Specifications

5/2/2013 888-2500-001 4-5
WARNING: Disconnect primary power prior to servicing.
Section 4 Theory of Operation
DAX-1/DAX-3
4.3.1 PA Module
4.3.1.1 General Information
Carrier frequency : 529kHz to 1705kHz
PA output carrier power : 1000W + 15% max.
Maximum output power : 1150W peak DAX-1/DAX-1R
3450W peak DAX-3
Modulator switching frequency is 150kHz to 200kHz (synchronous with the carrier
frequency).
Figure 4-3 PA Module Block Diagram
4.3.2 Motherboard
The DAX transmitter motherboards are the backplane for the PA modules to transfer the
PA output to the RF output via series combining.