Topband: Hi Z amplifiers for 160m
Jim Brown
jim at audiosystemsgroup.com
Wed Mar 11 13:34:52 EDT 2020
On 3/11/2020 6:28 AM, GEORGE WALLNER wrote:
> Assuming a trans-impedance amplifier, "unity gain" is enough (with
> reasonable size elements). Noise and IP3 are far more important.
> Lightning and surge immunity are also important. Also, isolate the amp
> from common mode noise travelling on the feed-line. Filter the power
> supply well. Use an F connector (a high quality one that can be torqued.)
Agreed, but I would add power on the coax.
73, Jim K9YC
More information about the Topband
mailing list