Name of the equipment: Vector Network Analyzer –(VNA) Make & Model: ROHDE&SCHWARZ-  ZNB40 I-Stem Registration ID- 3245639 Category of Instrument Microwave/RF Characterization Types of Analysis / Testing S-parameter measurement, impedance matching, network analysis Application: A Vector Network Analyzer (VNA) is used to measure the electrical performance of RF and microwave components such as antennas, cables, filters, and circuits by analyzing parameters like gain, loss, and reflection (S-parameters). Description of Instrument A VNA is a precision instrument that characterizes high-frequency electrical networks by measuring the magnitude and phase of transmitted and reflected signals across a wide frequency range.

Book through I-STEM: https://www.istem.gov.in/ Slot Booking Link (Internal) I-STEM Slot Booking link for External User

Booking available for Internal and External Both Requisition form for both Internal and External

Faculty In-charge: Dr. Murali KP Email ID: kpmurali@nitc.ac.in Phone number: 0495228 6526

Technical Staff: Mr. Nithin Sivadas, nithinsivadas@nitc.ac.in

Department Centre for Materials Characterization (CMC) Office Email ID xrdadmin@nitc.ac.in  Location 1^st floor, Materials Science and Engineering Department (MESD) Lab Phone No 0495-2286545

Features of the equipment The ROHDE & SCHWARZ ZNB40 is a high-precision Vector Network Analyzer for RF and microwave testing up to 40 GHz. It offers a wide dynamic range, fast sweep speed, and low noise. The system supports 2-port and 4-port setups with a user-friendly touch-screen interface. Key features include time-domain analysis, mixed-mode S-parameters, and flexible calibration. It is ideal for testing antennas, filters, cables, and circuit boards with high accuracy.

Unique features/Measurement capabilities, if any Ø Wide frequency range up to 40 GHz Ø High dynamic range and low trace noise Ø Touch-screen interface with advanced measurement tools Ø Time-domain and mixed-mode S-parameter analysis Ø Flexible calibration and automation options

Instrument Technical Description and Major Specifications (This Specifications Limited to Major 5) § Frequency Range: 10 MHz to 40 GHz § Number of Ports: 2-port configuration (expandable to 4-port) § Dynamic Range: >140 dB (typical) § Trace Noise: <0.004 dB RMS (typical) § User Interface: 12.1" touch-screen with advanced measurement functions

Measurement/Sample specifications: § Sample Type: RF/microwave components (e.g., antennas, filters, cables, PCBs) § Frequency Range: 10 MHz to 40 GHz § Measurement Parameters: S11, S21, S12, S22 (S-parameters) § Impedance: 50 ohms (standard) § Measurement Modes: Frequency sweep, time-domain, and mixed-mode analysis

§ Quantity: Depends on connector type and test setup (typically one device/component)

§ Sample Type: RF/microwave components (e.g., antennas, filters, cables, PCBs)

§ Pre-preparation: Samples must have standard RF connectors and be properly terminated

§ User Instructions: Must specify frequency range and measurement type (e.g., S-parameters, return loss)

§ Type of Samples to be Analyzed: Active or passive RF components

§ Maximum No. of Samples Accepted in a Day: 10

§ Minimum No. of Days Required for Analysis: 2 days

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