Instruction manual, SPT and MPT 31x series transponders

SPT and MPT 31x series
Circuit boards
The transponder electronics includes the five (5) circuit boards.
These boards are standard for all applications.
Topics
Transmitter board (Tx) on page 84
Receiver board (Rx) on page 85
Rx amplifier board on page 85
Microcontroller board on page 86
Motherboard on page 87
Transmitter board (Tx)
The Transmitter board is a general purpose transmitter,
containing its own frequency generator, power control and
power supply circuits, (the board feeds both the receiver and
microcontroller circuit boards.
Figure 30 Transmitter circuit board
84 160820/O