[Moon-net] New photos of 2m-8877

[Edward Cole]

Just posted some new photos of the 8877 project.
http://www.kl7uw.com/2m-8877.htm

How long a time delay needed for 8877 filament inrush current 
limitation?  I can get maybe ten seconds using a RC time constant 
timing ckt. controlling relay with 100-ohm resistor to load inrush to 
filament transformer.  That should lower filament to 3.0 volts at 11 
amps.  I'll be running 4.9 volts after startup.
For pretuning the 8877, what resistor value to use across 
cathode-grid (using MFJ-269).  Can I also pretune output ckts this 
way and what resistor value for anode-grid?

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73, Ed - KL7UW              BP40iq, 6m - 3cm
144-EME: FT-847, mgf-1801, 4x-xp20, 185w
http://www.kl7uw.com     AK VHF-Up Group
NA Rep. for DUBUS: dubususa at hotmail.com
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