DPO4USB datasheet(10/46 Pages) TEKTRONIX

10 / 46 page

The MDO4000C, with its integrated oscilloscope, logic analyzer, and

spectrum analyzer is the ultimate tool for debugging modern EMI issues.

Many EMI problems are caused from events rooted in the time domain,

such as clocks, power supplies, and serial data links. With its ability to

provide time correlated views of analog, digital, and RF signals, the

MDO4000C is the only instrument available that can discover the

connection between time-domain events and offending spectral emissions.

RF probing – Signal input methods on spectrum analyzers are typically

limited to cabled connections or antennas. But with the optional TPA-N-VPI

adapter, any active, 50 Ω TekVPI probe can be used with the spectrum

analyzer on the MDO4000C Series. This enables additional flexibility when

hunting for noise sources and enables easier spectral analysis by using

true signal browsing on an RF input.

In addition, an optional preamplifier accessory assists in the investigation of

lower-amplitude signals. The TPA-N-PRE preamplifier provides 12 dB

nominal gain across the 9 kHz - 6 GHz frequency range.

The optional TPA-N-VPI adapter enables any active, 50 Ω TekVPI probe to be

connected to the RF input.

Visualizing changes in your RF signal – The time domain graticule on

the MDO4000C Series display provides support for three RF time domain

traces that are derived from the underlying I and Q data of the spectrum

analyzer input including:

Amplitude - The instantaneous amplitude of the spectrum analyzer

input vs. time

Frequency - The instantaneous frequency of the spectrum analyzer

input, relative to the center frequency vs. time

Phase - The instantaneous phase of the spectrum analyzer input,

relative to the center frequency vs. time

Each of these traces may be turned on and off independently, and all three

may be displayed simultaneously. RF time domain traces make it easy to

understand what's happening with a time-varying RF signal.

The orange waveform in the Time Domain view is the frequency vs. time trace derived

from the spectrum analyzer input signal. Notice that Spectrum Time is positioned during

a transition from the highest frequency to the lowest frequency, so the energy is spread

across a number of frequencies. With the frequency vs. time trace, you can easily see

the different frequency hops, simplifying characterization of how the device switches

between frequencies.

Advanced RF analysis – When paired with SignalVu-PC and its Connect

option, the MDO4000C Series becomes the industry's widest bandwidth

Vector Signal Analyzer with up to 1 GHz capture bandwidth. Whether your

design validation needs include Wireless LAN, wideband radar, high data

rate satellite links, or frequency-hopping communications, SignalVu-PC

vector signal analysis software can speed your time-to-insight by showing

you the time-variant behavior of these wideband signals. Available analysis

options include Wi- Fi (IEEE 802.11 a/b/g/j/n/p/ac) signal quality analysis,

Bluetooth Tx compliance, pulse analysis, audio measurements, AM/FM/PM

modulation analysis, general purpose digital modulation and more.

MDO4000C paired with SignalVu-PC to analyze 802.11ac modulation.

Time synchronized insights into Analog, Digital, and RF – The

MDO4000C Series is the world's first oscilloscope with a built in spectrum

analyzer. This integration enables you to continue to use your debug tool of

choice, the oscilloscope, to investigate frequency domain issues rather than

having to find and re-learn a spectrum analyzer.

Datasheet

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DPO4USB Datasheet(PDF) 10 Page - TEKTRONIX, INC.

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