--- type: product schema_version: 1 stock_number: "63214-20" canonical_url: "https://www.artisantg.com/63214-20/HP-5087-7181" json_url: "https://www.artisantg.com/63214-20/HP-5087-7181.json" generated_at: "2026-11-06T23:46:46.198Z" last_updated: "2026-10-22T22:00:49.447-05:00" --- # Keysight / Agilent / HP 5087-7239 Bias Tee _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: HP - Model: 5087-7239 - Condition: Used and in Excellent Condition - Price: $700.00 USD - Availability: In stock, 9 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 2 lb, estimated - Shipping dimensions: 12X9X6 in, estimated ## Categories - Test Equipment > Electrical Test > Bias Tees (primary) ## Details Part Number: 5087-7181 ## Function Coaxial bias tee network component that enables simultaneous application of DC bias voltage and RF signals to devices under test. Operates by blocking DC components from the RF path while allowing RF signals to pass through, with minimal insertion loss and high isolation between paths. Designed for semiconductor device testing, RF amplifier biasing, and component characterization in test systems requiring accurate bias voltage delivery concurrent with RF stimulation. Features broadband RF response and precise DC coupling capabilities. ## Platform Designed for network analyzer test setups operating from DC to 26.5 GHz requiring simultaneous RF signal transmission and DC bias injection. Compatible with vector network analyzers and scalar network analyzers featuring 3.5mm coaxial connectors. Interfaces with active devices under test including amplifiers, mixers, and transistors requiring DC operating voltages while maintaining RF signal integrity. Supports broadband impedance measurements, S-parameter characterization, and gain compression testing of semiconductor devices in laboratory and production environments. ## Application Network bias tees enable simultaneous DC bias injection and RF/microwave signal transmission through a single coaxial path for active device characterization. This component separates DC and AC paths using internal blocking capacitors and RF chokes, allowing bias voltage/current application to amplifiers, mixers, or active antennas while maintaining signal integrity. Common applications include biasing photodetectors in optical communication systems, powering remote amplifiers in distributed antenna systems, characterizing transistors and diodes under operating conditions, supplying DC to active probes during S-parameter measurements, and enabling on-wafer device testing where separate DC and RF connections are impractical. The bias tee protects sensitive test equipment from DC damage while providing a low-loss RF path. ## Images - - - -