AT-11 Datasheet, PDF (10/15 Pages) List of Unclassifed Manufacturers – AT-11 Automatic Antenna Tuner

Input
SWR
Sensor
Fig.1 Block Diagram
Inductors
Output
FWD
Pwr
REV
Pwr
68HC11
Microprocessor
Hi/Lo Z-Switch
Capacitors
LEDs
Switches
User Interface
Fig. 2 L1-2. L2 Shown.
Fig. 3 L3-8. L4 Shown.
Start here. Leave 1".
Inductor
L8
L7
L6
L5
L4
L3
L2
L1
Fig. 4 Inductor Table
uH Turns Inches needed
10.0 26
42
5.0 18
32
2.5 13
23
1.25 9
18
.59
6
12
.39
4
9
.22 2 bottom
4
.11 1 bottom
2
Fig. 5 T1,10 turns #28
Red1
Green2
Red2
Green1