GUANG ZHOU HAN TING INFORMATION TECHNOLOGY CO.LTD WWW.FMUSER.NET
USER’S MANUAL FOR CZH618F-1000/500C TRANSMITTER
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1. Overview
CZH618 digital FM broadcast transmitter, combining with audio modulation and 1KW power
amplifier, is an excellent digital product that owns the highest and newest technology.
The whole machine adopts the latest digital signal processing and the direct digital
synthesized technology. This advantage provides us with excellent hearing feature which can
match to CD audio quality.
CZH618 digital 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 high-tech digital products, in a number of their technical specifications is much higher
than the national standards and industry standards.
CZH618 digital FM broadcast transmitter is composed of five parts: Power Supply, Main
Control and Display Cell, Audio Processing and Frequency Synthesizing Cell, Power Control
Center, and Power Amplifier Cell. It is fitted in the 3U, 19 inches standard case. All the output and
input signal is lead from the back panel.
240 *64 liquid crystal as a display unit, displayed page is clear.
CZH618 series has password protected function to protect some important parameters from
accidentally or incidentally changing.
CZH618 digital FM broadcast transmitter provides a serial communication interface, in order
to build a Remote System easily.
CZH618 exciter has analog and AES/EBU audio interface and SCA interface(only two types
are chose in three ).AUDIO INPUT LEVEL -12dBm to +8dBm,Analog audio input impedance
600
Ω，
AES/EBU Digital audio input impedence110
Ω。
RTC function with which transmitter can be power on/off on time are optional.
