On Thu, Jan 14, 2021 at 11:27 AM, bammi wrote:
Do you have an opinion about a tap as you suggest vs. sampling the signal
My opinion is that it depends on what you are measuring ?I am not sure of the linearity of the antenna when spanning a hundred MHz. A direct tap frequency response can be measured with a VNA to validate there is no loss or gain as a result of the connection. ?The separate antenna could pick up other stray signals in the area and mix with the ones you are trying to measure ?
With the above said, most all needs of a ham could be done without the direct connection. Assuming you are not down to measuring less than 2 or 3 DB difference. This could be critical for the 3rd harmonic of some of the uBITX bands that should be verified before and after amplification.?
my opinion, so cold be in error.?
73
Evan
AC9TU
