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608 output attenuator.


 

You may remember that I was concerned about the integrity of the output attenuator in my 608D. Today I checked it again the way I had calibrated it with a short cable and a pass through 50 ohm termination at the scope end. I set the frequency to 10 MHz and the attenuator to 100 mV to be sure there would be no proximity effect between the pickup coil and the output tuned circuit. With the scope reading 100 mV within accuracy spects I then removed the termination and measured 200 mV within accuracy spects. From this I conclude that my output attenuator has not been damaged by someone transmitting into it.

Regards.

Max. K 4 O DS.

Email: max@...

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