Agilent / Keysight N5221A 13.5 GHz PNA Microwave Network Analyzer

The Keysight N5221A is a 13.5 GHz PNA microwave network analyzer delivering precision S-parameter measurements across 10 MHz to 13.5 GHz. Available in 2-port and 4-port configurations, it combines 127 dB system dynamic range with trace noise as low as 0.002 dB rms at 1 kHz bandwidth, enabling accurate characterization of active and passive microwave devices. The instrument achieves measurement speeds from 4.5 to 26 µsec/point, with full-span sweeps completing in 6.3 ms at 201 points.

Maximum output power reaches +13 dBm at the test port, supported by a noise floor of -114 dBm at 10 Hz IF bandwidth and receiver compression at +12 dBm input power. The analyzer maintains temperature stability of 0.05 dB/°C and supports 200 channels with up to 100,001 points per channel and unlimited traces. A 10.4" LCD touch screen provides intuitive control, while 3.5 mm connectors, USB, LAN, and GPIB interfaces enable flexible integration into test systems.

Technical Specifications

• Frequency Range: 10 MHz to 13.5 GHz


• System Dynamic Range: 127 dB


• Receiver Dynamic Range: 131 dB


• Trace Noise (Magnitude): 0.002 dB rms at 1 kHz bandwidth


• Noise Floor: -114 dBm at 10 Hz IF bandwidth


• Temperature Stability: 0.05 dB/°C


• Maximum Output Power: +13 dBm at test port


• Power Sweep Range: 38 dB


• Receiver Compression (0.1 dB point): +12 dBm input power at test port


• Source Harmonics: < 60 dBc


• Measurement Speed: 4.5 to 26 µsec/point; 6.3 ms for 201-point full-span sweep


• IF Bandwidth: 10 Hz to 15 MHz


• Channels: 200 (32 measurement channels)


• Points per Channel: Up to 100,001 (16,001 typical)


• RF Connectors: 3.5 mm Male


• Operating Temperature: 0 °C to 40 °C


• Storage Temperature: -40 °C to 70 °C


• Display: 10.4" LCD touch screen


• Dimensions: 24 × 20 × 16 in


• Weight: 50 lbs

Key Features

• Dual source architecture supports both 2-port and 4-port operation


• Unlimited trace capability with 200 channel capacity


• Advanced calibration support including ECal module compatibility


• Low trace noise enables high-sensitivity measurements


• Wide power sweep range for dynamic characterization

Typical Applications

• S-parameter measurement of microwave components


• Active and passive device characterization


• Signal integrity analysis


• Materials measurement


• R&D and manufacturing test

Compatibility & Integration USB, LAN, and GPIB interfaces support direct integration into automated test systems and remote operation. Standard 3.5 mm connectors ensure compatibility with industry-standard test fixtures and calibration standards.