Hi Bruce,
Yes I saw your message, on ko4bb Thanks
My 7603 scope is temporarily sick and waiting my attention so my 7L13 system is out of action
Not sure if I will bother with this system anymore as the 7L13 is just too basic a specy (especially since I don't have the associated Tek frequency counter)...and the 7603 takes up too much real estate on my bench ....
So I was hoping to be able to convert the B.P.Filter without using the 7L13 (using a suitable VNA) so I can use my 494 with the modified Tracking generator
The Xtal is a worry..I think I can get it made locally but I suspect they will need more information
than it is a series resonant (I think I read 10ppm stability somewhere on the forum)
George
