.json" generated_at: "2026-11-07T20:16:50.407Z" last_updated: "2026-10-28T19:05:40.300-05:00" --- # Tektronix 389439401A Input Board _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Tektronix - Model: 389439401A - Condition: Used and in Excellent Condition - Price: Quote only - Availability: Not in Stock - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 4 lb, estimated - Shipping dimensions: 12X9X6 in, estimated ## Categories - Test Equipment > Electrical Test > Electrical Parts (primary) ## Function Provides analog signal conditioning and digitization for oscilloscope channels. Contains high-impedance buffer amplifiers, programmable gain stages, AC/DC coupling circuits, and high-speed ADCs. Interfaces with acquisition memory controller via high-speed digital bus. Supports selectable input impedance (50O/1MO), variable attenuation, and offset adjustment. Processes differential or single-ended inputs with bandwidth limiting filters. Includes trigger comparators and clock distribution. Connects to front-panel BNC inputs and communicates with system processor for configuration control. ## Images - - - -