Reg BT22 crts - KB Museumkbmuseum.org.uk/other_service_manuals/Reg_BT22_crts.pdfT Xl is an...
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Reg BT22 crts - KB Museumkbmuseum.org.uk/other_service_manuals/Reg_BT22_crts.pdfT Xl is an oscillator mixer transistor in the collector of which is a double tuned I.F. transformer