Sorry Steve!
I changed the name of the folder and it changes the link.. I knew I should have
left it alone!
http://s900.photobucket.com/user/w7ry/library/W7RY%20Ameritron%20Diode-Capacitor%20Rectifier%20Board
Thanks for letting me know!
73
Jim W7RY
-----Original Message-----
From: Steve Bookout
Sent: Friday, March 31, 2017 8:38 PM
To: Jim W7RY
Subject: Re: [Amps] Ameritron REPLACEMENT Capacitor Board (Shameless Plug...)
Jim,
Getting an error on the link.
Steve, NR4M
On 3/31/2017 9:35:PM, Jim W7RY wrote:
> All...
>
> I now have an Ameritron rectifier-filter capacitor board available for the
> AL-82, AL-1200 and AL-1500. The board has space for ***** 10ea***** 30 mm
> diameter caps, a bridge diode arrangement with 20 1N5408 diodes, (to take
> place of the hokey daughter board arrangement in the stock Ameritron AL-82,
> AL-1200 and AL-1500) and a place for the small RFC, small protection caps,
> and diode that Ameritron puts on their boards.
>
>
> Features:
> - 10ea 30mm diameter 450 volt capacitors. Use 85c or 105c caps. Your choice.
> - 3 Amp 1N5408 diodes
> - 1/4” push on terminals can be used for all connections. Or just solder the
> wires to the board
> - Terminal area is in the same location as the stock Ameritron cap board
> - No more clumsy, hard to assemble daughter board for the HV diodes
> - Either use one or two bleeder resistors per capacitor. Your choice of
> quantity and value
> - Includes a location for optional HV OK resistors for non Ameritron
> applications (GM3SEK Triode Board)
> - Has all parts as used on the stock Ameritron filter capacitor board
> - High quality PCB with 2 ounce copper runs. (Standard is 1 ounce)
> - lower cost 400K Ohm 1/2 watt (10 each) for the HV metering
> - Has a small 10 turn pot to adjust the HV meter so it’s accurate!
> - About the same size as the stock Ameritron capacitor board and mounts on
> the same standoffs as the stock board. Must remove the two middle standoffs
> to accommodate the capacitors.
> - Now you can turn up the HV (use the green transformer wire) if you want to!
> With 4500 volts of capacitors.
> - Capacitors mount on the “bottom” of the circuit board with the
> bleeder/equalizer resistors on the top of the board for good air flow.
>
> I added another string of 10 resistors for a “HV ok line” that both the
> GM3SEK triode board and WD7S board requires for monitoring HV if you want to
> use this board in a home brew amplifier project!
>
> The board is the same size as a stock Ameritron board and mounts on the same
> mounts. I did however need the room for the caps, so the “middle posts” that
> are on the existing Ameritron board have to be removed. But with lighter
> caps, this is not an issue.
>
> So now you can turn up the HV (wick) (and the mystery green wire) on your
> Ameritron without going over voltage on the filter caps!!
>
> Parts for the board are around $22.00 for the board LESS CAPS. That way you
> can choose your own caps. Either 105C or 85C caps that are 30 mm with 10 mm
> pin/lead spacing can be used.
>
> Pictures are here:
> http://s900.photobucket.com/user/w7ry/library/Ameritron%20Diode%20Capacitor%20Board
>
>
> Price is $27.00ea for the circuit board shipped by US mail. PayPal accepted.
>
> Thanks!
> 73
> Jim W7RY
>
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