The Rohde & Schwarz UPP400 is a four-channel audio analyzer engineered for multichannel measurements in laboratory and production environments. It delivers parallel signal processing across up to eight channels with a compact, integrated-PC form factor optimized for system integration. The instrument combines analog and digital interfaces with user-programmable filters and high measurement speed, supporting demanding audio test applications from IC characterization to digital audio equipment validation.
Technical Specifications
• Four-channel analyzer with support for parallel measurements up to eight channels
• Bandwidth: up to 80 kHz; sampling rate to 200 kHz
• Measurement bandwidth up to 50% of sampling rate
• RMS wideband measurements at 24-bit digital audio, full scale
• Level error: ±0.1 dB (auto fast mode), ±0.01 dB (generator track mode)
• Integration time: minimum 100 samples (generator track), minimum 200 samples (auto fast)
• User-programmable filters for analyzer and generator functions
– Key Features
• Parallel signal processing for multichannel applications
• Integrated control PC with compact, low-height chassis
• Supports combined analog and digital audio interfaces
• Manual operation via external monitor, mouse, and keyboard for lab bench use
• Remote control via LAN, USB, or IEC/IEEE bus
– Compatibility & Integration
• Analog interfaces for general-purpose audio testing
• Digital interfaces including I²S for audio IC testing
• AES/EBU and S/P DIF support for digital audio equipment measurement
• HDMI audio via R&S®UPP-B2 option (includes video data, info frames, and E-EDID reading)
• Available in two-, four-, or eight-channel configurations
