I wound up with 2 of these and I only need one. Telonic/Berkeley model
8107S 0-69dB, DC-2.5GHz, rotary 2 stage step attenuator. Not sure what
these sell for new, but I've seen them advertised for several hundred
dollars in far worse condition than this one is. Telonic/Berkely
apparently still makes this model. I used this one along with my
SARK-110 to determine the before and after MDS at VLF frequencies when I
did the KBPF3 VLF modifications prior to the boards becoming available
with the modification already completed.
The input and output connectors are SMA female and I'm including a pair
of SMA to BNC screw on adapters plus 2 double shielded, teflon insulated
cables with SMA males on each end and SMA female to type N male
adapters. The connection between the two sections is made up of solid
copper shielded sub-miniature hard line coax with SMA male connectors on
each end from the factory. Cosmetically the device is in decent
condition and my SARK-110 analyzer confirms that it's 50 ohms in and out
so it hasn't been subjected to any damaging levels of RF power and the
VSWR up through 270 MHz (the limits of the SARK-110) is 1:1 to a 50 ohm
termination.
Asking $120 shipped anywhere in the US. I'd rather not try to ship
these internationally as the shipping/insurance would be pretty high,
not to mention the VAT in some countries.
I can't post pictures here but high resolution pix are available and
will be emailed on request.
Please email me off list if interested and the first "I'll take it" (by
date/time of email) gets right of first refusal.
Jim Sheldon, W0EB
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