- Coil C-105 Impedence Matching
- Coil C-158 Holding
- Capacitor CA-355,1-2 2MF or CA-209 1.9MF Ringer line blocking
- Capacitor CA-355,2-3 0.5MF or CA-177-A 0.5MF Coil line blocking
- Capacitor CA-355,3-4 0.3MF or CAP-259 0.3MF Receiver balance
- Generator GN-38(B) with Crank GC-9
- Ringer MC-131
- Batteries(2) BA-30 ("D" Cells!)
- Screw Switch
- Lever Switch
- Butterfly Switch
- Generator Switch
Theory of Operation TM 11-333 Chapter 5 section i. Paragraph 43-4
|
Resistance Measurements
Between
|
Ohms
|
milliH
|
L1 - L2 CB On Hook
|
inf
|
|
L1 - L2 CB Off Hook
|
100
|
|
L1 - L2 LB
|
8,000
|
|
Mike T. & BAT+ - C no PTT
|
inf
|
|
Mike T. & BAT+ - C PTT
|
2,400
|
|
Rcvr -BAT - C
|
46
|
|
Induction (Hybrid) coil 1 - 2
|
14
|
>1000
|
Induction (Hybrid) coil 2 - 3
|
2
|
2.4
|
Induction (Hybrid) coil 3 - 4
|
47
|
>1000
|
Holding Coil
|
100
|
600
|
Ringer cap #1 - Black on gen
|
1,300
|
|
Coil C-105 (From TM11-330 pg23) |
Winding | Between Terminals | Maximum d-c resis- tance (ohms) | Inductance (millihenries) |
| 1-2-3 | 25 | 120+-10 percent |
Primary | 2-3 | 3 | 5+-10 percent |
Balancing | 3-4 | 370+-5 percent | 80+-10 percent |
Mutual inductance | 2-3 to 1-2-3-4 | | 42+-10 percent |
|