# MDO-2104EX - 100MHz , 4-channel, Digital Storage Oscilloscope，Spectrum analyzer ,dual channel 25MHz AWG ,5,000 counts DMM and power supply

## One Oscilloscope ,Two Domains

MDO-2000E series is multi-functional mixed domain oscilloscope. The series includes two feature combinations : MDO-2000EG and MDO-2000EX. MDO-2000EG models have a built-in spectrum analyzer and a dual channel 25MHz arbitrary waveform generator and MDO-2000EX models feature a built-in a spectrum analyzer, arbitrary waveform generator, a 5,000 count DMM, and a 5V/1A power supply. The first of its kind, MDO-2000EX is the only oscilloscope to equip with a DMM and a power supply in the T&M industry.

While entering the spectrum mode, MDO-2000E series will display a full screen of frequency domain. Users can input Center frequency, Span, Start frequency, and Stop frequency based upon test requirements so as to rapidly and intuitively observe required frequency range that allows users to experience the user interface of a real spectrum analyzer. While observing frequency domain display, engineers can observe waveform characteristics, which are not easily to be seen from time domain waveforms, for instance, the harmonic composition of a waveform and the frequency characteristics of a modulation signal. Compared with oscilloscope' FFT, MDO-2000E series allows engineers to effectively conduct signal measurements on frequency domain.

Conventional DSO's FFT always calculates the entire signal bandwidth up to half the sampling rate (Fs). However, the insufficient calculation capability can't conduct FFT calculation with more points. Users can't have the signal's detailed frequency information due to the insufficient frequency resolution from the calculation result. Whereas MDO-2000E series analyzes signal spectrum of interest. Compared with oscilloscope' FFT, MDO-2000E series allows engineers to effectively conduct signal measurements on frequency domain. Right illustration shown the conventional DSO's FFT (above figure) VS. MDO-2000E's Spectrum analyzer (below figure).

MDO-2000E series frequency domain also includes Spectrum Trace Type settings (Normal, Max-hold, Min-hold, and Average)(Figure 1). Users can freely select various Spectrum Traces for simultaneous display. Detection method (Sample, +Peak, -Peak, and Average)(Figure 2) can be individually set for each Trace. Additionally, users, via Cursor, can manually mark the corresponding positions to reflect Frequency and Amplitude. The Search function can also be applied to log spectrum's Peak Table. Amplitude is displayed with dB and Marker can obtain measurement data. Users can use the Search function to search and mark the amplitude and frequency of spectrum signal. Search methods include Max. peak and threshold. Measurement results can be displayed and saved.(Figure 3)

Figure 1

Figure 2

Figure 3

Compared with the general spectrum analyzer, the spectrum function of MDO-2000E series can test below~9kHz signals, which is applicable to the frequency domain analysis of audio frequency and vibration. MDO-2000E series can also test the frequency domain signal with DC component without damaging the instrument. With respect to frequency domain waveform display, MDO-2000E series, featuring the same capability of a real-time spectrum analyzer, is faster than the general spectrum analyzer. Why? It is because MDO-2000E series utilizes digital circuit and software to calculate FFT. The general spectrum analyzer can only process the signal of a narrow frequency bandwidth at a time by frequency sweeping. Each sweeping will take several ms to dozens of ms. Hundreds and thousands of frequency sweepings are gathered to form a spectrum. Therefore, the displayed spectrum is not obtained at the same time. MDO-2000E series obtains spectrum display at the same time by utilizing digital circuit and software to calculate FFT that is faster than the frequency sweeping method. The FFT settings of oscilloscopes are based upon horizontal scale (sample rate) setting, which is totally different from the frequency range setting of MDO-2000E series. Most instruments will have insufficient frequency resolution due to insufficient FFT points while conducting spectrum measurement by FFT. Compared with the FFT of oscilloscopes, MDO-2000E series satisfies users with signal measurement requirements under 9kHz; a better setting interface, measurement resolution and measurements speed.

- 200/100/70MHz bandwidth selections ; 2 or 4 channels
- Real time sample rate for each channel is 1GSa/s (2 channel models)
- Maximum real time sample rate is 1GSa/s (4 channel models)
- Per Channel 10M memory depth and VPO waveform display technology
- Waveform update rate up to 120,000 wfms/s
- 8 “ WVGA TFT LCD display
- Maximum 1M FFT provides higher frequency domain resolution measurements
- High ,low and band pass filter functions
- 29,000 segmented memories and waveform search functions
- I2C/SPI/UART/CAN/LIN serial bus trigger and decoding function
- Data log function is able to track signal changes up to 1000 hours
- Network storage function
- Mask test function
- MDO-2000EG equips with a spectrum analyzer and a dual channel 25MHz AWG MDO-2000EX equips with a spectrum analyzer ; a dual channel 25MHz AWG; DMM and power supply.

