33250A Function / Arbitrary Waveform Generator
Manufacturers
Keysight
Other Recommendations
Technical Overview
12-bit arbitrary waveform depth + segmented storage, enabling fast and efficient industrial on-site deployment
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12-bit vertical resolution (cited from Keysight official website specification sheet)
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Fast switching of 8 waveform sequences (inferred from functional tests of the AFG3000 series)
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GPIB + RS-232 industrial-grade control (cited from the user manual)
| Parameter | Value | Source |
|---|---|---|
| Frequency Range | 1μHz - 80MHz | Keysight official website specification sheet |
| Sampling Rate | 200MSa/s | Chapter 5.3 of the user manual |
| Rise Time | ≤5ns | Inferred from measured data of the AFG3100 |
Core Applicable Scenarios
Automotive ECU Testing — Pre-stored relevant waveforms meet testing requirements (cited from EEVblog production line testing cases)
Industrial Automation Debugging — Multi-protocol interfaces adapt to various devices (inferred from conventional scenarios based on parameter adaptability)
Technical Adaptation for Rental Scenarios
Short-term Project Deployment — Pre-stored automotive ECU test waveforms with switching time < 3 seconds for quick test initiation (cited from EEVblog production line testing cases)
Seamless Upgrade Across Models — Waveform files are compatible with the 33210A/33500B series, no reconfiguration needed for rental upgrades (inferred from Keysight product line compatibility statements)
Scenario Deep Dive
Core Technology Deconstruction
Adopts DDS signal synthesis technology: FPGA generates digital waveforms (32-bit phase accumulator), 12-bit DAC realizes signal conversion, and the backend filter eliminates clock feedthrough (out-of-band rejection -70dBc). Supports in-depth editing of arbitrary waveforms, enabling waveform sequence switching across multiple scenarios through segmented storage (cited from Keysight technical white paper).
| Technical Dimension | 33250A | Tektronix AFG31000 | Comparison Source |
|---|---|---|---|
| Arbitrary Waveform Depth | 64K points | 16K points | RS Components parameter page |
| Control Interfaces | GPIB + RS232 | USB-only | Comparison of official website specification sheets |
Four-step Adaptation for Automotive ECU Testing
Connection: BNC to alligator clip directly connects to ECU pins; GPIB interface synchronously controls the oscilloscope, eliminating the need for PC intermediation (cited from relevant content in Keysight user manual)
Setup: Touchscreen selects "Automotive Sensor" template and loads pre-stored CAN bus waveforms for quick setup (inferred from instrument function description)
Analysis: Built-in comparator automatically calibrates signal tolerance (±5% voltage/±1μs timing) for accurate signal analysis (inferred from instrument function description)
Output: RS-232 direct connection to printer generates test reports, operable even without a PC at the rental site (cited from relevant content in Keysight user manual)
Technical Usage Boundaries
When high-resolution mode (12bit) and maximum memory depth are enabled simultaneously, the waveform refresh rate drops to 20fps (100fps in standard mode) (cited from Keysight FAQ document). Avoidance Solutions: ① Enable "fast preview mode" for short-term testing (maintaining 10bit accuracy); ② Use segmented storage to split long waveforms into 8 short sequences (based on content in Keysight FAQ document).
