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Keysight (Agilent)

Keysight (Agilent) U1818A

Active Differential Probe, 100 kHz to 7 GHz
300 kHz to 3 GHz Frequency Range
S-parameters (S11, S21, S12, S22), impedance, admittance, reflection coefficient Measurement Parameters
Up to 80 dB Dynamic Range
-45 dBm to 0 dBm Output Power Range
50 Ohm Port Impedance
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Attribute Value
Frequency Range 300 kHz to 3 GHz
Measurement Parameters S-parameters (S11, S21, S12, S22), impedance, admittance, reflection coefficient
Dynamic Range Up to 80 dB
Output Power Range -45 dBm to 0 dBm
Port Impedance 50 Ohm
Connector Type N-Type (female)
Display Built-in LCD touchscreen display
Interface USB, LAN (LXI compliant)
Power Supply 100–240 VAC, 50/60 Hz
Operating Temperature 0°C to 55°C (32°F to 131°F)
Keysight (Agilent) U1818A Options:
  • U1818A - 001 - Power probe bias cable
  • U1818A - 002 - Banana plug cable
Calibration Form Keysight (Agilent) U1818A

Repair Form Keysight (Agilent) U1818A
Maximum file size: 40MB

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ModelU1818A

The Keysight (Agilent) U1818A is a 100 kHz to 7 GHz active differential probe designed for accurate high-frequency in-circuit measurements with spectrum, network, and signal source analyzers. It features a broad bandwidth and a flat frequency response of ±1.5 dB, with a low noise floor below -130 dBm/Hz, ensuring precise low-amplitude signal measurements. The probe is powered directly from compatible Keysight instruments or a benchtop supply.

Ideal for RF analysis, the U1818A supports various probe heads (sold separately) like N5380B, N5381B, N2839A, N5425B, and N5426A for flexible and precise probing configurations.

Testwall can supply the used Keysight (Agilent) U1818A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) U1818A.

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