When I got my first unit I hooked it up to my protoboard power supply which is rated at 15 volts 0.5 amps and 5 volts 1 amp. I was annoyed that it took about 10 minutes to lock up until I realized the 15 volt supply was down near 11.5 volts. Oops. Substituting my small B&K bench supply (good for up to 3 amps) resulted in a lock in under a couple of minutes. Perhaps my unit's internal adjustments are still just about right. It would be nice to get the alignment procedure for the thing, but I suppose, fat chance of that.

Peter


On 1/19/2012 6:45 PM, gonzo . wrote:
Experiment for the day.
I thought I'd follow Dons quote and see how tolerant my unit is.
My benchmark is at 15.5V it locks in about 3min.
I backed off the supply to 10.8V and the lock time (from cold) is 8min.

I thought this was interesting given several people report they are unable to 
get a lock when running lower voltage.

ian
                                        
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