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Superior RF Performance
22 dB gain
8 dBm output power
5 dB noise figure
Bias Option
DC Bias Volt/Amp: +15 V at 80 mA
Compact size, integral bias regulation
Preamplifiers and System Noise Figure Application Note – This note discusses noise figure basics including applications and characteristics of Keysight’s amplifier technology. Highlighted are Keysight’s 87405C portable preamplifiers that provide an exceptional gain of 25 dB up to 18 GHz and a probe-power bias connection which eliminates the need for an additional DC power supply. Read the Preamplifiers and System Noise Figure Application Note now!
The Keysight 87405B microwave component amplifier brings compact, reliable gain block performance to systems integrators and microwave designers. With 22 dB minimum gain block and over 8 dBm output power, this amplifier offers output power where it is needed: at the test port.
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For more information about usb preamp, microwave amplifier and system amplifier, please visit Keysight Amplifiers.
87405B Product Specifications
Frequency range 10-4000 MHz
Small signal gain 22-27 dB min-max
Gain flatness ±1.5 dB 10-4000 MHz
Output power (1 dB compression pt.) 8 dBm at 4 GHz
Noise figure 5 dB 10-4000 MHz
Third order intercept (TOI) 15 dBm typical
Harmonics 30 dBc typical
(@ +4 dBm output power)
Input VSWR 1.5:1 10-1000 MHz
1.7:1 1000-2000 MHz
2.1:1 2000-3000 MHz
2.2:1 3000-4000 MHz
Output VSWR 1.9:1 10-4000 MHz
Impedance 50 ohms nominal
Reverse isolation 40 dB typical
Survival input power (max) +10 dBm typical
Power dissipation 1.6 W nominal
Temperature (operating) 0 to +55 °C
(storage) -40 to +70 °