FNIRSI® DPOS350P 4-IN-1 350MHz 1GSPS Tablet Oscilloscope Signal Generator Spectrum Analyzer Frequency Response Analyzer
Product Description
The FNIRSI® DPOS350P is a multifunctional 4-in-1 electronic testing and signal analysis platform that combines a digital oscilloscope, DDS signal generator, spectrum analyzer, and frequency response analyzer in one portable tablet-style instrument. Designed for electronic engineers, R&D laboratories, circuit developers, and maintenance technicians, it provides comprehensive tools for waveform acquisition, signal generation, frequency-domain analysis, and electronic circuit characterization.
The integrated digital oscilloscope features a 350MHz analog bandwidth and a maximum real-time sampling rate of 1GSa/s, enabling users to capture and analyze high-frequency electronic signals. It provides a 47Kpts memory depth, digital triggering, and a waveform refresh rate of up to 50,000 waveforms per second, supporting detailed waveform observation and transient signal analysis.
Its advanced waveform visualization capabilities include digital phosphor display, grayscale and color temperature modes, XY display, FFT analysis, and adjustable waveform brightness. The instrument also supports high-resolution acquisition modes from 8-bit to 16-bit, helping users examine waveform details and low-level signal variations.
The built-in 50MHz DDS signal generator supports 14 standard waveform functions and captured waveform output. It provides an adjustable output amplitude of up to 5Vpp, adjustable DC offset from -2.5V to +2.5V, and duty cycle adjustment from 0.1% to 99.9%. Users can also capture and store custom waveforms for subsequent signal generation.
For frequency-domain analysis, the integrated spectrum analyzer covers 200kHz to 350MHz, using FFT conversion with selectable processing lengths from 4K to 32K. It supports frequency and amplitude cursor measurements, maximum-energy harmonic identification, and both 2D and 3D waterfall chart visualization, making it useful for RF signal analysis and EMI-related testing.
The frequency response analyzer provides frequency sweep analysis from 10Hz to 50MHz with the latest firmware. It supports adjustable excitation signal amplitude and offset, 20 to 500 excitation frequency points, and cursor measurements of frequency, gain, and phase. Single and cyclic operating modes, together with system calibration, provide additional flexibility for analyzing electronic circuit frequency response.
Featuring a 7-inch IPS capacitive touchscreen with a 1024 × 600 resolution, the DPOS350P provides a clear and intuitive interface for controlling its multiple measurement functions. Its A5-sized front panel and foldable rear stand make it convenient for desktop operation and portable testing.
The device incorporates an 8000mAh rechargeable lithium battery according to the detailed battery specifications, QC18W USB Type-C fast charging, and a USB data interface for waveform storage and export. It also includes a high-voltage protection system rated for up to 400V input, with additional protection features designed to improve measurement safety.
The FNIRSI DPOS350P provides an integrated testing solution for electronic development, RF signal investigation, circuit debugging, frequency response characterization, and laboratory measurement applications.
Key Features
- 4-in-1 Multifunctional Design: Combines a digital oscilloscope, DDS signal generator, spectrum analyzer, and frequency response analyzer.
- 350MHz Oscilloscope Bandwidth: Provides high-bandwidth waveform acquisition according to the manufacturer's single-channel specification.
- 1GSa/s Real-Time Sampling Rate: Supports high-speed waveform acquisition.
- 50,000 Waveforms/s Refresh Rate: Helps capture fast-changing and transient signal events.
- 47Kpts Memory Depth: Provides waveform acquisition memory for signal analysis.
- Advanced Waveform Resolution: Supports selectable high-resolution modes from 8-bit to 16-bit.
- 7-inch IPS Touchscreen: Features a 1024 × 600 resolution capacitive touchscreen.
- Digital Phosphor Display: Supports grayscale and color temperature visualization.
- Multiple Waveform Display Modes: Includes XY mode, digital phosphor display, and adjustable waveform brightness.
- Built-in FFT Analysis: Provides frequency-domain waveform analysis.
- 350MHz Spectrum Analyzer: Covers a frequency range of 200kHz to 350MHz.
- 2D and 3D Waterfall Charts: Visualizes frequency and signal amplitude variations.
- 50MHz DDS Signal Generator: Generates standard and custom waveforms with adjustable output parameters.
- 14 Standard Waveform Functions: Supports multiple waveform types and captured waveform output.
- Adjustable Generator Output: Provides up to 5Vpp amplitude and -2.5V to +2.5V offset adjustment.
- Adjustable Duty Cycle: Supports 0.1% to 99.9% duty cycle adjustment.
- Custom Waveform Generation: Supports storing up to 500 groups of captured waveforms.
- 50MHz Frequency Response Analyzer: Supports frequency response analysis from 10Hz to 50MHz with the latest firmware.
