A series of laboratory spectrum analyzers up to 8 GHz Advantest U3741, U3751

Advantest U3741, U3751 – spectrum analyzer (9 kHz – 3 or 8 GHz)

Product code: 1000969

Not available Discontinued

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Out of production. Recommended replacement: Anritsu MS2830A


The Advantest U3741 and U3751 spectrum analyzers are small-sized instruments with frequency ranges up to 3 GHz and up to 8 GHz, respectively, which can be used in the production of digital devices, the configuration and maintenance of cable broadcasting equipment and LAN access points, and many other applications. They deliver twice the performance of conventional general purpose analyzers. This leads to a reduction in the measurement cycle time, which is very important in industrial production.

See also:
Advantest U3771, U3772 - Spectrum analyzers. 9 kHz - 31.8 or 43 GHz.

- Universal spectrum analyzer for field and production applications;
- Preamplifier up to 8 GHz;
- Frequency resolution 100 Hz;
- Power supply from three sources: mains 220 V, DC source. current 11…17 V, rechargeable battery;
- Bright color LCD display 6.5 inches;
- Wide choice of interfaces: LAN, USB, GPIB;
- Automatic measuring procedures.



Technical features of spectrum analyzers Advantest U3741 and U3751

- Preamplifier with hi-end sensitivity for the study of weak signals (up to 3 GHz);
- Tracking generator with a range of 100 kHz to 3 GHz (option);
- Tracking generator option available when measuring phase noise characteristics;
- Highly stable reference generator (option);
- Fault detection function in coaxial cables;
- Ability to work as a TV signal receiver/demodulator;
- Saving screenshots in BMP or PNG formats, installation files in BIN, XML formats to a flash card via USB interface;
- Bands for measuring electromagnetic interference in accordance with CISPR: 200 Hz, 9 kHz, 120 kHz, 1 MHz (optional);
- Built-in hardware frequency counter with a resolution of 1 Hz;
- External trigger inputs, external frequency reference source, CAL OUT, IF OUT outputs (IF signal 21.4 MHz);
- Warm-up time: 5 minutes (at a temperature of +20 to +30 °C).




Rugged housing and robust construction

The Advantest U3741 and U3751 spectrum analyzers are lightweight and compact in design. The mass of these devices is a maximum of 5.6 kg.



Brief technical characteristics of spectrum analyzers Advantest U3741 and U3751

Brief technical characteristics of spectrum analyzers Advantest U3741 and U3751


1 year. It is possible to extend the warranty period up to 3 years.


Description of spectrum analyzers Advantest U3741, U3751 (11 pages; 2 MB)

Description of options for spectrum analyzers Advantest U3700 series (8 pages; 2 MB)

Advantest U3741, U3751 analyzers are discontinued. See all new models here: RF spectrum analyzers.