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#7
05-17-2025, 04:16 PM
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Many OSD chips (inserters) separate the sync and blanking signals.
Maxim made a few, for the security industry, which entered Time Code iinfo into the video chain and needed the sync signals to correspond. EDIT: Heres the MAX7456 eval board, but in CHina.... https://www.ebay.com/itm/135132712344 The old eval board(s) are what you want, as the chips, for the most part are obsolete. I had several, but no more. Great thing about being an EE student with nice professors - they'd sign any Maxim/NSC/TI/Freescale student form. Free chips! (I mostly went for the National audio power amps and the Maxim "DIP of the month" stuff - MAX038, MAX7XX stuff, the pattern generators, the op amps, some Elantec stuff, you name it - 2 sample chips, delivered to your door, free. TI still does the free samples for students, but you almost have to beg them, with a design concept signed by a professor.
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Brian USN RET 22YRS (Avionics/Cal) CET-Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! Last edited by Findm-Keepm; 05-17-2025 at 04:21 PM. Reason: added info 
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