Jim,
Either the T4 leads are in the wrong holes or Q7 is toast. Check the
lead placement of T4 against the illustration in the manual.
73,
Don W3FPR
On 3/7/2013 12:47 AM, Jim Wiley wrote:
Don -
I am Jim, KL7CC, helping Micah with his K1.
Further testing indicates the following: With PO
Don -
I am Jim, KL7CC, helping Micah with his K1.
Further testing indicates the following: With PO set for 3.0 watts
(requested) we get approx 18V PP RF at the collector of Q6, and6V PP at
the base of Q7. NO volts RF at the collector of Q7, but the DC voltage
reads about 12.8 DC. Have
Martin and Micah,
The information Gary gave you is exactly correct.
I would add three additional comments:
1) The oscilloscope should have a 10X probe for reliable readings
(otherwise use an RF Probe)
2) If you have a 4 band board, start with the trimmer slots parallel
with the long edge of
It helps to know **exactly** where in the manual the problem is detected.
It appears that you are building a two-band filter board, which is also
important information.
I assume that you are using K1 manual Rev. I, that **all** the testing on
page 46 (especially the late step on that page) was
My son and I have been building a 20m 15m K1 over the past year. Great kit!
It is assembled and we are trying to finish aligning the radio. however, it
will not transmit. We have tried signal tracing it and cannot get a reading on
any of the test points. Receiver works fine. We did extensive
5 matches
Mail list logo
