Skip to content

The Advantest R3265A is part of a four-model series of microwave EMI-adapted spectrum analyzers covering frequency ranges from 100 Hz up to 8 GHz on the R3265A and R3365A, and up to 26.5 GHz on the R3271A and R3371A. The series is purpose-built to address electromagnetic interference measurement requirements while retaining full general-purpose spectrum analysis capability across microwave frequencies.
A spectrum analyzer displays signal energy across a range of frequencies, giving an engineer a frequency-domain view of what is present in the air or on a circuit, at what frequency, and at what power level. The R3265A series is configured specifically for EMI measurement: dedicated 200 Hz, 9 kHz, 120 kHz, and 1 MHz 6 dB bandwidth filters are equipped as standard, along with a quasi-peak detector. These are the filter bandwidths and detector type called out in commercial EMI measurement practice, which makes the instrument directly applicable to emissions characterization without requiring optional filter purchases.
ValueTronics International stocks, tests, and ships the Advantest R3265A series from a 20,000 square foot secure warehouse at 1675 Cambridge Drive, Elgin, Illinois. Equipment is inspected and performance-verified in-house by our technical team before it is offered for sale, so the instrument that arrives at your bench matches the configuration and condition stated on the listing. This is the foundation of the difference between a verified used instrument and an unverified marketplace listing of the same model number.
Advantest Corporation is a Japanese test and measurement manufacturer with a long-established position in spectrum analysis and semiconductor test. The R3000-series spectrum analyzers, including the R3265A family, were developed and marketed by Advantest as a standalone product line; Advantest has not been absorbed into another T&M parent company and continues to operate under its original corporate name.
The R3265A series consists of four models that share the same EMI measurement architecture and differ primarily in frequency coverage and tracking generator configuration. The R3265A and R3365A cover 100 Hz to 8 GHz, while the R3271A and R3371A extend coverage to 26.5 GHz for applications that reach into the microwave range.
All four models share the same resolution bandwidth range of 10 Hz to 3 MHz, the same dedicated EMI filter set and quasi-peak detector, the same -145 dBm input sensitivity, and the same standard interfaces (GPIB, RS232C, memory card, BASIC controller). The series is designed so that the choice between models is driven by frequency coverage requirement and tracking generator need, not by changes in core measurement capability.
Each model below is its own dedicated product page with pre-owned-matched pricing and availability. Configuration details, accessories, and current inventory status are shown on each individual model page.
Within the four-model family, the R3265A covers up to 8 GHz without an integrated tracking generator, positioning it for general microwave EMI measurement applications where an external source can be used when scalar response measurements are required.
The two primary differences across the four models are frequency coverage and tracking generator configuration. The R3265A and R3365A cover 100 Hz to 8 GHz; the R3271A and R3371A extend to 26.5 GHz. Per the selection guide on the datasheet, all four models in the series are shown with the tracking generator option marked.
The comparison table that follows summarizes the frequency range and tracking generator configuration for each model in the series, so an application requiring coverage above 8 GHz or scalar measurement capability can be matched to the correct model directly.
| Model | Frequency Range | Tracking Generator | Resolution Bandwidth |
|---|---|---|---|
| R3265A | 100 Hz to 8 GHz | No | 10 Hz to 3 MHz |
| R3365A | 100 Hz to 8 GHz | Yes | 10 Hz to 3 MHz |
| R3271A | 100 Hz to 26.5 GHz | No | 10 Hz to 3 MHz |
| R3371A | 100 Hz to 26.5 GHz | Yes | 10 Hz to 3 MHz |
Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.
| Feature | Specification |
|---|---|
| Resolution bandwidth | 10 Hz to 3 MHz |
| Built-in tracking generator | R3371A (also available on R3365A) |
| High input sensitivity | -145 dBm |
| Fast sweep | 5 µs / div |
| Memory card function | Standard |
| BASIC controller | Equipped as standard |
| I/O interfaces | GPIB, serial I/O (RS232C), equipped as standard |
| EMI dedicated filters | 200 Hz, 9 kHz, 120 kHz and 1 MHz (6 dB bandwidth) filters and QP detector equipped as standard |
| Multiple markers | Maximum 8 points and function list (R3271 series can display multiple markers for a maximum of 8 points) |
| Antenna/cable compensation editor | Standard |
| Limit line function | Standard |
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Advantest
Condition
Used
Manufacturer
Advantest
Frequency
8 GHz
Request A Quote