Description
Choosing a network analyzer starts with the device, not the brochure. The Keysight N5245B network analyzer is a PNA-X microwave instrument that covers 10 MHz to 50 GHz with two or four built-in test ports. Lost in HCM lists it for rental and sale, and it arranges service on request.

Specification summary
| Frequency range | 10 MHz to 50 GHz |
|---|---|
| Low-end start | 900 Hz with configured options |
| Built-in test ports | 2 or 4 |
| Maximum sources | Up to 3 |
| Typical dynamic range | Up to 130 dB, configuration dependent |
| Maximum specified output power | Up to +14 dBm, configuration dependent |
| Platform | PNA-X microwave vector network analyzer |
Match the Keysight N5245B network analyzer to the device
A filter or a cable assembly needs transmission and reflection data, so a two-port setup often covers it. A balanced or multiport part may need four ports. Amplifiers and mixers ask for more, such as sources, receivers and software for compression, distortion and noise figure. The N5245B network analyzer adds those options beyond plain S-parameters, so one instrument can serve several kinds of device.
Read the headline numbers with care
Dynamic range of up to 130 dB and output of up to +14 dBm both depend on the configuration. Likewise, the 900 Hz start frequency needs the right option. So ask Lost in HCM which options the offered unit carries, then compare them with your own list before you commit.
The extras that decide a test
- A calibration kit that matches your connector type.
- Cables and adapters that suit the top frequency you need.
- Software licenses for noise-figure, pulsed or mixer work.
- Fixtures, and a plan for de-embedding them from the result.
Rent, buy or arrange service
Rental covers a validation phase, a repair gap or a production ramp, while purchase suits a lab that measures every week. If an analyzer you own gives doubtful results, describe the symptom and ask for an evaluation. Calibration, repair and adjustment are different jobs with different outcomes, so say which one you need. Lost in HCM serves teams in Ho Chi Minh City, Binh Duong, Dong Nai and other locations. To rent or buy the Keysight N5245B network analyzer, request a quote from Lost in HCM. SMK Vietnam only shows the listing. You can also browse network analyzers, check the Keysight website or contact SMK Vietnam.
N5245B questions
Can the N5245B test mixers and amplifiers?
Yes, with the required sources, receivers and software. It supports amplifier, mixer and frequency-converter measurements.
Two ports or four on this model?
It is offered with two or four built-in test ports, so choose by the device you measure.
What should I confirm before booking?
Confirm the ports, sources, frequency options, noise-figure and pulse capability, calibration kit, cables and software licenses.
















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