Agilent / HP 4286A with option 004

The Agilent / HP 4286A with option 004 is a precision RF impedance analyzer for passive component characterization across 1 MHz to 1 GHz. This instrument delivers high-precision impedance measurement and parameter extraction critical for component research, quality assurance, and production line verification. Built-in compensation features and auto level control optimize measurement accuracy while high-speed test capabilities support efficient R&D workflows and high-volume manufacturing environments.

Technical Specifications

Measurement Capabilities:

• Frequency range: 1 MHz to 1 GHz


• Impedance parameters: Z, Y, L, C, R, X, G, B, Q, D, phase angle, ESR, ESI, EPR


• Test signal source: Internal RF signal generator with adjustable frequency and level


• Output impedance: 50 Ω (standard RF) Measurement Parameters:

The analyzer characterizes impedance (Z), admittance (Y), inductance (L), capacitance (C), resistance (R), reactance (X), conductance (G), susceptance (B), quality factor (Q), dissipation factor (D), phase angle, equivalent series resistance (ESR), equivalent series inductance (ESI), and equivalent parallel resistance (EPR).

Key Features

• High-speed testing - rapid data acquisition and analysis for production and R&D environments


• Compensation functions - open, short, and load compensation to minimize test fixture parasitics


• Auto level control - automatic test signal adjustment for consistent measurement conditions


• Sweep capabilities - frequency and level sweeps for characterizing component behavior across operating ranges


• Programmable test signal levels - variable drive levels for component evaluation under different operating conditions

Typical Applications

• Passive component R&D characterization


• Quality assurance verification


• Production line component inspection


• Capacitor and inductor evaluation

Compatibility & Integration The analyzer integrates an internal RF signal generator with programmable frequency and signal level control, enabling direct component testing without external source equipment.