The U3800 is the industry's first metrology tool to offer phase measurement of two high-frequency signals in a single instrument, allowing operators to determine the phase difference. This new functionality enables quick and accurate detection of reception problems caused by inter-circuit interference or radio wave reflection, making the U3800 ideal for applications ranging from electromagnetic interference (EMI) challenges, to broadcasting and communications.

The U3800 series utilizes a new "X math" (pronounced "cross math") function for comparative analysis of input from two channels. This function displays the waveforms of both signals on a single coordinate plain, enabling operators to see the phase difference between the signals at a glance. Furthermore the U3800 series can be used as spectrum analyzer.

• Vector and Spectrum Signal Analyzer
• Comparative measurement/analysis of the signals from two channels on the basis of their time, amplitude, phase, and frequency domains by simultaneous and synchronized measurement
• Two-channel RF input and wide frequency range
• U3841: 9 kHz to 3 GHz
• U3851: 9 kHz to 8 GHz
• The best-in-class time domain analysis bandwidth of 40 MHz
• Vector operation that allows composition/decomposition
• "X math" function for comparative analysis
• Contain high performance Spectrum Analyzer function

Model    Description
OPT.20    High stability frequency reference crystal
OPT.28    EMC filter
OPT.76    50? 3GHz Tracking Generator
OPT.77    50? 6GHz Tracking Generator
JU3800S    Japanese operating manual (printed manual)
EU3800S    English operating manual (printed manual)
ZT-130NC    50/75? impedance converter
A129003    Transit case
A122004    Rack mount kit (JIS)
A124005    Rack mount kit (EIA)
A899001    High pass filter (2.8GHz ~ 18GHz)
A899002    High pass filter (8GHz ~ 18GHz)
A899003    High pass filter (11GHz ~ 26GHz)
A899004    High pass filter (18GHz ~ 30GHz)
A199002    Power divider kit (8GHz/SMA)
A199003    Power divider kit (40GHz/K)

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