1. Вступ
The Rigol DS2302A is a high-performance digital oscilloscope designed for precise signal analysis and measurement. It features a 300 MHz bandwidth, 2 analog channels, a 2 GSa/s real-time sampling rate, and a deep memory depth of 56 Mpts. This manual provides essential information for setting up, operating, and maintaining your DS2302A oscilloscope.
Малюнок 1.1: Спереду view of the Rigol DS2302A Digital Oscilloscope, showing the display, control panel, and input channels.
2. Ключові характеристики
The DS2302A incorporates several advanced features to enhance measurement capabilities and user experience:
- High Bandwidth and Sampлінг -курс: 300 MHz analog bandwidth and 2 GSa/s real-time sampling rate for capturing fast signals.
- Глибока глибина пам'яті: Up to 56 Mpts memory depth allows for longer waveform captures with high resolution.
- UltraVision Technology: Features like multi-level intensity grading display (up to 256 levels) and real-time ceaseless waveform recording, playback, and analysis functions.
- Розширене запуск: Supports various trigger types including Edge, Pulse, Runt, Windows, Nth Edge, Slope, Video, Pattern, Delay, Timeout, Duration, Setup/Hold, RS232, I2C, SPI, and CAN.
- Декодування послідовної шини: Built-in decoding functions for common serial protocols such as Parallel, RS232, I2C, SPI, and CAN.
- Великий дисплей: An 8-inch display provides clear viewing of waveforms and measurement data.
- Built-in 50Ω Adapters: Improves signal integrity for higher speed signals.
Відео 2.1: Кінецьview of the Rigol DS2000 Series Digital Oscilloscopes, highlighting key features such as large display, high sampling rate, deep memory, and advanced triggering and decoding capabilities.
Figure 2.1: The oscilloscope display demonstrating its wide vertical range (500 µV/div to 10 V/div) and low noise floor, which is beneficial for capturing small signals accurately.
Figure 2.2: Illustration of the UltraVision deep memory feature, allowing for up to 56 Mpts of memory depth on analog channels for extended waveform capture.
Figure 2.3: The oscilloscope's display showcasing the UltraVision technology's high waveform capture rate of up to 52,000 waveforms per second, enabling the observation of transient events.
3. Налаштування
Follow these steps to set up your Rigol DS2302A oscilloscope:
- Розпакування: Carefully remove the oscilloscope and all accessories from its packaging. Inspect for any signs of damage.
- Підключення живлення: Connect the provided power cable to the power input on the rear panel of the oscilloscope and then to a suitable AC power outlet.
- Початкове ввімкнення: Press the power button on the front panel to turn on the oscilloscope. Allow a few moments for the system to boot up.
- Підключення зонда: Connect the oscilloscope probes to the BNC input connectors (CH1, CH2) on the front panel. Ensure a secure connection.
- Заземлення: Always ensure the oscilloscope is properly grounded to prevent electrical shock and ensure accurate measurements.
Figure 3.1: The packaging box for the Rigol DS2302A oscilloscope, indicating proper handling and recycling symbols.
4. Інструкція з експлуатації
This section covers basic operation and common functions of the DS2302A oscilloscope.
4.1. Базове відображення форми хвилі
- Вертикальні елементи керування: Use the vertical position and scale knobs for each channel (CH1, CH2) to adjust the vertical position and voltage per division of the waveform.
- Горизонтальні елементи керування: Use the horizontal position and scale knobs to adjust the time base and horizontal position of the waveform.
- Автоматична кнопка: Натисніть АВТО button for automatic setup of vertical, horizontal, and trigger systems to display a stable waveform.
4.2. Trigger Functions
The oscilloscope offers various trigger modes to stabilize and capture specific events.
- Тригер на краю: Тригери спрацьовують по наростаючому або спадаючому фронту сигналу.
- Імпульсний тригер: Triggers on pulses of specific width or polarity.