- Gain and Phase Measurements: Allows frequency, gain, and phase cursor measurements.
- 20–500 Sweep Points: Supports configurable excitation frequency counts.
- Single and Cyclic Analysis: Provides two frequency response analyzer operating modes.
- System Calibration: Supports calibration for frequency response and spectrum analysis functions.
- 400V Input Protection: Incorporates high-voltage protection rated for 400V input.
- Waveform Storage: Supports saving up to 500 waveform groups and 90 screenshots.
- USB Data Export: Allows stored waveform data to be transferred through the USB interface.
- 8000mAh Rechargeable Battery: Features a built-in lithium battery according to the detailed specifications.
- QC18W Fast Charging: Supports USB Type-C charging at 12V/1.5A.
- Portable Tablet Design: Features an A5-sized front panel and foldable rear stand.
- Multiple Operating Languages: Supports Chinese, English, Russian, and Portuguese.
Technical Specifications
Oscilloscope Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 2 Channels (Detailed Specifications) |
| Analog Bandwidth | 350MHz |
| Maximum Sampling Rate | 1GSa/s |
| Rise Time | 1ns |
| Memory Depth | 47Kpts |
| Input Impedance | 1MΩ / 14pF |
| Timebase Range | 5ns – 50s |
| Roll Timebase | 50ms – 50s |
| Vertical Sensitivity | 2mV – 20V (1X) |
| Vertical Range | 16mV – 160V (1X) |
| DC Accuracy | ±2% |
| Time Accuracy | ±0.01% |
| Input Coupling | AC / DC |
| Probe Attenuation | 1X / 10X / 100X |
| Hardware Bandwidth Limit | 150MHz / 20MHz |
| High-Resolution Mode | 8-bit – 16-bit |
| Automatic Measurement Parameters | 12 Types |
| Cursor Measurements | Time / Period / Frequency / Level / Voltage |
| Trigger Type | Digital Trigger |
| Trigger Channels | CH1 / CH2 |
| Trigger Modes | Auto / Single / Normal |
| Trigger Edges | Rising / Falling |
| Trigger Suppression | L1 / L2 / L3 |
| Trigger Level | Manual / Automatic 10% – 90% |
| Maximum Input Voltage | 400V (With 1X Probe, According to Manufacturer) |
| Screenshot Storage | Up to 90 Pictures |
| Waveform Storage | Up to 500 Groups |
| Simple FFT Display | Supported |
| Digital Phosphor Display | Supported |
| Color Temperature Display | Supported |
| XY Display Mode | Supported |
| Zoom Timebase | Supported |
| One-Key Automatic Adjustment | Supported |
| One-Key Zero Adjustment | Supported |
DDS Signal Generator Specifications
| Parameter | Specification |
|---|---|
| Generator Type | DDS Signal Generator |
| Standard Waveform Types | 14 |
| Additional Output | Captured Waveform |
| Maximum Sine Wave Frequency | 50MHz |
| Other Waveform Frequency Limits | Up to 10MHz / 5MHz / 3MHz, Depending on Waveform |
| Output Amplitude | 0 – 5Vpp |
| DC Offset | -2.5V to +2.5V |
| Duty Cycle | 0.1% – 99.9% |
| Frequency Resolution | 1Hz |
| Amplitude Resolution | 1mV |
| Offset Resolution | 1mV |
| Duty Cycle Resolution | 0.1% |
| Custom Captured Waveform Storage | Up to 500 Groups |
Frequency Response Analyzer Specifications
| Parameter | Specification |
|---|---|
| Analyzer Type | Frequency Response Analyzer |
| Excitation Signal Frequency | 10Hz – 50MHz (Latest Firmware) |
| Excitation Signal Amplitude | 0 – 5Vpp |
| Excitation Signal Offset | -2.5V to +2.5V |
| Excitation Frequency Points | 20 – 500 |
| Cursor Measurements | Frequency / Gain / Phase |
| Operating Modes | Single / Cyclic |
| System Calibration | Supported |
Spectrum Analyzer Specifications
| Parameter | Specification |
|---|---|
| Analyzer Type | FFT Spectrum Analyzer |
| Frequency Range | 200kHz – 350MHz |
| FFT Length | 4K / 8K / 16K / 32K |
| Signal Level Range | -60dBmV to +260dBmV |
| Cursor Measurements | Frequency / Amplitude |
| Maximum-Energy Harmonic Identification | Supported |
| Waterfall Chart | Supported |
| 3D Waterfall Chart | Supported |
| Automatic Adjustment | Supported |
| System Calibration | Supported |
Display and General Specifications
| Parameter | Specification |
|---|---|
| Display Size | 7 Inches |
| Display Technology | IPS |
| Display Resolution | 1024 × 600 Pixels |
| Touch Interface | Capacitive Touchscreen |
| Front Panel Design | A5-Sized |
| Rear Stand | Foldable |
| Battery Type | Rechargeable Lithium Battery |
| Battery Voltage | 3.7V |
| Battery Capacity | 8000mAh |
| Standby Time | Approximately 3 Hours |
| Total Power Consumption | 10W |
| Charging Standard | QC18W |
| Charging Input | 12V / 1.5A |
| Charging Interface | USB Type-C |
| Charging Time | Approximately 5 Hours (Detailed Specifications) |
| Power-on Configuration | 5 Preset Items |
| Automatic Shutdown | 15 Minutes – 1 Hour / Off |
| Cooling System | Air Cooling |
| USB Data Interface | Supported |
| Firmware Upgrade | ISO Image Upgrade |
| Operating Languages | Chinese / English / Russian / Portuguese |
| Dimensions | 190 × 128 × 37mm |
Applications
The FNIRSI DPOS350P integrates four electronic testing and analysis functions, making it suitable for a wide range of engineering, laboratory, and industrial applications:
- Electronic Circuit Development: Observe and analyze electronic waveforms during circuit design, prototyping, and development.
