Keysight / Agilent E4990A Impedance Analyzer, 20 Hz - 120 MHz

Keysight E4990A Impedance Analyzer

The Keysight E4990A Impedance Analyzer is your go-to solution for the precise characterization and evaluation of electronic components, semiconductor devices, and various materials. With an unparalleled level of accuracy across a broad impedance range, the E4990A is further enhanced by its built-in DC bias (Option 001) and compatibility with a wide array of test accessories, ensuring that your measurement tasks are both simple and reliable.

Key Features:

• Frequency Options: Choose from five frequency options tailored to meet your needs:
  • 20 Hz to 10 MHz
  • 20 Hz to 20 MHz
  • 20 Hz to 30 MHz
  • 20 Hz to 50 MHz
  • 20 Hz to 120 MHz
• Intuitive User Interface: Equipped with a large touch screen display, the E4990A allows for easy navigation through:
  • Multi-channel / multi-trace capability for comprehensive analysis
  • Simultaneous viewing of multiple parameters under various conditions
  • Quick access to frequently used functions via front panel hard keys and soft keys
• Sophisticated Analysis Functions: Enhance your measurements with the analyzer's advanced analysis capabilities.
• Flexible Connectivity: Offers remote control and easy test automation for enhanced productivity.
• Segment Sweep Function:
  • Allows you to divide sweep ranges into segments
  • Export segment sweep settings to a CSV file for convenience
• Equivalent Circuit Analysis:
  • Simulates impedance versus frequency characteristics using three or four elements
  • Save equivalent circuit parameters as a text file for future reference
• Built-in DC Bias Source: Conveniently integrated for enhanced measurement capabilities.

Applications:

• Passive Components: Effective impedance measurement of capacitors, inductors, ferrite beads, resistors, transformers, and crystal/ceramic resonators.
• Semiconductor Components:
  • C-V characteristic analysis of varactor diodes
  • Impedance evaluation of diodes, transistors, amplifiers, and MEMS devices
• Additional Components: Impedance evaluation for components on printed circuit boards.
• Dielectric Material: Evaluate the permittivity and loss tangent of plastics, ceramics, and printed circuits.
• Magnetic Material: Determine the permeability and loss tangent of ferrite and other magnetic materials.

Specifications:

• Operating Frequency Options:
  • 20 Hz to 10 MHz
  • 20 Hz to 20 MHz
  • 20 Hz to 30 MHz
  • 20 Hz to 50 MHz
  • 20 Hz to 120 MHz
• Measurement Parameters: lZl, lYl, O, R, X, G, B, L, C, D, Q, Complex Z, Complex Y, Vac, Iac, Vdc, Idc.
• Basic Impedance Accuracy: ±0.08% (typical ±0.045%).
• Q Accuracy: ±3% (typical) at Q = 100, frequency ≤ 10 MHz.
• Impedance Range: 25 mΩ to 40 MΩ (10% accuracy).
• Measurement Time:
  • 3 msec/point at Option 120, frequency ≥ 100 kHz (1 fast).
  • 30 msec/point at Options 010 / 020 / 030 / 050, frequency ≥ 100 kHz (1 fast).
• Measurement Types:
  • Four-terminal-pair measurement (standard).
  • 7-mm 1-port measurement with 42942A measurable grounded devices.
  • Impedance probe measurement with 42941A measurable grounded devices.
• Voltage / Current Signal Level: 5 mVrms to 1 Vrms / 200 μArms to 20 mArms, with 1 mV/20 μA resolution.
• DC Bias: 0 to ±40 V / ±100 mA, with 1 mV/40 μA resolution.
• Auto Level Control (ALC): Manages signal level voltage/current, and DC bias voltage/current.
• Sweep Parameters: Frequency, signal, voltage/current, DC bias voltage/current.
• Sweep Type: Linear frequency, log frequency, linear signal level, linear DC bias, log DC bias, segment.
• Number of Measurement Points: 2 to 1601.
• Number of Channels/Traces: 4-channel / 4-trace.
• Marker Features: 10 independent markers per trace, delta marker, marker search, and marker analysis.
• Data Analysis: Equivalent circuit analysis, limit line test.
• Interface: USB (2 front, 4 rear), LAN, USBTMC, GPIB, 24 bit I/O.
• Display: 10.4 inch TFT color LCD with touch screen.