1. Introducció
This manual provides instructions for the safe and effective operation of the OWON ADS824A Digital Oscilloscope. The ADS824A is a 200MHz, 4-channel, 12-bit digital oscilloscope designed for high-precision testing. It features a 1.25GSa/s real-time sampling rate and a 50M storage depth, making it suitable for signal integrity verification, circuit fault identification, digital circuit design, debugging, and automotive electronics testing. This device integrates an oscilloscope, frequency counter, voltmeter, and FFT spectrum analyzer into a single unit.
2. Producte acabatview
2.1 Característiques clau
- 200MHz bandwidth with four analog channels.
- 1.25GSa/s real-time sampling rate and 50M storage depth.
- Up to 700,000wfms/s waveform refresh rate.
- 12-bit vertical resolution (4096 levels) for capturing microvolt-level signal fluctuations.
- Integrated functions: oscilloscope, frequency counter, voltmeter, and FFT spectrum analyzer.
- Supports 43 automatic measurements with advanced math functions and a built-in glossary.
- 7-inch multi-touch TFT-LCD display.
- Communication interfaces: HDMI, USB device, USB Host, Trig Out(P/F), LAN.
- Supports various triggering modes including edge, video, pulse width, slope, Nth edge, and logic.
- Includes 2-channel hardware decoding for RS-232/UART, I2C, SPI, CAN, and LIN protocols.
2.2 Què hi ha a la caixa
The OWON ADS824A package typically includes:
- OWON ADS824A Digital Oscilloscope Unit
- Adaptador d'alimentació
- Manual d'usuari
- Cable USB
2.3 Sobrepassament físicview
Figura 2.3.1: Frontal view of the OWON ADS824A Digital Oscilloscope, showing the display and control panel.
Figure 2.3.2: Front panel highlighting key specifications such as 4 channels, 1.25GSa/s, 200MHz bandwidth, and 700,000 wfms/s refresh rate.
Figura 2.3.3: Primer pla view of the control knobs for horizontal and vertical adjustments.
Figure 2.3.4: Rear panel showing the LAN, USB Device, HDMI, and USB-C Power interfaces.
Figure 2.3.5: Top and rear view illustrating the overall dimensions and port layout.
3. Configuració
3.1 Connexió d'alimentació
- Connect the provided power adapter to the USB-C Power interface on the rear panel of the oscilloscope.
- Connecteu l'adaptador de corrent a una presa de corrent de CA adequada.
- Premeu el botó d'engegada situat al panell frontal per encendre el dispositiu.
3.2 Connexió de la sonda
- Connect the BNC connector of the oscilloscope probe to one of the four input channels (CH1-CH4) on the front panel.
- Ensure the probe's ground clip is securely connected to the ground reference of the circuit under test.
- Attach the probe tip to the test point on the circuit.
4. Instruccions de funcionament
4.1 Funcionament bàsic
The ADS824A features a 7-inch multi-touch display for intuitive control.
Figure 4.1.1: The 7-inch multi-touch TFT-LCD display allows for direct interaction with the waveform and menu settings.
- Encès/apagat: Premeu el botó d'engegada del panell frontal.
- Navegació: Use the multi-touch screen or the physical control knobs to navigate menus and adjust settings.
- Autoset: Press the 'Autoset' button to automatically adjust horizontal and vertical settings for optimal waveform display.
4.2 Waveform Display and Control
- Controls horitzontals: Adjust the time base (s/div) and horizontal position using the dedicated knobs.
- Controls verticals: Ajusteu el voltage scale (V/div) and vertical position for each channel using their respective knobs.
- Zoom: The device supports zoom windows for detailed waveform analysis.
Figure 4.2.1: Illustration of the waveform capture rate, showing the ability to display complex signals effectively.
4.3 Funcions de mesura
The ADS824A offers extensive measurement capabilities:
- Auto Measurements: Access 43 automatic measurement functions. A built-in glossary assists in understanding technical terms for quick setup.
- Parametric Statistics: Supports measurement indicators and cursor gating for detailed analysis.
- Cursor Gating: Utilize visual indicators and zoom windows for precise cursor measurements in FFT and XY modes.
Figure 4.3.1: Display showing the interface for 43 auto measurements and the technical terms glossary.
Figure 4.3.2: Screen views demonstrating parametric statistics and cursor gating with visual indicators.
4.4 Activació
The oscilloscope supports various triggering options to capture specific events:
- Trigger Types: Edge, Video, Pulse Width, Slope, Nth Edge, Logic, Under-amplitude, Over-amplitude, and Timeout.