Channels | 4ch |

Bandwidth | DC~100MHz |

(-3dB) | |

Rise time | 3.5ns |

Bandwidth Limit | 20MHz |

## Vertical Sensitivity

Resolution | 8 bit |

1mV~10V/div | |

Input Coupling | AC, DC, GND |

Input Impedance | 1MΩ// 16pF approx. |

DC Gain Accuracy | ±(3%)when 2mV/div or greater is selected |

±(5%)when 1mV/div is selected; | |

Polarity | Normal & Invert |

Maximum Input Voltage | 300Vrms, CAT I |

Offset Position Range | 1mV/div ~ 20mV/div : ±0.5V |

50mV/div ~ 200mV/div : ±5V | |

500mV/div ~ 2V/div : ±25V | |

5V~10V/div : ±250V | |

Waveform Signal Process | +, -, ×, ÷, FFT, User Defined Expression. |

FFT:1Mpts FFT:Spectral magnitude. Set FFT Vertical Scale to Linear RMS or dBV RMS, and FFT Window to Rectangular, Hamming, Hanning, or Blackman. |

## Trigger

Source | CH1 ,CH2, CH3, CH4, Line, EXT* |

*dual channel models only | |

Trigger Mode | Auto (supports Roll Mode for 100 ms/div and slower), Normal, Single Sequence |

Trigger Type | Edge, Pulse Width(Glitch), Video, Pulse Runt, Rise & Fall(Slope), Alternate,tme out, Event-Delay(1~65535 events), Time-Delay(Duration,4nS~10S), Bus |

Holdoff range | 4ns~10s |

Coupling | AC,DC,LF rej. ,HF rej. ,Noise rej. |

Sensitivity | 1div |

## External Trigger

Range | ±15V |

Sensitivity | DC ~ 100MHz Approx. 100mV |

100MHz ~ 200MHz Approx. 150mV | |

Input Impedance | 1MΩ±3%~16pF |

## Horizontal

Time base Range | 1ns/div ~ 100s/div (1-2-5 increments) |

ROLL: 100ms/div ~ 100s/div | |

Pre-trigger | 10 div maximum |

Post-trigger | 2,000,000 div maximum. |

Time base Accuracy | ±50 ppm over any ≥ 1 ms time interval |

Real Time Sample Rate | Max.:1GSa/s (4ch model) Per channel 1GSa/s (2ch model) |

Record Length | Per Channel 10M pts |

Acquisition Mode | Normal, Average, Peak Detect, Single |

Peak Detection | 2ns (typical) |

Average | selectable from 2 to 256 |

## X-Y Mode

X-Axis Input | Channel 1; Channel 3* |

*four channel models only | |

Y-Axis Input | Channel 2; Channel 4* |

*four channel models only | |

Phase Shift | ±3° at 100kHz |

## Cursors and Measurement

Cursors | Amplitude, Time, Gating available;Unit:Seconds(s),Hz(1/s) ,Phase(degree) ,Ration(%) |

Automatic Measurement | 38 sets: Pk-Pk, Max, Min, Amplitude, High, Low, Mean, Cycle Mean, RMS, Cycle RMS, Area, Cycle Area, ROVShoot, FOVShoot, RPREShoot, FPREShoot, Frequency, Period, RiseTime, FallTime, +Width, -Width, Duty Cycle, +Pulses, -Pulses, +Edges, -Edges, %Flicker ,Flicker Idx,FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF, Phase |

## Control Panel Function

Auto counter | 6 digits, range from 2Hz minimum to the rated bandwidth |

Autoset | Single-button, automatic setup of all channels for vertical, horizontal and trigger systems, with undo Autoset |

Save Setup | 20 sets |

Save Waveform | 24 sets |

## Display

TFT LCD Type | 8" TFT LCD WVGA color display |

Display Resolution | 800 horizontal × 480 vertical pixels (WVGA) |

Interpolation | Sin(x)/x |

Waveform Display | Dots, vectors, variable persistence (16ms~4s), infinite persistence |

Waveform Update Rate | 120,000 waveforms per second, maximum |

Display Graticule | 8 x 10 divisions |

Display mode | YT ;XY |

## Interface

USB Port | USB 2.0 High-speed host port X1, USB 2.0 High-speed device port X1 |

Ethernet(LAN) Port | RJ-45 connector, 10/100Mbps with HP Auto-MDIX |

Go-NoGo BNC | 5V Max/10mA TTL open collector output |

Kensington Style Lock | Rear-panel security slot connects to standard Kensington-style lock. |

