1. Uvod
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. Proizvod je gotovview
2.1 Ključne karakteristike
- 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 Šta se nalazi u kutiji
The OWON ADS824A package typically includes:
- OWON ADS824A Digital Oscilloscope Unit
- Adapter za napajanje
- Uputstvo za upotrebu
- USB kabel
2.3 Fizički overview

Slika 2.3.1: Prednja strana 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.

Slika 2.3.3: Krupni plan 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.

Slika 2.3.5: Gornja i zadnja strana view illustrating the overall dimensions and port layout.
3. Podešavanje
3.1 Priključak za napajanje
- Connect the provided power adapter to the USB-C Power interface on the rear panel of the oscilloscope.
- Uključite adapter za napajanje u odgovarajuću AC utičnicu.
- Pritisnite dugme za napajanje koje se nalazi na prednjoj ploči da biste uključili uređaj.
3.2 Povezivanje sonde
- 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. Uputstvo za upotrebu
4.1 Osnovni rad
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.
- Uključivanje/isključivanje: Pritisnite dugme za napajanje na prednjoj ploči.
- Navigacija: 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
- Horizontalne kontrole: Adjust the time base (s/div) and horizontal position using the dedicated knobs.
- Vertikalne kontrole: Podesite jačinu zvukatage scale (V/div) and vertical position for each channel using their respective knobs.
- zumiranje: 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 Funkcije mjerenja
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.

Slika 4.3.2: Ekran views demonstrating parametric statistics and cursor gating with visual indicators.
4.4 Okidanje
The oscilloscope supports various triggering options to capture specific events:
- Vrste okidača: Edge, Video, Pulse Width, Slope, Nth Edge, Logic, Under-amplitude, Over-amplitude, and Timeout.
- Postavljanje: 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 Napredne funkcije
- 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.
- Brojač frekvencije: 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.
- visoka rezolucija: 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.

Slika 4.5.2: Ekran 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 Povezivanje eksternih uređaja
The ADS824A supports various external devices:
- USB domaćin: Connect a mouse or keyboard for enhanced control and efficiency.
- USB uređaj: Connect to a computer for data transfer or remote control.
- LAN: For wired network connections and Web Funkcionalnost kontrole.
- HDMI: Connect to an external display for extended or mirrored viewing.
5. Održavanje
5.1 Čišćenje
Da biste održali performanse i izgled uređaja:
- Obrišite spoljašnjost mekom krpom, damp tkanina.
- Avoid using abrasive cleaners or solvents that may damage the casing ili ekran.
- Ensure no liquids enter the device openings.
5.2 Skladištenje
When not in use, store the oscilloscope in a clean, dry environment away from direct sunlight and extreme temperatures.
5.3 Njega baterija
The ADS824A includes a built-in lithium battery for portability. Proper battery care ensures longevity:
- Prije prve upotrebe do kraja napunite bateriju.
- Izbjegavajte često potpuno pražnjenje baterije.
- 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. Otkrivanje problema
This section addresses common issues you might encounter with the OWON ADS824A oscilloscope.
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema struje | Power adapter not connected or faulty; battery discharged. | Check power connections. Ensure adapter is working. Charge the battery. |
| Nije prikazan talasni oblik | 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. |
| Nestabilan talasni oblik | Incorrect trigger level or mode; noisy signal. | Adjust trigger level. Change trigger mode. Use averaging acquisition mode. |
| Ekran ne reaguje | Privremeni softverski kvar. | Ponovo pokrenite uređaj. Ako problem i dalje postoji, kontaktirajte podršku. |
7. Specifikacije
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.
| Parametar | Vrijednost |
|---|---|
| Bandwidth | 200 MHz |
| Kanali | 4 |
| Sampling Rate | 1.25 GSa/s (Real-time) |
| Max. Waveform Capture Rate | 700,000 wfms/s |
| Max Memory Depth | 50 Mpts |
| Okomita rezolucija | 12 bita |
| Vertikalni raspon osjetljivosti | 500 uV/div - 10 V/div |
| Input Impedance | 1 MΩ±2%, parallel with 20 pF±5 pF |
| Time Base Range | 1 ns/div - 1000 s/div |
| Preciznost vremenske baze | ±(0.01% + 0.1tdv) |
| Dekodiranje sabirnice | RS232/UART, I2C, SPI, CAN, LIN |
| Input Coupling | DC, AC, Ground |
| Dimenzije proizvoda | 10.25 x 3.07 x 6.3 inča |
| Težina artikla | 3.3 funte |
8. Garancija i podrška
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official OWON webstranica. Kontakt podaci za korisničku podršku obično su dostupni na stranici za podršku proizvođača.