[Milsurplus] BC-474 question

B. Smith smithab11 at comcast.net
Wed Apr 5 17:22:51 EDT 2023


Numerous power supply suggestions including hot to provide receiver bias 
and connector fabrication can be found here.
k4che
http://k4che.com/BC474power/BC474%20Power.htm

On 4/5/2023 2:18 PM, Hubert Miller wrote:
>
> As Dave Stinson has explained here, on the BC-474  C13, 20 uF, is in 
> the wrong position for maintenance of the rec – trans switch:
>
> it charges up when switch is moved to transmit, causing sparking at 
> the switch contact. So the advice is to move the capacitor from
>
> the switch arm of section 4 to the cold contact of the switch ( the 
> only other wired contact on section 4. )
>
> However, occurs to me: this lytic is not really needed anyway when 
> using an AC supply, right? So dispense with it? Or if it’s dried up,
>
> just forget it in place?
>
> -Hue Miller
>
>
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