38
edits
Changes
Jump to navigation
Jump to search
Add notes about 16MHz crystal and clock buffer
''U11 - (Marked 73RW, SOT-89 or similar) - Pre-amp for GPS ant? In GPS section can.''
''U12 - (Marked G5/849)- looks like a clock buffer between Y3 and U3''
'''U13''' - [http://web.archive.org/web/20200214104034/http://www.ti.com/lit/ds/symlink/cd4040b.pdf CD4040BPW] - 12-stage Ripple-Carry Binary Counter/Divider <ref group="IC Footnotes" name="U13">Package marking shows CM040B. TI Park marking lookup provides CD4040BPW.</ref>
''Unot_marked (23/24?) - (Marked W6K/W76) - RF Amp, similar to SKY65013-70LF (No designator; under TX can to bottom-right of U21.)''
'''U25''' - [http://web.archive.org/web/20200123234645/https://www.ti.com/lit/ds/symlink/tps72.pdf TPS7201Q] - Adj. 1.2-9.75V LDO - (Designator silkscreen is hard to read; 8-SOIC on bottom-right) '''Y3''' - 16MHz crystal[[File:U?? - TPS7201Q.jpg|none|thumb|U25 and general area]]
[[File:Screenshot 20200904-195417.png|thumb|92JK ZC5 chip noted as U15|alt=|none]]
{| class="wikitable"
