[Elecraft] K3 Key Out

[Tom Hammond]

The MOSFET used in the K3 is internally diode protected.

73,

Tom   N0SS

At 16:40 09/01/2008, David Robertson wrote:
>Hank
>
>The K3 Key out may be rated for 200 volts but if you use it with an 
>unmodified SB220 you are taking a real chance of damaging the K3 
>because there is no protection diode in the SB220 and the field 
>collapse voltage can exceed 1000 volts.
>
>
>the SB220 was originally designed for relay keying.
>
>73
>Dave KD1NA
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