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4192A

Keysight Technologies (Agilent HP)Impedance

The Keysight HP 4192A is a high-performance LF Impedance Analyzer designed for both network analysis and impedance analysis on telecommunication filters, audio/video electronic circuits, and basic components. Operating over a 5 Hz to 13 MHz frequency range, it offers mHz-level frequency resolution, a variable test signal, and integrated DC bias. The 4192A supports both floating and grounded device testing with automated sweep capabilities and HP-IB (GPIB) programmability.

Component TestingImpedance AnalysisNetwork Analysis

Specifications

General

ParameterValue
InterfacesHP-IB (GPIB)
DisplayDual 4 1/2-digit 7-segment LED displays with parameter indicators
Warm-up Time30 minutes

Physical

ParameterValue
Power Supply100 / 120 / 220 / 240 V ±10% (switchable), 48 to 66 Hz, ≤150 VA
Operating Temperature0 to 55 °C
Dimensions (W×H×D)425.5 mm × 235 mm × 612 mm
Weight19 kg

Measurement Parameters & Functions

ParameterValue
Primary Parameters|Z|, |Y|, Gain-Phase (relative amplitude, phase, group delay)
Secondary ParametersTheta, R, X, G, B, L, C, D, Q, Delta, Delta%
Ranging ModesAuto, Manual
Device Measurement CompatibilityFloating or grounded devices
Zero CompensationAutomated zero adjustment (Open/Short)
Self-Test CapabilityBuilt-in automatic self-test

Test Signal (Stimulus) Specifications

ParameterValue
Frequency Range5 Hz to 13 MHz
Frequency Resolution (5 Hz to 10 kHz)1 mHz
Frequency Resolution (10 kHz to 100 kHz)10 mHz
Frequency Resolution (100 kHz to 1 MHz)0.1 Hz
Frequency Resolution (1 MHz to 13 MHz)1 Hz
AC Test Signal Level Range5 mV to 1.1 Vrms
AC Test Signal Level Resolution (5 mV to 100 mV)1 mV
AC Test Signal Level Resolution (100 mV to 1.1 V)5 mV

DC Bias Source

ParameterValue
Internal DC Bias Range-35.00 V to +35.00 V
Internal DC Bias Resolution (0.00 V to ±9.99 V)10 mV
Internal DC Bias Resolution (±10.0 V to ±35.0 V)50 mV
External DC Bias Input RangeUp to ±45 V

Measurement Ranges

ParameterValue
Impedance Range (|Z|, R, X)0.1 mOhm to 1.2999 MOhm
Admittance Range (|Y|, G, B)1 nS to 1.2999 S
Capacitance Range (C)0.1 fF to 129.99 mF
Inductance Range (L)0.01 nH to 1299.9 H
Dissipation Factor Range (D)0.0001 to 19.999
Quality Factor Range (Q)0.01 to 10000
Phase Angle Range (Theta)-180.00° to +180.00°

Measurement Speed & Sweep Capabilities

ParameterValue
Sweep ParametersFrequency, DC Bias
Sweep ModesSingle, Continuous, Manual

Front Panel & Display

ParameterValue
Measurement Terminals4-terminal pair configuration BNC

Rear Panel Interfaces & Control

ParameterValue
Recorder OutputsX, Y1, Y2 analog recorder outputs (rear panel)

Performance

ParameterValue
Basic Measurement Accuracy±0.1%
Frequency Accuracy±0.005%
Measurement Time (Normal Mode)187 ms (at ≥ 10 kHz)
Measurement Time (Fast Mode)87 ms (at ≥ 10 kHz)

System & Control

ParameterValue
Trigger ModesInternal, Manual, External, HP-IB
HP-IB Interface FunctionsSH1, AH1, T5, TE0, L4, LE0, SR1, RL1, PP1, DC1, DT1, C0

Electrical

ParameterValue
Power Consumption≤ 150 VA

Environmental

ParameterValue
Operating Humidity≤ 95% RH at 40 °C

DC Bias

ParameterValue
Internal DC Bias Current Capacity40 mA max.
External DC Bias Maximum Input Voltage±35 V
External DC Bias Maximum Current100 mA max.

Reference Oscillator

ParameterValue
Option 001 Reference Aging Rate±5 × 10^-8 per day
Option 001 Reference Temp Stability±1 × 10^-8 (0 °C to 55 °C)

Rear Panel Connections

ParameterValue
DC Bias Monitor Output1/10 of actual DC bias voltage (output impedance 10 kΩ)
External Trigger InputBNC, TTL compatible, active on negative-going transition (pulse width ≥ 2 µs)
External Reference InputBNC, 1 MHz, 2 MHz, or 5 MHz (≥ 0 dBm into 50 Ω)
Reference Frequency OutputBNC, 1 MHz (≥ 0 dBm into 50 Ω)

Measurement Functions

ParameterValue
Deviation Measurement ModesΔ (difference) and Δ% (percent difference) from stored reference

Technology

LF Impedance Analyzer

Applications

Impedance and gain-phase characterization of components, filters, and circuits