Keysight (Agilent) 87405C

| Attribute | Value |
|---|---|
| Function | preamplifier |
| Frequency Range | 100 MHz to 18 GHz |
| Gain | 25 dB nom., flatness ±1.5 dB |
| Maximum Power | +15 dBm |
| Connector | Type-N |
| Noise Figure | 4.5 dB at 4 to 18 GHz; 6 dB at 0.5 to 4 GHz |
| P1dB | +15 dBm at 0.1 to 4 GHz; +14 dBm at 4 to 18 GHz |
| Power | probe power from instrument |
| Weight | 0.22 kg |
The Keysight (Agilent) 87405C offers 25 dB gain and ±1.5 dB flatness, with a 4.5 dB noise figure to enhance test equipment sensitivity. It includes a probe-power bias connection, removing the need for an external DC power supply, and provides +15 V at 140 mA or -12.6V to -15V at 3 mA nominal inputs.
This amplifier boosts dynamic range and power in network or spectrum analyzer setups. Ideal for field use, its rugged and portable design offers ease of integration.
Testwall can supply the used Keysight (Agilent) 87405C, 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) 87405C.





