The Advantest U3772 is one of the world's smallest and lightest microwave spectrum analyzers designed for field use, covering a broad frequency range from 9 kHz to 43 GHz. Offering flexible power options including AC, DC, and battery operation, the U3772 delivers high-quality analysis functions, a bright 6.5-inch color display, and versatile connectivity for field and benchtop applications.

Specifications

General

ParameterValue
Display6.5-inch color TFT LCD, 640 x 480 resolution

Physical

ParameterValue
Power SupplyBattery, DC (11 to 17 V), or AC (100 to 240 V, 50/60 Hz) powered
Operating Temperature0 to +50 °C (0 to +40 °C with battery pack)
Dimensions (W×H×D)308 mm × 175 mm × 209 mm
Weight5.6

Frequency Specifications

ParameterValue
Frequency Range9 kHz to 43 GHz
Residual FM<= 60 Hzp-p x N / 100 ms

Inputs and Outputs

ParameterValue
RF Input Impedance50 Ω
RF Input Connector2.4 mm (female)

Resolution and Bandwidth

ParameterValue
Resolution Bandwidth (RBW) Range100 Hz to 3 MHz
Video Bandwidth (VBW) Range10 Hz to 3 MHz

Display and User Interface

ParameterValue
External Storage SupportSupports USB Flash Memory

Options and Accessories

ParameterValue
Opt 20: High-Stability Frequency Reference SourceOption available
Opt 28: EMC FilterOption available

Frequency

ParameterValue
Frequency Span Range0 Hz, 100 Hz to 43 GHz
Frequency Span Accuracy±1%
Standard Reference Frequency Aging Rate±2.0 ppm/year
Standard Reference Frequency Temperature Stability±2.0 ppm (0 °C to 50 °C, referenced to 25 °C)
Reference Frequency10 MHz
External Reference Input10 MHz, -10 dBm to +10 dBm, BNC female

Sweep

ParameterValue
Sweep Time Range (Span > 0 Hz)20 ms to 1000 s
Sweep Time Range (Zero Span)50 µs to 1000 s

Amplitude

ParameterValue
Input Attenuator Range0 to 50 dB in 10 dB steps
Maximum Safe Input Level+30 dBm (with attenuator ≥ 10 dB)
Maximum DC Input Voltage0 V DC
Display Scale (Log)10 dB/div, 5 dB/div, 2 dB/div, 1 dB/div, 0.5 dB/div, 0.2 dB/div, 0.1 dB/div
Reference Level Range-140 dBm to +30 dBm

Signal Processing

ParameterValue
Detection ModesNormal, Positive Peak, Negative Peak, Sample, RMS, Average

Hardware Options

ParameterValue
Option 12: LAN Interface10/100Base-T (RJ-45) port
Option 16: GPIB InterfaceIEEE-488 standard compliant port

Power

ParameterValue
Power Consumption≤ 100 VA (AC operation) or ≤ 40 W (DC operation)

Signal Outputs

ParameterValue
Calibration Output Frequency20 MHz
Calibration Output Level-20 dBm

Measurement Functions

ParameterValue
Standard Measurement FunctionsChannel Power, Occupied Bandwidth (OBW), Adjacent Channel Leakage Power (ACP), Spectrum Emission Mask, Spurious Measurement, x dB Down, Frequency Counter

Options

ParameterValue
Option 28 EMC Filter Bandwidths200 Hz, 9 kHz, 120 kHz, 1 MHz (6 dB bandwidth)

Power Supply

ParameterValue
AC Power Input100 to 240 VAC, 50/60 Hz
DC Power Input11 to 17 VDC

General Specifications

ParameterValue
Warm-up Time5 minutes

Environmental Specifications

ParameterValue
Storage Temperature Range-20 °C to +60 °C
Operating Humidity Range85% RH or less (no condensation)

Technology

Superheterodyne Spectrum Analyzer

Applications

Microwave and RF field testing, signal analysis, installation and maintenance

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