The Rohde & Schwarz HMO3042 is a 4-channel mixed-signal oscilloscope delivering 400 MHz bandwidth and 4 GSa/s maximum sample rate for complex signal capture and analysis. This instrument combines analog oscilloscope functionality with optional 16-channel digital logic analysis, enabling engineers to troubleshoot mixed-signal designs without switching between separate tools.
Technical Specifications
Analog Performance
• Bandwidth: 400 MHz
• Analog channels: 4
• Maximum sample rate: 4 GSa/s (interleaved), 2 GSa/s (non-interleaved)
• Memory depth: 8 Mpts
• Vertical resolution: 8 bits (HiRes mode up to 16 bits)
• Vertical sensitivity: 1 mV/div to 5 V/div
• Input impedance: 1 MΩ || 13 pF or 50 Ω
• Maximum input voltage: 40 Vp at 1 MΩ; 5 VRMS at 50 Ω
• Transient overvoltage rating: 200 V peak
Digital & Logic Analysis
• Digital channels: 16 (requires optional logic probe)
• FFT analysis: Up to 64 kPts with dBm, dBV, and Vrms output
• Frequency counter: 6-digit hardware resolution
• Digital voltmeter: Integrated 3-digit display
Triggering & Decoding
• Trigger modes: Slope (A/B), pulse width, video, logic, hold-off, risetime, runt
• Serial protocol analysis: I2C, SPI, UART, CAN, LIN (optional, hardware-based decoding)
• Pass/Fail function for signal validation
Display
• Screen size: 6.5 inches (16.5 cm)
• Type: VGA color TFT
• Resolution: 640 × 480 pixels
• Brightness: 500 cd/m²
• Display area: 8 × 12 divisions (400 × 600 pixels)
– Key Features
• High waveform update rate for dynamic signal visualization
• Hardware-based serial protocol triggering and decoding
• 8 Mpts memory per channel for extended capture windows
• Selectable input impedance (1 MΩ or 50 Ω)
• Pass/Fail measurement automation
– Interfaces & Integration
• Standard: HO730 Ethernet/USB dual-interface card
• Optional: HO720 (RS232, USB) or HO740 (GPIB)
• Remote control: USB, Ethernet, RS232, GPIB
• SCPI protocol support for automation
– Typical Applications
Design verification, troubleshooting, and service of mixed-signal systems including embedded microcontroller designs, serial communication protocols, and analog/digital signal interaction analysis.
