Microtest 6632S Impedance Analyzer with Equivalent Circuit Analysis

The Microtest 6632S Impedance Analyzer extends the capabilities of the 6632 Series with built-in equivalent circuit extraction, enabling engineers to derive lumped-element circuit models directly from measured impedance data. Operating across 10 Hz to 50 MHz with ±0.08% basic accuracy, the 6632S captures the same comprehensive parameter set, |Z|, |Y|, θ, X, R, G, B, L, D, Q, DCR, C, ESR, εr, μr, while automatically fitting the results to standard equivalent circuit topologies used in SPICE simulation and component datasheets.

Specifications

Feature	Specification
Frequency Range	10 Hz to 50 MHz
Basic Accuracy	±0.08%
Measurement Speed	<3 ms
Parameters
Equivalent Circuit	Built-in extraction with standard topologies
Level Control	Automatic Level Control (ALC)
Correction	Open/short/load compensation
Sweep	List sweep mode (multi-frequency)
Display	7-inch TFT (impedance plots + circuit parameters)
Interface	USB, LAN, GPIB (optional), handler

Equivalent Circuit Extraction

Equivalent circuit analysis transforms raw impedance sweeps into actionable design data, identifying parasitic elements such as series resistance in capacitors, inter-winding capacitance in transformers, and self-resonant frequencies in inductors. The 6632S fits measured data to standard circuit topologies (series RLC, parallel RLC, T-network, Pi-network) and outputs component values that engineers can directly use in SPICE simulation models. This capability eliminates the need for separate modeling software and accelerates the design-to-validation cycle for RF components, power magnetics, and sensor elements.

Applications

The 6632S targets R&D engineers designing inductor models for switching converter simulation, RF filter designers characterizing component parasitics, and materials researchers studying dielectric and magnetic properties across frequency. The 7-inch TFT display shows both impedance plots and extracted circuit parameters simultaneously, providing immediate insight during bench-top characterization sessions.

Watch the Microtest 6632S Impedance Analyzer with Equivalent Circuit Analysis on YouTube

GSAS Micro Systems delivers the Microtest 6632S to R&D laboratories and component manufacturers across India with INR invoicing, application engineering support, and fixture recommendations. Teams in Bengaluru, Hyderabad, Chennai, Pune, Mumbai, and Delhi NCR can access local demonstration and technical support for the 6632S and the full Microtest impedance analyzer portfolio.