## Spectrum Analyzer Specifications

Frequency range | DC~500MHz (Max. ,Max.bandwidth~500MHz uncalibrated) |

Span | 1kHz~500MHz(Max.) |

Resolution bandwidth | 1Hz ~ 500kHz(Max.) |

Reference level | -50 dBm to +40dBm in steps of 5dBm |

Vertical units | dBV RMS; Linear RMS; dBm |

Vertical position | -12divs to +12divs |

Vertical scale | 1dB/div to 20dB/div in a 1-2-5 Sequence |

Display average noise level | 1V/div < -50dBm, Avg : 16 100mV/div < -70dBm, Avg : 16 10mV/div < -90dBm, Avg : 16 |

Spurious response | 2nd harmonic distortion< 40dBc 3rd harmonic distortion< 45dBc |

Frequency domain trace types | Normal ; Max Hold ; Min Hold ; Average (2 ~ 256) |

Detection methods | Sample ; +Peak ; -Peak ; Average |

FFT Windows | FFT Factor : |

Hanning 1.44 | |

Rectangular 0.89 | |

Hamming 1.30 | |

Blackman 1.68 |

## AWG Specifications

Channels | 2 |

Sample Rate | 200 Msa/s |

Vertical Resolution | 14 bits |

Max. Frequency | 25 MHz |

Waveforms | Sine, Square, Pulse, Ramp, DC, Noise, Sinc, Gaussian, Lorentz, Exponential Rise, Exponential Fall, Haversine, Cardiac |

Output Range | 20 mVpp to 5 Vpp, HighZ;10 mVpp to 2.5 Vpp, 50 Ω |

Output Resolution | 1mV |

Output Accuracy | 2% (1 kHz) |

Offset Range | ±2.5 V, HighZ;±1.25 V, 50 Ω |

Offset Resolution | 1mV |

## Sine

Frequency Range | 100mHz to 25MHz |

Flatness | ±0.5 dB( relative to 1kHz) |

Harmonic Distortion | -40 dBc |

Stray (Non-harmonic) | -40 dBc |

Total Harmonic Distortion | 1% |

S/N Ratio | 40 dB |

## Square/Pulse

Frequency Range | 100 mHz to 15MHz |

Rise/Fall time | <15ns |

Overshoot | <3% |

Duty cycle | Square:50%;Pulse:0.4%~99.6% |

Min. Pulse Width | 30 ns |

Jitter | 500 ps |

## Ramp

Frequency Range | 100mHz~1MHz |

Linearity | 1% |

Symmetry | 0 to 100% |

## DMM Specifications (MDO-2000EX only)

DIGIT LEVEL |
5,000 counts |

CAT II 600Vrms, CAT III 300Vrms | |

DC VOLTAGE | 50mV, 500mV, 5V, 50V, 500V, 1000V 6 ranges |

Accuracy | 50mV, 500mV, 5V, 50V, 500V, 1000V ±(0.1% reading + 5 digits) |

Input Impedance | 10MΩ |

DC CURRENT | 50mA, 500mA, 10A 3 ranges |

Accuracy | 50mA - 500mA ±(0.5% reading + 0.05mA) 10A ±(0.5% reading + 50mA) |

AC VOLTAGE | 50mV, 500mV, 5V, 50V, 700V 5 ranges |

Accuracy | 50mV, 500mV, 5V, 50V, 700V ±(1.5% reading + 15 digits) at 50Hz-1kHz * Amplitude greater than 0.2% of the full scale reading. |

AC CURRENT | 50mA, 500mA, 10A 3 ranges |

Accuracy | 50mA, 500mA, ±(1.5% reading + 0.05mA) at 50Hz-1kHz 10A ±(3% reading + 50mA) at 50Hz-1kHz * Measure range: >10mA |

RESISTANCE | 500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 5 ranges |

Accuracy | 500Ω, 5kΩ, 50kΩ, 500kΩ ±(0.3% reading + 3 digits) 5MΩ ±(0.5% reading + 5 digits) |

## Power supply Specifications (MDO-2000EX only)

Output Channel | CH1 & CH2 |

Output voltage range | 1.0V~5.0V |

Output Current (Max.) | 1A |

Voltage Step | 0.1V Continuously Adjustable |

output Voltage Accuracy | ±3% |

Ripple and Noise | 50mVrms |

## Miscellaneous

Multi-language menu | Available |

operation environment | Temperature: 0°C to 50°C. Relative Humidity ≤ 80% at 40°C or below; ≤ 45% at 41°C ~ 50°C. |

On-line help | Available |

Time clock | Time and Date ,Provide the Date/Time for saved data |

Dimensions | 384mmX208mmX127.3mm |

Weight | 3kg |

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