Dale Farnsworth (call sign unknown) posted on Monday that the Mouser
part number for the more robust version is 771-BAP64-04-T/R . Maybe you
missed it. Mouser has over 4000 in stock at a price of $0.38, or 10 for
$3.10.
Glad you found the problem. It's a relatively easy fix.
Dave Hachadorian
Big Bear Lake, CA
On 7/20/2021 9:51 PM, Connie Marshall wrote:
Dave... thanks so much. The sensitivity returned when I did the J66
jumper test. So looks like PIN diode D5 needs to be replaced. Looks
like I can order from Mouser. Will do some digging and see if I can
find the "more robust version".
73, Connie / K5CM
On 7/19/2021 12:08 AM, David Hachadorian wrote:
Try this:
https://marc.info/?l=elecraft&m=145323127930319&w=2
Unfortunately, the link near the bottom for the more robust
replacement part doesn't work anymore, but maybe someone can come up
with the part number. I've got a bunch of them at home, but I'm on
vacation. The robust replacement is slightly larger in size, but it
will still fit on the solder pads if you are careful.
Dave Hachadorian, K6LL
Big Bear Lake, CA
On 7/18/2021 9:34 PM, Connie Marshall wrote:
While operating SO2R the 'HIGH RF" warning flashed on the K3
display. Before I could react and stop the transmission on the other
radio the front end got zapped. The radio is down about 50 db on RX.
I checked Ant 2 and RX antenna and the same problem so probably not
the surge protectors on each of these inputs. Any ideas on what part
goes out when this happens. The TX radio was on 20 meters and the RX
radio was on 15 meters.
Connie / K5CM
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Dave Hachadorian, K6LL
Yuma, AZ
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Dave Hachadorian, K6LL
Yuma, AZ
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