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USER’S MANUAL FOR CZH618F-1000/500C TRANSMITTER
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1. Overview
CZH618 di ital FM broadcast transmitter, combinin with audio modulation and 1KW power
amplifier, is an excellent di ital product that owns the hi hest and newest technolo y.
The whole machine adopts the latest di ital si nal processin and the direct di ital
synthesized technolo y. This advanta e provides us with excellent hearin feature which can
match to CD audio quality.
CZH618 di ital FM broadcast transmitter runs with perfect performance. Its technical
specifications like THD; Audio Frequency Response; SNR and Stereo Separation etc. totally meet
the national relevant standards and industry standards of FM transmitter. At the same time as the
brand new hi h-tech di ital products, in a number of their technical specifications is much hi her
than the national standards and industry standards.
CZH618 di ital FM broadcast transmitter is composed of five parts: Power Supply, Main
Control and Display Cell, Audio Processin and Frequency Synthesizin Cell, Power Control
Center, and Power Amplifier Cell. It is fitted in the 3U, 19 inches standard case. All the output and
input si nal is lead from the back panel.
240 *64 liquid crystal as a display unit, displayed pa e is clear.
CZH618 series has password protected function to protect some important parameters from
accidentally or incidentally chan in .
CZH618 di ital FM broadcast transmitter provides a serial communication interface, in order
to build a Remote System easily.
CZH618 exciter has analo and AES/EBU audio interface and SCA interface(only two types
are chose in three ).AUDIO INPUT LEVEL -12dBm to +8dBm,Analo audio input impedance
600Ω，AES/EBU Di ital audio input impedence110Ω。
RTC function with which transmitter can be power on/off on time are optional.
