[Elecraft] K1 RF board resistance, voltage, L1

Mark Fickett [email protected]
Wed Apr 23 17:42:02 2003


Hello,

In response to Michael Morrow "<[email protected]> in response to myself:

>>Resistance (p. 45): ground (-) to J8 pin 5
>> should be 90-110k, but I'm getting 1.5k.

>I'd suggest re-checking the orientation of D15.

I re-checked it, and the banded end is indeed facing left. (No luck with spontaneous change of resistance, either.)

>> D11 cathode should be 4.0-4.6, is 0.8

>I don't know about that one.  Are you
>sure you had the positive lead of your
>voltmeter connected to the junction of
>D11 and D12?

I'm not sure what I had wrong before, but it now measures as 5.1v. I think I /may/ have been measuring the wrong diode or wrong end.

>> if I readjust L1 (for the VFO), ...

>So, you can adjust L1 turn spacing
>after the earlier band calibration of
>the LCD display, and still have an
>accurate LCD display of the receiver
>frequency.

O-/kay/. I readjusted L1 so I'm closer to the bottom edges, and get a smidge more of 15m.

Thanks!

-Mark Fickett, KB3JCY


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