MDO Mixed Domain Oscilloscope Technical Questions and Answers

An MDO mixed domain oscilloscope has three main elements:

First, time-related cross-domain analysis;

Second, broadband, high time precision modulation domain analysis;

Third, the five-in-one system.

Selected Questions and Answers

Q: What RF indicators can the MDO4000 test?

A: Power, OBW, ACPR, and spectrum.

Q: How do I output the measurement and analysis results of the MDO4000? What file format do I use?

A: Graph, waveform, CSV.

Q: What is the storage depth? Can it be increased?

Answer: The analog channel of the oscilloscope is 20M per channel and the RF channel is 1G.

Q: How many different serial interfaces can the MDO4000 support simultaneously?

Answer: The key depends on the number of buses. For buses less than four, four can be tested at the same time.

Q: What is the main difference between MSO and MDO?

Answer: MDO has an RF input interface and an integrated spectrum analyzer, which can perform time-frequency domain joint debugging.

Q: What is modulation domain analysis?

Answer: The amplitude, frequency and phase of the radio frequency change over time, and digital modulation and demodulation can be performed using vector analysis software.

Q: How many models of MSO are there?

Answer: There are more than 2000, 3000, 4000, and 5000 series. In each series, there are multiple models corresponding to the bandwidth and sampling rate.

Q: How many channels can the MDO4000 test at most?

A: There are 16 digital channels, 4 analog channels, and 1 RF channel, a total of 21 channels, all of which can be tested simultaneously.

Q: What are the benefits of adding the RF section to the test?

Answer: You can see how the RF signal changes with the baseband and control signals, and it is displayed completely synchronously.

Q: Does the 5-in-1 system have obvious advantages?

Answer: The most prominent advantage of MDO is cross-domain analysis, and the five-in-one system provides convenience for testers.

Q: What are the main application areas of the MDO4000 mixed domain oscilloscope?

Answer: Embedded RF system detection, broadband signal analysis, transient signal acquisition and analysis, etc.

Q: How do you deal with interference from the field when using a Tektronix oscilloscope?

Answer: MDO comes with a spectrum analyzer that can detect these interference problems across domains.

Q: How can I view a short-term spectrum using the MDO4000?

Answer: MDO has multiple trigger mechanisms. Once the trigger is set, the transient spectrum can be collected and analyzed.

Q: What trigger modes does an oscilloscope have?

Answer: The oscilloscope triggering modes include RF power triggering, combination triggering and so on.

Q: How can I use MDO to find EMI crosstalk in an embedded system circuit board? How can I more accurately identify the source of interference?

A: By using a near-field probe.

Q: What are the output methods for MDO4000 analysis results? Can they be exported?

A: Output modes include graph, CSV, waveform, RF IQ, etc. These can be directly stored to a USB drive.

Q: What are the main devices of MDO4000?

Answer: Oscilloscope + spectrum analyzer + logic analyzer + modulation domain analyzer + protocol analyzer.

Question: Can the MDO4000 oscilloscope be replaced by a normal oscilloscope?

Answer: The feature of MDO is cross-domain analysis, which cannot be replaced by ordinary oscilloscopes, but MDO can replace ordinary oscilloscopes (less than 1G bandwidth).

Q: How do you track down and eliminate noise and spurious signals in wireless embedded systems?

Answer: First, use MDO to test the noise problem in the embedded system. How to eliminate it requires specific analysis based on the different problems found in the test.

Q: What are the characteristics of spectrum analysis?

Answer: It is a mid-range spectrum analyzer indicator with 11 automatic peak displays, three-dimensional spectrum display, and modulation domain analysis function.

Q: What probe is used to measure RF? How to measure RF field strength?

A: RF can be tested with an antenna, or by using a Tektronix VPI-N converter and an oscilloscope probe.

Q: When debugging an RFID system, how do I measure the return signal from the tag?

Answer: The antenna reception can collect signals from the reader and the tag at the same time.

Q: If used in the Internet of Things, which products are more economical and practical?

A: It depends on the frequency band. For 5.8G, use MDO4054-6. For 2.4G, use MDO4054-3.