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204B problem in the 10k range


 

hello friends,

I have a little problem in my 204B Oscillator.

This apparatus have a selfmade stabilizes PSU in the back, the DC voltage is near to perfect.
Ranges? x1 / x10 / x100 / x1k? works accurate in frequeny and signal level. OK

Range x10k:

from 5 to 7 there is no oscillation. At 8 it starts, with very low output, the frequency is around 3% higher then the button scale.

In center of the button scale it work OK, but the frequency is still around 3% more then on the button.

From 20 up the signal level goes lower and lower.

So I have a problem in the 10k range parts.

How to continue ? application is here.

Martin

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