- Electronic Equipment Troubleshooting: Identify signal abnormalities and investigate circuit performance using oscilloscope and waveform analysis functions.
- RF Signal Analysis: Use the integrated spectrum analyzer to examine signal frequency components and amplitude within its specified 200kHz–350MHz range.
- EMI-Related Testing: Investigate frequency-domain signal components and potential electromagnetic interference using FFT and waterfall visualization.
- Frequency Response Testing: Evaluate electronic circuits by measuring gain and phase across a configurable frequency sweep.
- Amplifier Testing: Analyze frequency response characteristics and signal gain across different frequencies.
- Filter Characterization: Examine the frequency-dependent response of electronic filters and related circuits.
- Signal Generation and Testing: Generate standard and custom waveforms to test electronic circuits and evaluate their responses.
- Waveform Acquisition: Capture transient signals and analyze waveform characteristics using the 1GSa/s sampling rate.
- Electronic Research and Development: Support engineering experiments, circuit validation, and advanced signal measurements.
- Educational Laboratories: Provide an integrated platform for learning waveform analysis, frequency response, signal generation, and spectrum analysis.
- Portable Field Testing: Use the tablet-style design and rechargeable battery for electronic testing outside traditional laboratory environments.
Package Contents
According to the manufacturer's package list, the FNIRSI DPOS350P includes:
- 1 × FNIRSI DPOS350P Oscilloscope
- 1 × QC18W Fast Charger (US or EU Plug, Depending on Selection)
- 2 × 350MHz Oscilloscope Probes
- 1 × Storage Bag
- 1 × Alligator Clip
- 1 × USB Data Cable
- 1 × User Manual
- 1 × Packing Box
Frequently Asked Questions (FAQ)
1. What functions does the FNIRSI DPOS350P provide?
The FNIRSI DPOS350P is a 4-in-1 electronic testing platform that combines a digital oscilloscope, DDS signal generator, spectrum analyzer, and frequency response analyzer.
2. What is the bandwidth and sampling rate of the FNIRSI DPOS350P?
The oscilloscope provides a 350MHz analog bandwidth and a maximum real-time sampling rate of 1GSa/s, according to the manufacturer's specifications.
3. What is the maximum frequency of the built-in signal generator?
The DDS signal generator supports sine wave generation up to 50MHz. Other waveform types have different maximum frequency limits, specified as up to 10MHz, 5MHz, or 3MHz depending on the waveform.
4. What is the frequency range of the integrated spectrum analyzer?
The spectrum analyzer covers 200kHz to 350MHz and uses FFT processing with selectable lengths from 4K to 32K. It also supports frequency and amplitude cursor measurements and waterfall chart visualization.
5. What is the frequency range of the frequency response analyzer?
With the latest firmware, the frequency response analyzer supports excitation signal frequencies from 10Hz to 50MHz. It also provides frequency, gain, and phase cursor measurements.
6. Does the FNIRSI DPOS350P support custom waveform generation?
Yes. It supports 14 standard waveform functions and captured waveform output. Users can store up to 500 groups of captured waveforms for signal generation.
7. What display and battery does the FNIRSI DPOS350P have?
It features a 7-inch IPS capacitive touchscreen with a 1024 × 600 resolution. The detailed specifications list a built-in 3.7V, 8000mAh rechargeable lithium battery.
8. What accessories are included with the FNIRSI DPOS350P?
The package includes the instrument, two 350MHz oscilloscope probes, a QC18W fast charger, a storage bag, an alligator clip, a USB data cable, and a user manual.