hello everyone, am new at this, am currently building a surf pi from silverdog and i need some help, i assemble the pcb,
i get on ic 7660 pin 5 -5.06v and +5.06,
am trying to adjust offset to give 0v at TP2 (ne5534 pin 6)
Am putting red on tp2 (or pin 6) black on ground, I turn pot for offset and nothing happens. i have reading 1.92v. can i get some help?? Tp2 is 0.92v
Coil is 20cm diameter, 17 turns 1.5ohm, coppers wire 0.5mm or 0.3mm am not sure, shield. I also have an antenna coil
I also have an antenna coil 20cm diameter, 24 turns 3,3ohm.
i get on ic 7660 pin 5 -5.06v and +5.06,
am trying to adjust offset to give 0v at TP2 (ne5534 pin 6)
Am putting red on tp2 (or pin 6) black on ground, I turn pot for offset and nothing happens. i have reading 1.92v. can i get some help?? Tp2 is 0.92v
Coil is 20cm diameter, 17 turns 1.5ohm, coppers wire 0.5mm or 0.3mm am not sure, shield. I also have an antenna coil
I also have an antenna coil 20cm diameter, 24 turns 3,3ohm.
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