FET alternatives Tentex 580

[Richard Jenkins]

Hi there- I have a problem with my Tentec 580 transceiver, which I am
narrowing down to a possible blown FET. It is on the timebase board and is
labelled 

40823

It is a dual gate type, but I can find no listed alternatives.  Can you
help?

de Richard

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Richard Jenkins                                                 VK1RJ
rjenkins@pcug.org.au                          vk1rj@vk1zao.act.aus.oc
61 6 258 1228                                              GQRP #5253
                                          Cw Operators' QRP Club #437
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