[Moon-net] W6PO 2m Amp I/P circuit help.
David Anderson GM4JJJ
david at gm4jjj.co.uk
Mon Jul 2 13:15:37 CDT 2007
On 2 Jul 2007, at 17:23, Hugh Duff wrote:
> I'm having an interesting problem with my newly built W6PO 2m
> amplifier;
Hugh,
In the KB7Q modified version of the W6PO amp I found that the
following worked:
L1=6T 10mmdia 16mm long (airspaced no core)
and L2=3T 15mm dia 16mm long.
It improves VSWR= 1.2:1
L1 is input coil and L2 the coil to the cathode.
Make sure your capacitor rotor is grounded OK
Hope that helps.
73
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David Anderson, GM4JJJ E-mail: david at gm4jjj.co.uk
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