[time-nuts] FE5680 Frequency adjustment voltage range
djl at montana.com
Wed Feb 17 18:28:52 UTC 2010
It may be that shifting the voltage will mess up the calibration constant
in the synthesizer?
> Angus informed that the two buttons are for shifting the freq. up or down,
> after one single "click" the adjustment range is around the center.
>>Suspect thats adjusting the c field. Would not hurt especially if the
>>On Mon, Feb 15, 2010 at 12:44 AM, Raj <vu2zap at gmail.com> wrote:
>>> In my FE5680, I find that the trimpot for frequency adjust at
>>> end 4.4V. The upper and lower voltages are 4.4 and 5.2 approx.
>>> Does this mean it is at the end of its life?
>>> There is a 4750 Resistor connected to the low end of the trimpot
>>> whose value can be reduced as a solution. Any experiences?
> Raj, VU2ZAP
> Bangalore, India.
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Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
Huson, MT, 59846
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