- Serial Bus Triggering: Utilize dedicated trigger types for serial protocols like I2C, SPI, and CAN to isolate specific data packets or events.
Figure 4.1: The oscilloscope's trigger menu, illustrating the wide array of trigger functions available, including Runt, Setup/Hold, and Nth Edge, for precise signal capture.
4.3. Serial Bus Decoding
The DS2302A can decode and display data from various serial buses.
- Accessing Decode: Перейдіть до Декодувати menu to select the desired protocol (e.g., RS232, I2C, SPI, CAN).
- Конфігурація: Configure the bus parameters such as clock source, data lines, and bit rates as required by your specific bus.
- Viewing Decoded Data: The decoded data will be displayed on the screen, often in a tabular or packet-based format, alongside the analog waveforms.
Figure 4.2: The oscilloscope's display demonstrating its serial bus trigger and decoding functions for protocols like RS232, I2C, SPI, and CAN, showing both the analog signal and the decoded data.
4.4. Waveform Recording and Analysis
Utilize the UltraVision features for in-depth waveform analysis.
- Запис: Access the recording function to capture long durations of waveform data into the deep memory.
- Відтворення: Review recorded waveforms frame by frame or continuously to identify anomalies.
- Аналіз: Apply various measurement and analysis tools to the recorded data for detailed characterization.
Figure 4.3: The oscilloscope's display showcasing UltraVision's real-time ceaseless waveform recording, playback, and analysis functions, allowing users to capture and examine transient events.
5. Технічне обслуговування
Правильне обслуговування забезпечує довговічність та точність вашого осцилографа.
- Прибирання: Use a soft, dry cloth to clean the exterior of the instrument. For stubborn dirt, a slightly damp Можна використовувати тканину з м’яким миючим засобом. Уникайте абразивних засобів для чищення або розчинників.
- Вентиляція: Ensure the ventilation openings on the instrument are clear and unobstructed to prevent overheating.
- Зберігання: When not in use, store the oscilloscope in a clean, dry environment away from direct sunlight and extreme temperatures.
- Догляд за зондом: Handle oscilloscope probes with care. Avoid bending or stressing the probe tips. Store them properly to prevent damage.
6. Вирішення проблем
This section addresses common issues you might encounter with your DS2302A oscilloscope.
| проблема | Можлива причина | Рішення |
|---|---|---|
| Після включення живлення дисплей відсутній | Power cable not connected; Power switch off; Fuse blown | Check power cable connection; Ensure power switch is ON; Replace fuse (refer to back panel for fuse specifications). |
| Не відображається хвиля | Зонд не підключено; вхідний сигнал занадто малий/великий; неправильні налаштування запуску | Connect probe securely; Adjust vertical scale (Volts/Div); Press AUTO button or adjust trigger level/mode. |
| Нестабільна форма хвилі | Incorrect trigger source/mode/level; Signal noise | Verify trigger settings; Adjust trigger level; Use averaging acquisition mode to reduce noise. |
7. Технічні характеристики
Detailed technical specifications for the Rigol DS2302A Digital Oscilloscope:
| Особливість | Специфікація |
|---|---|
| Аналогова пропускна здатність | 300 МГц |
| Кількість аналогових каналів | 2 |
| Max. Real-time Sample Rate | 2 GSa/s (single channel), 1 GSa/s (dual channel) |
| Максимальна глибина пам'яті | 56 Mpts (single channel), 28 Mpts (dual channel) |
| Max. Waveform Capture Rate | 50,000 XNUMX wfms/s |
| Розміри продукту | 14.17 x 7.09 x 5.12 дюймів |
| Вага товару | 8.36 фунта |
| Виробник | РІГОЛЬ |
| Номер моделі товару | DS2302A |
8. Гарантія та підтримка
For warranty information, technical support, or any further inquiries regarding your Rigol DS2302A Digital Oscilloscope, please contact Rigol directly.
You can also visit the official Rigol North America website for more details and resources: www.rigolna.com





