Service Manual

Table Of Contents
Revision A Model 340 Telemetry System 4-1
2006920-001
Chapter 4
Theory of Operation 4
This section of the manual contains the electronic theory for the Model
340 Maternal/Fetal Telemetry System. The Model 340 Telemetry
System is comprised of a receiver and a transmitter. The electronic
theory for the transmitter (Transmitter Board and Transmitter Carrier
Board) and receiver (Receiver Board and Receiver Carrier Board) is
presented. For complementary information, refer to the schematics and
assembly drawings contained in Chapter 9 of this manual.
This chapter contains the following technical information:
Transmitter Board (No. 2003708-001) . . . . . . . . . . . . . . . . . 4-2
Telemetry Receiver Board Circuitry (No. 13856A). . . . . . . . 4-7
Telemetry Transmitter Carrier Board (2003713-001) . . . . 4-11
Telemetry Receiver Carrier Board (2004163-001) . . . . . . . 4-12