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Tech Head - The Technology Section
S Band Down Converter in Useful waterproof box
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<blockquote data-quote="Vipersan" data-source="post: 975472" data-attributes="member: 325666"><p>Yep ..as suspected the crystal is on the other side ...and a chip</p><p>74HC4046 ...CMOS logic ?</p><p>So looks like they use a crystal osc ...and logic gates for the oscillator .../frequecy multiplier ...</p><p></p><p>This is on a seperate pcb on the underside..</p><p>There is also an 8 pin chip</p><p>Ident 1507</p><p>No idea what this is as yet ?</p><p>possibly a PIC ...</p><p>S-B ...have you worked out what it is yet ?</p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 975472, member: 325666"] Yep ..as suspected the crystal is on the other side ...and a chip 74HC4046 ...CMOS logic ? So looks like they use a crystal osc ...and logic gates for the oscillator .../frequecy multiplier ... This is on a seperate pcb on the underside.. There is also an 8 pin chip Ident 1507 No idea what this is as yet ? possibly a PIC ... S-B ...have you worked out what it is yet ? rgds VS [/QUOTE]
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Tech Head - The Technology Section
S Band Down Converter in Useful waterproof box
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