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Nooelec SAWbird+ NOAA Barebones - Premium SAW Filter & Cascaded Ultra-Low Noise LNA Module for NOAA Applications. 137MHz Center Frequency

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A dual LNA module with an integrated, high-performance SAW filter. Designed for NOAA applications near 137MHz

Module is fully EMI shielded with 3 different power options (3V-5.5V DC). 1 year warranty!

SKU: 100799
US$37.95
US$37.95
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Description

Details

SAWbird+ NOAA is a self-contained LNA module designed for capturing beautiful weather images available from NOAA satellites. It has a very high attenuation outside of the 5MHz bandpass region, centered around 137.5MHz, and a minimum of 30dB of gain within the bandpass region. Nominal current draw is 180mA.

The SAWbird+ series contains 2 ultra-low-noise LNAs sandwiched around a custom-designed, high-performance SAW filter centered at the frequency of interest. Each LNA module has 2 EMI shields to separate each delicate LNA from external interference. There are also M3 mounting holes available to mount the PCB in your custom enclosure or project with standard hardware.

Each module allows for 3 different power options, but you should only power with one option at any given time! The recommended power input through the SMA output port (for bias-tee capable SDRs like the NESDR SMArTee XTR) is 3V-5V DC. Alternatively, if you don't have a bias-tee capable SDR, you can use the external power options through the microUSB port or the power input header (female 0.1" header). The recommended external power input is 3.3V-5.5V DC. Though there is protection circuitry on the SAWbird for overvoltage conditions, and voltages of up to 12V DC should still work and will not damage the device, it is not recommended for long-term usage. Kindly note that damage resulting from overvoltage conditions would not be covered under the standard 1 year warranty.

Though this device is compatible with a wide variety of SDRs, our recommendation is the NESDR SMArTee v2, which contains a bias-tee capable of powering the SAWbird+ IR module with bias power and can provide the required sensitivity at an extremely competitive price

It is important to note that some SDRs, like the previous production version of the NESDR SMArt, would have their ESD protection diode tripped by the LNA when powered externally. You can still use the LNA with these SDRs of course, but you would need to install a DC block between the LNA and SDR. This can be as simple as a low-distortion, high-quality capacitor in series with the RF path, should you prefer a DIY solution.

Additional Info

Additional Info

SKU 100799
UPC N/A

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