hi to all
fitzgerald product are a big lie and expensive.I've prepared a product of Fitzgerald.
pdf-1000
See all circuit in picture.Made up of 3 pieces crystal osilator 5 coils and 2 ic.
Output measured with osiloscop.
Signal amplitude was changed from 0 to 5v.target id is A key useless. Did not make any changes in the signal.telescopic antenna is a toy with frq (under vlf frq)
pdf-1000 is a toy no lrl
