[AMPS] AL1500

[Ian White, G3SEK]

2 wrote:
>Whenever the anode potential is not substantially more positive {more 
>attractive} than the grid, most of the cathode current will go to the 
>grid.  Thus, the transistor that that is used to stop the flow of 
>grid-I during a parasite should have a substantial current rating. 
>However, the transistor the designer typically selects has a 1 - 2 
>ampere rating. Thus, when the wolf comes to the door with 40 or so 
>amperes, the transistor shorts and does not interrupt the flow of grid 
>current in time.

We're still waiting for a specific reference to the circuit that has 
this design flaw.

-- 
73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                           'In Practice' columnist for RadCom (RSGB)
                            http://www.ifwtech.com/g3sek

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