The Rohde & Schwarz HMO3044 is a 4-channel mixed-signal oscilloscope delivering 400 MHz bandwidth and real-time sampling to 4 GSa/s. Built for simultaneous analog and digital signal acquisition, it combines precision analog measurement with MSO logic analysis in a single instrument.
Technical Specifications
Analog Channels
• 4 channels, 400 MHz bandwidth
• Vertical sensitivity: 1 mV/div to 5 V/div
• ADC resolution: 8 bits (HiRes mode up to 16 bits)
• Input impedance: 1 MΩ || 13 pF or 50 Ω (5 V RMS max)
• Maximum input voltage: 40 Vp at 1 MΩ; 150 VRMS at 1 MΩ; 5 VRMS at 50 Ω
Digital Channels (MSO)
• Up to 16 logic channels via optional logic probes
• Logic probe sampling rate: 1 GSa/s
• Configurable thresholds: TTL, CMOS, ECL, or user-defined (−2 V to +8 V)
Sampling and Memory
• Real-time sampling: 4 GSa/s (interleaved)
• Memory depth: 8 Mpts
• Segmented memory option (R&S®HOO14/HV114): up to 1000 segments, 5 kPts to 1 MPts per segment, acquisition rates to 200,000 Wfm/s, re-arming time <3 µs
Display
• 6.5-inch VGA color TFT with LED backlight
• 640 × 480 pixel resolution
– Key Features
• Hardware-accelerated triggering and decoding for I2C, SPI, UART, CAN, and LIN protocols
• Trigger modes: Slope (A/B), Pulse Width, Video, Logic, Serial Buses, Hold-off, Risetime, Runt
• Digital voltmeter, advanced mathematical functions, mask testing, FFT analysis
• Protocol-specific trigger options: I2C (Start, Stop, ACK, nACK, Address/Data); SPI (Start, End, 32-bit Serial Pattern); UART/RS-232 (Startbit, Frame Start, Symbol, Pattern); LIN (Frame Start, Wake Up, Identifier)
– Connectivity & Integration
• Standard: Ethernet, USB
• Optional: GPIB, RS-232
