Lrl from Italy

[Dubulumach]

I was attaching here original FrancoItaly's pictures HEF4046 PLL-LRL, lrl schematic, coil antenna and parts list.

FrancoItaly: "At the time I did only test on the test but Rubin with my Lrl revealed a buried copper plate from 25 years to a depth of 60 cm to 4 m in South/North direction and 2.5 m in East/West direction.
Best Regards"

Please Mr.FrancoItaly I need this PCB drawing, precise soldering side view, for making your HEF4046 pll-lrl.


Front view, complete Mr.FrancoItaly lrl.


HEF4046 pll-lrl schematic


FrancoItaly original wounded coil antenna 70 windings.


Zoomed view to windings of coil antenna.


PARTS LIST:

19 Resistors

R1=R11=R14=R16 = 1M
R2 = 1K
R3=R4=R5 = 3.3K
R6 = 150K
R7 = 680K
R8 = 1K
R9=R10 = 68K
R12 = 6.8K
R13=R17 = 4.7K
R15=R18 = 1K
R19 = 330 ohm

3 Variable resistors

P1 = 100K trimmer - Freq.
P2 = 1k trimmer - Mixer.
P3 = 22K potentiometer - Threshold.

16 Capacitors

C1=C17 = 100nF
C2 = 68pF
C3 = 3.3nF
C4=C5=C6=C7 = 1.5nF
C8=C9 = 1pF
C10=C13=C15 = 560pF
C11 = 22pF
C12=C14 = 22nF
C16 = 100 microfarad - 25V

4 Transistors and 2 ICs

IC1 = CD4046 OR HEF4046
IC2 = LM358
TR1 = BC170A or equivalent with low β < or = 100. β = Ic/Ib (ratio of collector current to base current).
TR2=TR3=TR4 = BC183C or equivalent with very high β = 700 or higher.

One LED diode
DL1 = Red Led
_____________

Best Regards
Dubulumach
boem987@gmail.com