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

Fig. 6 Capacitor Table
Capacitor pF (+/-5%)
C54
10
C55+56
20
C57
40
C58
80
C59
160
C60
320
C61
640
C62+63 1280
Combination Voltage
10
500
10+10
500
39
500
82
500
150
1 KV
330
1 KV
680
1 KV
680+680 1 KV
Fig. 8 J3, Control Header
Cap Up ¹
Cap Dn
Green
Red1
N/C
N/C
GND
Ind Up
Ind Dn
Yellow
Red 2
Tune SW
Auto/Semi
GND
Fig. 7 Front Panel Wiring (inside view)
2-Ind up
8 7 65
Red2 Red1 Yel. Grn ^10-Tune
1-Cap up
12-Semi/Auto
LEDs
4-Ind down 3-Cap down
#22 Bare wire
13,14-Gnd
To: SW6 on
PC Board
Fig. 9 Ribbon Cable Layout
3.5”
Top
1- Cap Up
2- Ind Up
3- Cap Dn
4- Ind Dn
n/c
n/c
12- Auto
13- Gnd
14- Gnd
4.5” _{10- Tune}
7.0”
5- Green
6- Yellow
7- Red 1
8- Red 2
1.5”
Fig. 10 Connection between SO-239 and Chassis
Ant / TX #18 * 2 2.25"
Chassis Ground #18 * 2 1.25"