The Rohde & Schwarz UPL06 is a dual-channel audio analyzer for analog and digital signal testing across DC to 110 kHz. It delivers simultaneous measurements on both channels without input switchover, making it ideal for audio equipment development, manufacturing QC, and research environments. The instrument combines precision signal generation with advanced FFT analysis, jitter measurement, and acoustic testing capabilities.
Technical Specifications
• Frequency Range: DC to 110 kHz
• Sampling Rate: 48 kHz
• Frequency Accuracy: ±50 ppm
• Analog Sinewave Generation: Harmonics typically −115 dB to −120 dB
• Spectrum Display Noise Floor: Below −140 dB (analog interfaces), below −160 dB (digital interfaces)
• FFT Analysis: Maximum frequency resolution 0.05 Hz; 256 to 16k samples (binary steps); zoom capability from 2× to 128× over selectable range
• Dynamic Range: Maximum dynamic range with digital signal processing extending beyond internal 20-bit converter
– Key Features
• Dual-channel real-time measurements in the audio-frequency range
• FFT analyzer with selectable sample counts and high-resolution zoom
• Multi-sinewave generation: up to 7,400 frequencies with selectable amplitude distribution, or up to 17 sine waves with independent frequency and level control
• Noise and sine-wave signal generation
• THD, SINAD (THD+N), and modulation distortion (DIN/IEC 2683)
• Intermodulation analysis via difference tone method (2nd and 3rd order)
• Selective level measurement with sweepable or coupled bandpass filtering
• Wow and flutter measurements (DIN/IEC, NAB, JIS, 2-sigma methods) with spectral display
• Jitter analysis and resynchronization for digital audio signals
• Frequency response and externally controlled sweeps with reference traces
• Polarity, crosstalk, DC voltage, frequency, phase, and group delay measurements
– Typical Applications
• Audio equipment manufacturing and quality control
• Research and development of analog and digital audio systems
• Hearing aid testing (with optional accessories and software per IEC60118 or ANSI S3.22)
• Mobile phone audio testing (GSM and 3G options available)
– Compatibility & Integration
Optional accessories and software modules extend measurement scope to acoustic and mobile audio domains.
