Ulrich,
I have the SRS active antenna schematic FS700-14, Revision B, and it is
identical to Stan's schematic except that my R3 is 1k and his is 100k. Don't
know which is the newer schematic.
73,
geo - n4ua
On Fri, Aug 26, 2011 at 9:02 AM, Stan, W1LE wrote:
> Hello UL,
>
> My SRS active anten
This might be off topic, and if so, pls disregard. (I am new to your
group..just listening lately, a little rusty on some of your talents.)
I have an older EG&G Model 5202 Quadrature lock-in amplifier around for
years waiting for a project. (.2 - 50Mhz)
It seems its' phase sensitivity could
They are good instruments.
You can certainly use them to compare the phase of two sources.
Because it's a quadrature lock-in, you can also use it to sit on a peak
with a small dither (Pound Locking).
Best,
-John
> This might be off topic, and if so, pls disregard. (I am new
Hi Mark,
What reference oscillator and measurement system did you use?
Is that with or without a sqrt(2) removed? Is your HP105 the older
style with the 00105 brick oscillator or a newer one?
The modern HP105 is essentially a well engineered wrapper around
a 10811 oscillator so the performance y