Keysight InfiniiVision 1200X vs HD3
Representative models: DSOX1202G (1200X, 70 MHz, 8-bit) and HD304DSO (HD3, 200 MHz, 14-bit).
| Specification | DSOX1202G InfiniiVision 1200X | HD304DSO InfiniiVision HD3 |
|---|---|---|
| Bandwidth | 70 MHz | 200 MHz ★ |
| Sample Rate | 2 GSa/s | 3.2 GSa/s ★ |
| Memory Depth | 2 Mpts | 50 Mpts ★ |
| Analog Channels | 2 | 4 ★ |
| Digital Channels | 0 | 0 / 16 (MSO) ★ |
| ADC Resolution | 8-bit | 14-bit ★ |
| Waveform Update Rate | 50k wfms/s | 1.3M wfms/s ★ |
| Display Size | 7" | 10.1" (touch) ★ |
| Features | WaveGenSegmented Memory | WaveGen14-bit ADCTouch ScreenFRA |
The 1200X is a compact 2-channel entry-level oscilloscope. The HD3 offers a fundamentally different measurement capability through its 14-bit ADC — providing 64× better vertical resolution than the 1200X's 8-bit ADC. The HD3's 50 Mpts memory (25× the 1200X) and 1.3M wfms/s update rate (26× faster) make it ideal for capturing long events while maintaining high precision. The Frequency Response Analysis (FRA) feature enables Bode plot measurements directly on the scope — useful for power supply loop analysis. The 1200X is a practical entry-level instrument; the HD3 is a specialized high-definition scope for power electronics and precision measurement engineers.