OWON ADS824A 200MHz 4-Channel Digital Oscilloscope User Manual

1. Introdución

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. Produto rematadoview

2.1 Características principais

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 Que hai na caixa

The OWON ADS824A package typically includes:

OWON ADS824A Digital Oscilloscope Unit
Adaptador de alimentación
Manual de usuario
Cable USB

2.3 Sobrecarga físicaview

Figura 2.3.1: Fronte view of the OWON ADS824A Digital Oscilloscope, showing the display and control panel.

OWON ADS824A Front Panel with Key Specifications

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.

Imaxe 2.3.3: Primeiro plano 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.

OWON ADS824A Top and Rear View con dimensións

Figura 2.3.5: Parte superior e traseira view illustrating the overall dimensions and port layout.

3. Configuración

3.1 Conexión de alimentación

Connect the provided power adapter to the USB-C Power interface on the rear panel of the oscilloscope.
Conecte o adaptador de corrente a unha toma de corrente alterna axeitada.
Preme o botón de acendido situado no panel frontal para acender o dispositivo.

3.2 Conexión da 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. Instrucións de funcionamento

4.1 Funcionamento básico

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.

Encendido/apagado: Preme o botón de acendido no panel frontal.
Navegación: Use the multi-touch screen or the physical control knobs to navigate menus and adjust settings.
Configuración automática: Press the 'Autoset' button to automatically adjust horizontal and vertical settings for optimal waveform display.

4.2 Waveform Display and Control

Controis horizontais: Adjust the time base (s/div) and horizontal position using the dedicated knobs.
Controis verticais: Axuste o voltage scale (V/div) and vertical position for each channel using their respective knobs.
Zoom: The device supports zoom windows for detailed waveform analysis.

OWON ADS824A Waveform Capture Rate Display

Figure 4.2.1: Illustration of the waveform capture rate, showing the ability to display complex signals effectively.

4.3 Funcións de medición

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.

OWON ADS824A Auto Measurements and Glossary

Figure 4.3.1: Display showing the interface for 43 auto measurements and the technical terms glossary.

OWON ADS824A Parametric Statistics and Cursor Gating

Figura 4.3.2: Pantalla views demonstrating parametric statistics and cursor gating with visual indicators.

4.4 Disparación

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.
Configuración: Access trigger settings via the dedicated 'Trigger' button or on-screen menu.

OWON ADS824A Advanced Triggering and Hardware Decoding

Figure 4.4.1: Interface showing advanced triggering options and hardware decoding capabilities.

4.5 Funcións avanzadas

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.
Contador de frecuencia: 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 resolución: The 12-bit vertical resolution (4096 levels) allows for capturing minute signal fluctuations, crucial for power ripple and noise analysis.

OWON ADS824A Multi-Function Digital Phosphor Oscilloscope with FFT and Grayscale Display

Figure 4.5.1: Display illustrating the FFT spectrum analysis and 256-level grayscale display features.

OWON ADS824A Storage Depth, Voltmeter, and Frequency Counter

Figura 4.5.2: Pantalla views demonstrating 50Mpts storage depth settings, 4-digit voltmeter, and 6-digit frequency counter.

OWON ADS824A 12-bit High-Resolution Oscilloscope Comparison

Figure 4.5.3: Comparison illustrating the enhanced detail provided by the 12-bit high-resolution display compared to a standard oscilloscope.

4.6 Conectividade de dispositivos externos

The ADS824A supports various external devices:

Host USB: Connect a mouse or keyboard for enhanced control and efficiency.
Dispositivo 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. Mantemento

5.1 Limpeza

Para manter o rendemento e a aparencia do dispositivo:

Limpe o exterior cun suave, damp pano.
Avoid using abrasive cleaners or solvents that may damage the casing ou pantalla.
Ensure no liquids enter the device openings.

5.2 Almacenamento

Cando non estea en uso, garde o osciloscopio nun ambiente limpo e seco, lonxe da luz solar directa e de temperaturas extremas.

5.3 Coidado coa batería

The ADS824A includes a built-in lithium battery for portability. Proper battery care ensures longevity:

Cargue a batería completamente antes do primeiro uso.
Evite descargar completamente a batería con frecuencia.
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.

OWON ADS824A Built-in Lithium Battery Benefits

Figure 5.3.1: Information regarding the built-in lithium battery, emphasizing portability and ground loop avoidance.

6 Solución de problemas

This section addresses common issues you might encounter with the OWON ADS824A oscilloscope.

Problema	Causa posible	Solución
Sen poder	Power adapter not connected or faulty; battery discharged.	Check power connections. Ensure adapter is working. Charge the battery.
Non se mostra ningunha forma de onda	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.
Forma de onda inestable	Incorrect trigger level or mode; noisy signal.	Adjust trigger level. Change trigger mode. Use averaging acquisition mode.
A pantalla non responde	Fallo temporal do software.	Reinicia o dispositivo. Se o problema persiste, ponte en contacto co servizo de asistencia.

7. Especificacións

Detailed technical specifications for the OWON ADS824A Digital Oscilloscope.

OWON ADS824A Oscilloscope Specifications Table

Figure 7.1.1: Table detailing key oscilloscope specifications including bandwidth, sampling rate, and vertical resolution.

Parámetro	Valor
Ancho de banda	200 MHz
Canles	4
Samptaxa de ling	1.25 GSa/s (Real-time)
Velocidade máxima de captura de forma de onda	700,000 wfms/s
Max Memory Depth	50 Mpts
Resolución vertical	12 bits
Rango de sensibilidade vertical	500 uV/div - 10 V/div
Impedancia de entrada	1 MΩ±2%, parallel with 20 pF±5 pF
Intervalo de base de tempo	1 ns/div - 1000 s/div
Precisión da base de tempo	±(0.01% + 0.1tdv)
Bus Decoding	RS232/UART, I2C, SPI, CAN, LIN
Acoplamento de entrada	DC, AC, Ground
Dimensións do produto	10.25 x 3.07 x 6.3 polgadas
Peso do elemento	3.3 libras

8. Garantía e soporte

For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official OWON websitio. Os datos de contacto do servizo de atención ao cliente adoitan estar dispoñibles na páxina de soporte do fabricante.

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OWON ADS824A