超小型のデジタルオシロスコープを購入しました。
写真の信号源は実験用の発振器です。
以下がスペックです。
DSO nano is a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is base on ARM Cortex™-M3 compatible 32 bit platform, equipped with 320*240 color display, SD card capability, USB connection, and chargeable batteries. Weighs only 60g!
Specification
| Display 2.8" | Color TFT LCD |
| Display Resolution | 320×240 |
| Display Color | 65K |
| Analog bandwidth | 0 - 1MHz |
| Max sample rate | 1Msps 12Bits |
| Sample memory depth | 4096 Point |
| Horizontal sensitivity | 1uS/Div～10S/Div (1-2-5 Step) |
| Horizontal position | adjustable with indicator |
| Vertical sensitivity | 10mV/Div～10V/Div (with ×1 probe) 0.5V/Div～10V/Div (with ×10 probe) |
| Vertical position | adjustable with indicator |
| Input impedance | >500KΩ |
| Max input voltage | 80Vpp (by ×1 probe) |
| Coupling | DC |
| Trig modes | Auto, Normal, Single, None and Scan |
| Functionalities: | Automatic measurement: frequency, cycle, duty, Vpp, Vram, Vavg and DC voltage Precise vertical measurement with markers Precise horizontal measurement with markers Rising/falling edge trigger Trig level adjustable with indicator Trig sensitivity adjustable with indicator Hold/run feature |
| Test signal | Built-in 10Hz～1MHz (1-2-5 Step) |
| Waveform storage | SD card |
| PC connection via USB | as SD card reader |
| Upgrade | by bootloader via USB |
| Power supply | 3.7V Chargeable Lithium battery / USB |
| Dimension (w/o probe) | 105mm X 53mm X 8mm |
＄８９ですが、円高で８１１７円でした。
１ｃｈですが、なかなか使えそうです。