DC-55 MHZ Up-Converter for your VHF receiver or RTL-SDR [复制链接]

The LNA is based on two parallel Gali-74+ amplifiers made by Mini-Circuits and offers about 20 dB of gain with 3 dB of Noise Figure.
两只并联的Gali-74+放大器提供20db增益，噪声系数为3db。

https://www.sv1afn.com/upcnv.html

$59，eBay有卖。
http://www.ebay.com/itm/RTL-SDR-HF-up-converter-0-55-MHZ-200-MHZ-LO-LNA-with2x-GALI-74-built-tested-/151237290491?pt=LH_DefaultDomain_0&hash=item233671e9fb

SV1AFN的设计项目，很有趣。

https://www.sv1afn.com/projects.html

等高手国产山寨~~~

LAN的设计很简单，噪声也可以，有机会试试。

BA7KW:LAN的设计很简单，噪声也可以，有机会试试。 (2015-12-10 14:56) 

搭单...

diplexer有意思。