The J310 is as quiet as they come. It has a 100 MHz noise figure of (only) 1.5 dB.
73 and aloha, Dave KH6AQ On Sat, Mar 14, 2020 at 6:40 AM <[email protected]> wrote: > This discussion of Hi Z amplifiers has been quite interesting. Excellent > information from W1FV and K7TJR. > > I have an RX amp question, related but slightly off-topic. > > I have an MFJ-1025/1026 noise canceler. I like to use it on the higher HF > bands > to cancel power line QRN. The noise is typically S3-S4, but I want it down > to S0 > to hear the bottom layer of stations. My sense antenna works fine, and the > QRN > is canceled. However, the MFJ-1025 amplifier noise is quite significant, > often > negating the QRN cancellation. The MFJ amplifiers are J310's. Any > recommendations for something quieter ? > > 73, > Steve, N2IC > > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
