The Yokogawa DLM4038 is a mixed-signal oscilloscope that captures and analyzes analog and digital signals simultaneously across 8 analog channels with 350 MHz bandwidth. Its flexible architecture supports standard 8-bit logic analysis on channel 8, with optional expansion to 24-bit logic analyzer capability. The instrument delivers 2.5 GSa/s maximum sampling rate, up to 250 Mega Points record length, and 12-bit vertical resolution. A 12.1-inch XGA display presents acquired waveforms with intuitive controls optimized for embedded systems, power electronics, mechatronics, and automotive applications.
Technical Specifications
Analog Channels
• 8 channels at 350 MHz bandwidth
• 12-bit vertical resolution
• Vertical range: 2 mV/div to 10 V/div (1-2-5 steps)
• Input coupling: DC, AC, DC50, GND
• Input impedance: 1 MΩ ±1.0% (~20 pF) or 50 Ω
• DC accuracy: ±(1.5% of 8 div + offset voltage accuracy)
• Rise time: 700 ps
• Channel-to-channel deskew: ±100 ns
Digital Channels
• Standard: 8-bit logic analyzer on channel 8
• Optional: Up to 24-bit logic analysis with additional 16 inputs
Sampling & Memory
• Maximum sample rate: 2.5 GSa/s per channel
• Maximum record length: 250 Mega Points
• Single-mode memory depth: 6.25 MPt/CH
• Continuous acquisition memory: 1.25 MPt/CH
Time Base
• Range: 1 ns/div to 500 s/div
• Accuracy: ±0.002%
Triggering
• Sources: CH1–CH8
• Serial-bus protocols: UART, I2C, SPI, CAN, LIN, FlexRay, CXPI, CAN FD, SENT, PSI5
Display
• 12.1-inch TFT color LCD, 1024 × 768 XGA resolution
– Key Features
• Math functions: A+B, A-B, A×B, A/B, FFT, user-defined operations
• Waveform modes: Normal, Envelope, Average
• Power analysis and digital filtering
• Waveform history playback with pause, fast-forward, rewind
• Searchable acquisition records up to 250 MPoints
• Ethernet (1000BASE-T/100BASE-TX/10BASE-T) with FTP, HTTP, VXI-11
• USB 2.0 connectivity
• AUX and RGB outputs
– Typical Applications
• Embedded systems development
• Power electronics testing
• Mechatronics analysis
• Automotive electronics validation
– Compatibility & Integration
LAN connectivity supports FTP, HTTP, and VXI-11 server modes with FTP, SNTP, SNIP, LPR, DHCP, and DNS client services. USB 2.0 enables peripheral connection and host communication. Supply: 100–240 VAC.
