Trimble S - Function description; Block diagram

Chapter 3
Theory of Operation
Trimble S, VX, SPS & RTS Service Manual3 - 84 P/N 57150002, Revision 5.0
F
Function description
Fig. 3-77 Tracker working principle
Block diagram
The tracker consists of a transmitter and receiver unit.
The transmitter unit includes:
• TFB board with transmitter diode
The receiver unit includes:
• OTR board with receiver detector
• OTA board
• OTC board
Fig. 3-19 Tracker working principle
Transmitter diode
Selective mirror 785 nm
OTR board with
receiver detector
OTA board
OTC board
TFB board