- Configuració: Access trigger settings via the dedicated 'Trigger' button or on-screen menu.
Figure 4.4.1: Interface showing advanced triggering options and hardware decoding capabilities.
4.5 Funcions avançades
- FFT Spectrum Analyzer: Perform 1M-point FFT analysis for accurate frequency component display.
- Digital Voltmeter (DVM): Integrated 4-digit voltmeter for ACrms, DC, and AC+DCrms measurements.
- Comptador de freqüència: Integrated 6-digit digital frequency counter.
- Protocol Decoding: Supports 2-channel hardware decoding for common serial protocols including RS-232/UART, I2C, SPI, CAN, and LIN.
- Alta resolució: The 12-bit vertical resolution (4096 levels) allows for capturing minute signal fluctuations, crucial for power ripple and noise analysis.
Figure 4.5.1: Display illustrating the FFT spectrum analysis and 256-level grayscale display features.
Figure 4.5.2: Screen views demonstrating 50Mpts storage depth settings, 4-digit voltmeter, and 6-digit frequency counter.
Figure 4.5.3: Comparison illustrating the enhanced detail provided by the 12-bit high-resolution display compared to a standard oscilloscope.
4.6 Connectivitat de dispositius externs
The ADS824A supports various external devices:
- Amfitrió USB: Connect a mouse or keyboard for enhanced control and efficiency.
- Dispositiu USB: Connect to a computer for data transfer or remote control.
- LAN: For wired network connections and Web Control functionality.
- HDMI: Connect to an external display for extended or mirrored viewing.
5. Manteniment
5.1 Neteja
Per mantenir el rendiment i l'aspecte del dispositiu:
- Netegeu l'exterior amb un suau, damp tela.
- Avoid using abrasive cleaners or solvents that may damage the casing o pantalla.
- Ensure no liquids enter the device openings.
5.2 Emmagatzematge
When not in use, store the oscilloscope in a clean, dry environment away from direct sunlight and extreme temperatures.
5.3 Cura de la bateria
The ADS824A includes a built-in lithium battery for portability. Proper battery care ensures longevity:
- Carregueu la bateria completament abans del primer ús.
- Eviteu descarregar completament la bateria amb freqüència.
- If storing for extended periods, charge the battery to approximately 50% and recharge every few months.
- The built-in battery helps avoid issues caused by ground loops, providing a safe floating ground for measurements.
Figure 5.3.1: Information regarding the built-in lithium battery, emphasizing portability and ground loop avoidance.
6. Solució De Problemes
This section addresses common issues you might encounter with the OWON ADS824A oscilloscope.
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power adapter not connected or faulty; battery discharged. | Check power connections. Ensure adapter is working. Charge the battery. |
| No es mostra cap forma d'ona | Probe not connected; signal too small/large; incorrect trigger settings. | Verify probe connection. Adjust vertical scale (V/div). Press 'Autoset'. Check trigger level and mode. |
| Unstable waveform | Nivell o mode de disparador incorrecte; senyal sorollós. | Adjust trigger level. Change trigger mode. Use averaging acquisition mode. |
| La pantalla no respon | Error temporal de programari. | Reinicieu el dispositiu. Si el problema persisteix, contacteu amb l'assistència tècnica. |
7. Especificacions
Detailed technical specifications for the OWON ADS824A Digital Oscilloscope.
Figure 7.1.1: Table detailing key oscilloscope specifications including bandwidth, sampling rate, and vertical resolution.
| Paràmetre | Valor |
|---|---|
| Ample de banda | 200 MHz |
| Canals | 4 |
| SampTarifa ling | 1.25 GSa/s (Real-time) |
| Max. Waveform Capture Rate | 700,000 wfms/s |
| Max Memory Depth | 50 Mpts |
| Resolució vertical | 12 bits |
| Vertical Sensitivity Range | 500 uV/div - 10 V/div |
| Impedància d'entrada | 1 MΩ±2%, parallel with 20 pF±5 pF |
| Interval de base de temps | 1 ns/div - 1000 s/div |
| Precisió de la base de temps | ±(0.01% + 0.1tdv) |
| Bus Decoding | RS232/UART, I2C, SPI, CAN, LIN |
| Acoblament d'entrada | CC, CA, Terra |
| Dimensions del producte | 10.25 x 3.07 x 6.3 polzades |
| Pes de l'article | 3.3 lliures |
8. Garantia i Suport
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official OWON weblloc web. Les dades de contacte del servei d'atenció al client solen estar disponibles a la pàgina d'assistència del fabricant.
