AstroRadio SL


RTL-SDR

LNA 1090 Mhz ADS-B

LNA 1090 Mhz ADS-B

RTL-SDR Blog ADS-B Triple Filtered LNA (Bias Tee Powered)

 

This is a high performance filter and LNA combination for 1090 MHz ADS-B reception with 27dB of gain, a noise figure of around 1dB and over 60dB's of out of band attenuation. Designed to be used with bias tee power from our RTL-SDR Blog V3 dongles with the LNA mounted as close to the antenna as possible. It is triple filtered with a low loss high pass filter on the front end, and two 1090 MHz SAW filters placed in between and after the high performance low noise figure two stage MGA-13116 LNA. The triple filter design should help avoid dongle or LNA overload in noisy/strong signal environments.

Please note again: Requires 3 - 5v bias tee power. The RTL-SDR V3 provides 4.5v so is suitable.

 

RTL-SDR Blog 1090 MHz ADS-B LNA

 

Specification Summary:

Frequency: 1090 MHz
Gain: 27 dB @ 1090 MHz
Return Loss: -16 dB @ 1090 MHz (SWR = 1.377)
Noise Figure: ~1 dB
Out of band attenuation: More than 60 dB
ESD Protection: Dual with GDT and ESD Diode
Power: 3.3 - 5V via bias tee only, 150 mA current draw
Enclosure: Aluminum enclosure
Connectors: Two SMA Female (Male to Male adapter included)
Dimensions:

46.5 x 32 x 15.6 mm (not including the SMA).
Including the SMA the length is 69.8 mm.


Price: € 30.25      VAT included

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