12/20/11 888-2595-001 1-3
WARNING: Disconnect primary power prior to servicing.
Section 1 Introduction
ZX Series
• Optional air plenum available for interface to an external ducted air system.
• Precision directional RF sample port provided for customer use.
1.3 General Product Description
The ZX series of solid state transmitters is designed to synthesize and amplify
radiofrequency signals in the FM broadcast band (87.5MHz -108MHz).
The complete ZX transmitter consists of one or more of each of two major assemblies:
an FM exciter and the ZX amplifier chassis. These are shown in Figure 1-1.
Figure 1-1 Major subassemblies of ZX series transmitter
1.3.1 Exciter
The exciter accepts an audio signal in either analog or digital format and modulates it
onto an RF carrier. Depending on the format of modulation, digital HD Radio or
traditional FM, the exciter may be any one of these Harris exciters:
(Flexstar HDX exciter shown)
[002] Amplifier
[001] Exciter
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