EMRFD Message Archive 8651
Message Date From Subject 8651 2013-05-14 10:15:59 Gian KENWOOD TS-990 HAS INTEGRATED THE H-MODE MIXER AS 1ST MIXER Hi all,
I have just got hold of the TS-990 service manual and checked the schematics.
Something I guessed from looking at the PCB picture, they have selected the 3 transformers G3OXI H-Mode Mixer in the I7SWX classic configuration with FST3126 + 74AC86, see RadCom june-aug 1998, and as implemented into the Pic-A-Star (had two configs 3 and two transformers)also.
8654 2013-05-15 05:55:44 Gian Re: KENWOOD TS-990 HAS INTEGRATED THE H-MODE MIXER AS 1ST MIXER Sorry, I made a typing error. The H-Mode Mixer is the inventi