[AMRadio] diode substitute for 866

[Bob Macklin]

Does your solid state rectifier have connection between pins 1 and 4?

Is this a ceramic socket?

Disconnect both filament leads!

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Rick" <rickb at tx.rr.com>
To: "'Discussion of AM Radio in the Amateur Service'" 
<amradio at mailman.qth.net>
Sent: Wednesday, June 08, 2011 1:34 PM
Subject: Re: [AMRadio] diode substitute for 866


>I was of the same opinion, so, I disconnected the filament winding
> completely and still have the arc.
>
> Rick
>
> -----Original Message-----
> From: amradio-bounces at mailman.qth.net
> [mailto:amradio-bounces at mailman.qth.net] On Behalf Of Larry Szendrei
> Sent: Wednesday, June 08, 2011 3:09 PM
> To: Discussion of AM Radio in the Amateur Service
> Subject: Re: [AMRadio] diode substitute for 866
>
> On 6/8/2011 2:46 PM, Rick wrote:
>> My question is, what is
>> attached to pin 4 in the diode that it would arc to or from? My
>> understanding is the anode is on the plate cap and pin 1 is the only one
>> used in the socket. Why would it arc to pin 4?
>
> Pin 4 is connected to pin 1 through the secondary of the 866 filament
> xfmr, so it has +HV on it as well as pin 1.
>
> 73,
> -Larry/NE1S
>
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