LDG QRP Assembly Manual - page 10
Manual is about: Automatic Antenna Tuner
of
20
Inductor
L8 Double
L7
L6
L5
L4
L3
L2
L1
uH
10.0
5.0
2.5
1.2
.62
.33
.16
.09
Turns
33
32
22
15
7 bottom
5 bottom
3 bottom
2 bottom
Inches needed
36
26
17
12
6
5
3
2
Fig. 4 Inductor Table
Fig.1 Block Diagram
Inductors
Capacitors
SWR
Sensor
Hi/Lo Z-Switch
Input
Output
68HC11
Microprocessor
User Interface
REV
Pwr
FWD
Pwr
Fig. 5 T1,10 turns #28
R e d 1
G r e e n 1
R e d 2
G r e e n 2
Fig. 2 L1-L4. L2 Shown.
Fig. 3 L5-8. L5 Shown.
Start here. Leave 1".