Free Ham Radio Classified Ads
Ham Radio Classified Ads
A Free Service by KA9FOX & QTH.com

Classifieds Home - Feedback Forum - Swap Chat Board - Safe Trading Tips
Search Ads - Place Ad - Edit Ad - Delete Ad - Callsign Lookup - Make Donation
Contact KA9FOX - Banner Advertising - Web Hosting - Ham Radio Homes

Photo QSL Cards for Ham Radio - Only $48 shipped
View All Banners     Advertise Here
Ad Detail with Photo for Listing #1750945


Click Here to Enlarge Photo
AMPVHF - 100MHz-6000MHz LNA +22dBm P1dB

This LNA uses the qorvo QPL9547 which offers superior noise figure , gain and P1dB .
Due to its wide bandwidth it makes a great lab amplifier to be used with spectrum analyzers but also works great for ham radio use .
The unit is small enough to mount directly to a coax relay using a SMA barrel avoiding addiotional cable losses .
A build in LDO allows operation from 6 up to 30V
Since the 9547 is primarily designed for use in cellular infrastructure the noise figure sweetspot is in between 700MHz and 2700MHz , at 1.3GHz W2HRO measured 0.22dB NF , at 2.3GHz the typ NF is around 0.5dB , at 433MHz i measured 0.12dB using a 346A and N8973A at 144MHz NF increases to 0.35dB.
The sales price is $179


Listing #1750945 by KG5JCC
Submitted on 11/27/25
Submitted from IP 67.221.134.4

Click to Contact
Back to Previous Page

When All Else Fails PREPPER COMMUNICATIONS Book
View All Banners     Advertise Here

Classifieds Home - Feedback Forum - Swap Chat Board - Safe Trading Tips
Search Ads - Place Ad - Edit Ad - Delete Ad - Callsign Lookup - Make Donation
Contact KA9FOX - Banner Advertising - Web Hosting - Ham Radio Homes

© 2025. The QTH.com Ham Radio Classified Ads website is Created and Maintained by Scott Neader, KA9FOX.

1.8048 ms (0.0018 secs)

Free Ham Radio Classified Ads

Uh oh! It looks like you’re using an ad blocker.

Banner Advertising, along with Donations, keeps the QTH.com Classifieds free to use for everyone.
Please support the QTH.com Classifieds by allowing ads to be displayed. Here is how!

Or, for now, you may continue to use this site without unblocking ads.