AMERITRON AL-811H Руководство пользователя - Страница 17

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(Fig. 23)

This kit also includes a small 100K 2-3 watt metal oxide resistor. There are multiple points this

resistor can be connected, without a great deal of difference I've seen so far. This resistor can

go from any tube pin to chassis or from any point on any filament wire to ground. You can even

attach it to the Zener mod as shown, since this is a convenient place. This resistor is necessary

to keep GDT's from "ticking" or "clicking" on receive on some bands with some tubes. The 100K

resistor's position on the Zener is meaningless so long as the other lead can reach a ground

point. The resistor can also go underneath the amplifier tube chassis, or on the input board.

In order my preferred places would be: Fig. 25 or 26 depending on the board's generation.

1.) Between a +24V+ pick point and the filament center tap or filament lead (shown below)

2). Near the filament CT (white lead) that is accessible, like on the Zener's

3.) Between a filament pin and ground on a tube socket