DS0138
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Oscilloscopio digitale DS0138 2.4 assemblato
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Oscilloscopio digitale DS0138 2.4 assemblato
Oscilloscopio digitale DS0138 2.4 assemblato
Articolo consigliato per la misurazione di segnali su circuiti elettronici |
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Altezza (mm) | 76.2 mm |
Larghezza (mm) | 101 mm |
Profondità (mm) | 25.4 mm |
Peso (g) | 68 g |
Note | 9V DC power supply required. Not included |
Display | 2.4-inch color TFT LCD with 320 x 240 resolution |
Analog bandwidth | 0 - 200KHz |
Sampling rate | 1Msps max |
Sensitivity | 10mV/Div - 5V/Div |
Sensitivity error | less than 5% |
Vertical resolution | 12-bit |
Timebase | 10us/Div - 500s/Div |
Record length | 1024 points |
Input Impedance | 1M ohm |
Maximum Input voltage | 50Vpk |
Coupling | DC, AC, GND |
Max Horizontal Real-time Sampling Rate | 1Msps |
Supply Current | 120mA |
EAN | 0855817001388 |
DSO138 was designed as a training oscilloscope kit. It contains only the basical oscilloscope functions with no fancy features. Simplicity in structure and easiness in assembly/operation are among the main targets of the design. For these purpose DSO138 uses mostly through-hole parts. The heart of DSO138 is a Cortex-M3 ARM processor (STM32F103C8) from ST. It uses 2.4-inch TFT LCD (320 X 240 dotmatrix, 262K colors) as its display element and displays nice and clear waveforms. Detailed assembly instructions are provided in combination with troubleshooting guide and schematc. Source codes are also available to allow user to add their own features.
This DSO138 kits has all SMD parts pre-soldered (PN: 13801K). The MCU has been pre-programmed and no re-programming required.
DSO138 is partially open-sourced. This opens the possibility for users to add different features or develop new applications on the hardware.
[2015-01-05] New firmware (113-13801-060) released with following improvements:
Auto-center trigger level to the middle of signal amplitude when trigger level is focused and OK button is held down for 2 seconds. This is useful for quickly stabilize waveform display. (Thank Gabriel S. for the suggestion!)
Auto-center horizontal position when horizontal position is focused and OK button is held down for 2 seconds. (Thank Gabriel S. for the suggestion!)
Restore factory default settings when "+" and "-" buttons are held down simultaneously for 2 seconds.
Improved frequency measurement by using average voltage level (instead of true 0V level which was used in previous versions) as cycle counting reference.
Fixed a bug in trigger level readout error. In previous versions trigger level readout displayed wrong value after VPos alignment was performed.
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