Rohde and Schwarz RT-ZMA40 SMA Module

The Rohde & Schwarz RT-ZMA40 is an SMA input module for the RT-ZM modular probe amplifier system, delivering multimode measurement capability up to 16 GHz. This module integrates with compatible R&S oscilloscopes to enable single-ended, differential, and common-mode measurements across both 3.5 mm and 2.92 mm coaxial connector systems.

– Technical Specifications

• Bandwidth: Up to 16 GHz
• Rise Time: Less than 28 ps
• Input Impedance: 50 Ω / 100 Ω configurable
• Input Resistance (Differential Mode): 400 kΩ
• Offset Compensation Range: ±16 V at probe tip
• Termination Voltage: ±4 V (supplied by RT-ZM amplifier module)
• Operating Temperature: 0°C to 40°C
• Input Connectors: SMA (3.5 mm and 2.92 mm compatible)

– Key Features

• Multimode operation supports single-ended (P/N), differential (DM), and common-mode (CM) measurements
• DC voltage measurement capability independent of oscilloscope via integrated ProbeMeter with 0.05% accuracy
• Switchable gain settings optimize dynamic range and minimize system noise
• Integrated micro button for instrument control—configurable for run/stop, auto set, waveform save, trigger-level discovery, or automated test report generation
• Unique offset compensation allows DC signal components to be nulled at the probe tip, enabling measurements referenced to DUT-specific common-mode voltages rather than ground

– Typical Applications

• High-speed differential signal acquisition in digital and analog circuits
• DC voltage monitoring concurrent with AC waveform capture
• Common-mode and single-ended measurement in mixed-signal environments
• Precision voltage measurement in embedded and power electronics testing

– Compatibility & Integration

The RT-ZMA40 integrates with the R&S RT-ZM probe amplifier module via double-socket SMP connector (DC to 26.5 GHz bandwidth). Compatible oscilloscopes include R&S RTE, RTO1000, RTO2000, and RTP series. Automatic probe detection and configuration occur through the Rohde & Schwarz probe interface.

Part Number: RT-ZMA40.02 | Catalog: 1419.4201.02