0459: Tutorial oscilloscopio - RIGOL DS1054Z

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In questo video utilizzo l'oscilloscopio RIGOL modello DS1054 Z, che è un oscilloscopio 4 canali, con banda passante analogica di 50MHz, , sample rate di 1G/s e profondità di memoria 24M e che ritengo essere il miglior compromesso qualità/prezzo per un oscilloscopio entry level, adatto a chi deve iniziare a sperimentare e non vuole spendere delle cifre proibitive. La prima parte del video descrive il principio di misura e tutte le funzionalità dell'oscilloscopio, con spiegazione di ogni funzione e valutazione delle prestazioni dell'oscilloscopio. La seconda parte è un tutorial di base con uso pratico per l'acquisizione di segnali, generati esternamente da un generatore di funzioni, con spiegazione dell'uso della scala verticale, orizzontale, delle funzionalità di trigger e misura.

►Caratteristiche tecniche:
Analog channel bandwidth: 50 MHz (espandibile a 100MHz gratuitamente)
4 analog channels, 16 digital channels (only available for DS1000Z Plus
that has been upgraded with the MSO upgrade option)
Real-time sample rate up to 1 GSa/s
Memory depth up to 24 Mpts
Up to 30,000 wfms/s waveform capture rate
Up to 60,000 frames hardware real-time waveform recording and
playback functions
Innovative "UltraVision" technology
Various trigger and bus decoding functions
Low noise floor, vertical scale range: 1 mV/div to 10 V/div
Built-in dual-channel 25 MHz function/arbitrary waveform generator
(only for digital oscilloscope with source channels)
Various interfaces: USB Host&Device, LAN (LXI), AUX
Compact size, light weight, easy to use
7 inch WVGA (800x480) TFT LCD, intensity graded color display
►Sample Mode Real-time sample
Real-time Sample Rate
Analog channel:
1 GSa/s (single-channel),
500 MSa/s (dual-channel), 250 MSa/s (three/four-channel)
Digital channel:
1 GSa/s (8-channel), 500 MSa/s (16-channel)
Peak Detect Analog channel: 4 ns
Digital channel: 4 ns
Averaging After all the channels finish N samples at the same time, N can be 2, 4, 8, 16, 32, 64, 128, 256, 512 or 1024.
High Resolution 12 bit (max.)
Interpolation Sin(x)/x (optional)
Minimum Detect Pulse Width Digital channel: 10 ns
Memory Depth
Analog channel:
24 Mpts (single-channel), 12 Mpts (dual-channel), 6 Mpts (three/four-channel)
Digital channel:
24 Mpts (8-channel), 12 Mpts (16-channel)
►Input
Number of Channels 4 analog channels, 16 digital channels available after upgrade
Input Coupling DC, AC or GND
Input Impedance Analog channel: (1 MΩ±1%) || (15 pF±3 pF)
Digital channel: (100 kΩ±1%) || 8 pF±3 pF)
Probe Attenuation
Coefficient Analog channe: 0.01X to 1000X, in 1-2-5 step
Maximum Input Voltage
(1 MΩ)
Analog channel:
CAT I 300 Vrms, CAT II 100 Vrms, transient overvoltage 1000 Vpk
Digital channel:
CAT I 40 Vrms, transient overvoltage 800 Vpk
►Horizontal
Timebase Scale 5 ns/div to 50 s/div
Maximum Record Length 24 Mpts
Timebase Accuracy[1] less ± 25 ppm
Clock Drift ≤ ± 5 ppm/year
Maximum Delay Range Negative delay: 1/2 (Memory Depth/Sample Rate)
Positive delay: 1 s to 500 s
Timebase Mode YT, XY, Roll
Number of X-Ys 1
Waveform Capture Rate[2] 30,000 wfms/s (dots display)
Zero Offset ±0.5div*minimum time base scale
►Vertical
Bandwidth (-3dB)
DS1054Z: DC to 50 MHz
Single-shot Bandwidth
DS1054Z: DC to 50 MHz

#strumenti #elettronica #oscilloscopi
Vertical Resolution Analog channel: 8 bits
Digital channel: 1 bit
Vertical Scale
(Probe ratio is 1X) 1 mV/div to 10 V/div
Offset Range
(Probe ratio is 1X)
1 mV/div to 499 mV/div: ± 2 V
500 mV/div to 10 V/div: ± 100 V
Bandwidth Limit[1] 20 MHz
Low Frequency Response
(AC coupling, -3dB) less 5 Hz (on BNC)
Calculated Rise Time
DS1054Z: 7 ns
DC Gain Accuracy less 10 mV: ±4% full scale
greater 10 mV: ±3% full scale
DC Offset Accuracy ±0.1 div ± 2 mV ± 1% offset
Channel to Channel Isolation DC to maximum bandwidth: greater 40 dB