Final Neutralization in HW-101
Mark Graalman WB8JKR
wb8jkr at JUNO.COM
Sat Dec 18 19:51:57 EST 2004
Doug,
Did you use a known good RF probe on the VTVM?
Mark WB8JKR
On Sat, 18 Dec 2004 16:40:21 -0800 "Davies, Doug A FOR:EX"
<Doug.Davies at GEMS3.GOV.BC.CA> writes:
> As per suggestions and an emailed procedure produced by Heath, I
> tried
> neutralizing the 6146's in my HW-101 refurbishing project with the
> plate and
> screen voltages disconnected. I could not get any indication on the
> VTVM
> connected to the antenna jack with these wires disconnected. I then
> hooked
> the plate and screen wires back up and, following the procedure in
> the
> original manual, attempted to perform the neutralization. It
> appears to
> have worked as per the manual but it sure was a pain in the butt
> fiddling
> with the neutralizing cap. to get the plate current minimum and the
> RF
> output maximum at the same point on the FINAL tune knob.
>
> Question: Any ideas on why the alternate procedure did not work?
>
> Doug VA7DD
>
> -----------------------------------------------------------
> Products bought, sold or traded here is the responsibility of the
> parties involved. This list and the City of Tempe are not
> responsible
> for losses or misrepresentations of any kind. Buyer beware!
>
> -----------------------------------------------------------
> This list is a public service of the City of Tempe, Arizona
> -----------------------------------------------------------
>
> Subscription control -
> http://www.tempe.gov/lists/control.asp?list=HEATH
> To post - HEATH at LISTSERV.TEMPE.GOV
> Archives - http://interactive.tempe.gov/archives/HEATH.html
>
>
-----------------------------------------------------------
Products bought, sold or traded here is the responsibility of the
parties involved. This list and the City of Tempe are not responsible
for losses or misrepresentations of any kind. Buyer beware!
-----------------------------------------------------------
This list is a public service of the City of Tempe, Arizona
-----------------------------------------------------------
Subscription control - http://www.tempe.gov/lists/control.asp?list=HEATH
To post - HEATH at LISTSERV.TEMPE.GOV
Archives - http://interactive.tempe.gov/archives/HEATH.html
More information about the Heath
mailing list