FNIRSI® DSO-153 2-IN-1 Mini 1MHz 5MS/s Digital Oscilloscope Waveform Generator
Product Description
The FNIRSI® DSO-153 is a compact 2-in-1 handheld testing instrument that combines a digital oscilloscope and a DDS function signal generator. Designed for basic electronics testing, routine maintenance, and educational applications, it provides essential waveform measurement and signal generation capabilities in one portable device.
The oscilloscope features a 1MHz bandwidth and a 5MS/s real-time sampling rate, with a single input channel for observing and analyzing periodic analog signals and non-periodic digital signals. It includes Auto, Normal, and Single trigger modes, AC/DC coupling, and an automatic waveform configuration function that helps users display signals quickly.
The integrated DDS signal generator supports 14 waveform types with an adjustable output frequency of up to 10kHz. Users can adjust the output amplitude and duty cycle according to their testing requirements.
Featuring a 2.8-inch LCD screen, a built-in 1000mAh rechargeable lithium battery, and a lightweight handheld design, the DSO-153 is a practical entry-level instrument for students, electronics hobbyists, and technicians.
Key Features
- 2-in-1 Functionality: Combines a digital oscilloscope and DDS waveform generator in one handheld device.
- 1MHz Oscilloscope Bandwidth: Suitable for basic electronic signal observation and testing.
- 5MS/s Real-Time Sampling Rate: Captures input waveforms at up to 5 million samples per second.
- Single-Channel Input: Provides one oscilloscope measurement channel.
- 14 DDS Waveforms: Generates 14 different signal types for circuit testing and demonstrations.
- Up to 10kHz Signal Generation: Adjustable generator frequency from 0Hz to 10kHz.
- Adjustable Signal Output: Supports output amplitude adjustment from 0.1V to 3.3V and duty-cycle adjustment for specified waveforms.
- One-Click AUTO Function: Automatically configures the display to help users view measured waveforms without complicated manual adjustments.
- Multiple Trigger Modes: Supports Auto, Normal, and Single triggering, with rising-edge and falling-edge selection.
- AC/DC Coupling: Allows selection of AC or DC input coupling.
- 2.8-Inch LCD Display: Features a 320 × 240 pixel screen.
- Built-In Rechargeable Battery: Includes a 1000mAh lithium battery with approximately 4 hours of operating time per charge, as specified by the manufacturer.
- Compact and Lightweight: Measures approximately 99 × 68.3 × 19.5mm and weighs around 100g.
Technical Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Brand | FNIRSI |
| Model | DSO-153 |
| Version | Standard |
| Product Type | 2-in-1 Digital Oscilloscope and DDS Waveform Generator |
| Display Type | 2.8-inch TFT LCD |
| Display Resolution | 320 × 240 pixels |
| Battery Type | Built-in Lithium Battery |
| Battery Capacity | 1000mAh |
| Charging Interface | USB Type-C |
| Charging Input | 5V / 1A |
| Languages | Chinese, English, Russian, Japanese, Spanish, Portuguese, German, Korean |
| Dimensions | 99 × 68.3 × 19.5mm |
| Weight | Approximately 100g |
Oscilloscope Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 1 |
| Analog Bandwidth | 1MHz |
| Real-Time Sampling Rate | 5MS/s |
| Vertical Sensitivity | 10mV/div – 10V/div |
| Time Base Range | 500ns/div – 20s/div |
| Time Base Adjustment | 1-2-5 Sequence |
| Input Voltage Range | X1: ±40V (80Vpp); X10: ±400V (800Vpp) |
| Trigger Modes | Auto / Normal / Single |
| Trigger Edge | Rising / Falling |
| Input Coupling | AC / DC |
| Automatic Configuration | One-Click AUTO Function |
DDS Signal Generator Specifications
| Parameter | Specification |
|---|---|
| Generator Type | DDS Function Signal Generator |
| Number of Waveforms | 14 |
| Frequency Range | 0–10kHz |
| Output Amplitude | 0.1–3.3V |
| Duty Cycle | 0–100% for Rectangular and Sawtooth Waves |
| Output Waveforms | Sine, Rectangular, Sawtooth, Half Wave, Full Wave, Step, Anti-Step, Noise, Exponential Rise, Exponential Drop, DC, Multi-Tone, Sink Pulse, Lorentz |
Operating Environment
| Parameter | Specification |
|---|---|
| Operating Temperature | -5°C to 40°C |
| Maximum Relative Humidity | 80% |
| Storage Conditions | Clean and dry environment, away from moisture, direct sunlight, and mechanical damage |
Applications
- Basic Electronics Testing: Observe and analyze low-frequency signals in electronic circuits.
- Electronics Repair and Maintenance: Assist with troubleshooting and routine testing of electronic equipment.
- Educational Laboratories: Demonstrate basic oscilloscope operation, waveform characteristics, and signal measurement.
- DIY Electronics Projects: Test circuits and observe signal behavior during prototyping.
- Signal Generation: Generate different waveform types for basic circuit testing and demonstrations.
- Analog and Digital Signal Observation: View periodic analog signals and non-periodic digital signals within the instrument's specifications.
- Hobbyist Electronics: Provide an affordable, portable testing solution for learning and basic electronics work.
Package Contents
Standard Package
- 1 × FNIRSI DSO-153 Oscilloscope
- 1 × Alligator Clip Probe
- 1 × Charging Cable
- 1 × Lanyard
- 1 × User Manual
- 1 × Color Packaging Box
Note: The Standard version does not include the P6100 high-voltage probe or its adapter. These are listed separately under the manufacturer's package configuration.
Frequently Asked Questions (FAQ)
1. What is the bandwidth of the FNIRSI DSO-153?
The DSO-153 features a 1MHz oscilloscope bandwidth and is designed for basic electronic signal measurement and testing.
2. What is the maximum sampling rate?
It supports a real-time sampling rate of up to 5MS/s.
3. How many oscilloscope channels does the DSO-153 have?
The DSO-153 has one oscilloscope input channel. It is not a dual-channel oscilloscope.
4. Does the DSO-153 include a signal generator?
Yes. It includes a built-in DDS function generator capable of generating 14 waveform types at frequencies up to 10kHz.
5. Can I adjust the signal generator output?
Yes. The output amplitude is adjustable from 0.1V to 3.3V. Duty-cycle adjustment from 0% to 100% is specified for rectangular and sawtooth waveforms.
6. What is the maximum input voltage of the oscilloscope?
According to the detailed specifications, the input range is ±40V with a 1X configuration and ±400V with a 10X probe configuration. Always observe the specified probe attenuation and voltage limits.
7. How long does the built-in battery last?
The device has a built-in 1000mAh lithium battery, with approximately 4 hours of operating time per charge according to the manufacturer.
8. Can I connect the DSO-153 to a computer to view waveforms?
No. According to the manufacturer's response on the product page, the DSO-153 does not support viewing waveforms on a PC.
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