[Amps] AL-1500 Plate Meter Circuit

[Jim W7RY]

Looking a little closer at the schematic, R3 and R4 are grid meter 
resistors.  The grid current is very low about 50 ma for 1500 watts out.

Thanks
73
Jim W7RY



--------------------------------------------------
From: "Jim W7RY" <w7ry at inbox.com>
Sent: Thursday, December 23, 2010 1:04 PM
To: "AMPS" <amps at contesting.com>
Subject: [Amps] AL-1500 Plate Meter Circuit

> Merry Christmas!
> I'm working on a AL-1500. I noticed that the is only one 1.5 Ohm resistor 
> in the plate metering circuit. The schematic calls for two 1.5 Ohm 
> resistors (R3 and R4).
>
> The plate current seems just a bit high. With 1500 watts out, plate 
> current is about 975 ma @ 2900 volts. I really believe the amp is a bit 
> more efficient than this.
>
> Ideas?
> Thanks
> 73
> Jim W7RY
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