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XE75 75W FM Exciter/Transmitter

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Description

The XE75 uses a unique ultra linear modulator to give superb sound reproduction with freedom from overshoots and artefacts. The modulator also features a precision TCXO for exceptional frequency stability. The PA Section in the XE75 uses the world renowned heat dissipating “fresh-air-tunnel” concept. The fan provides cooling to the specially designed heat sink with a stream of air that needs no filtering, saving on routine filter replacements. It will operate into any load without damage thanks to its VSWR cut back circuit that protects the power amplifier stage from adverse operating conditions.
The XE75 front panel LCD metering shows forward and reflected power together with internal voltages, temperature and the modulation level.

The PA section also has LED’s which show forward, reverse, temperature and CPU status. The addition of the unique modulation alarm, gives broadcasters alarm status outputs and indications that will show loss of audio or over modulation. A front panel monitor point for RF output is provided, as is a fully buffered baseband monitor for accurate monitoring of the modulator input. The rear panel includes a remote control/monitoring socket that allows carrier muting and status signalling to an external system, additionally data sockets are provided for use with systems that have the ability to control exciters via RS232 or TCP/IP.

A comprehensive range of input options is available. The XE75 comes as standard with composite input and 3 SCA/RDS inputs. The XE75/S includes a stereo limiter and stereo encoder with additional AES/EBU input allowing stereo digital input and the XE75/RBRX includes a
rebroadcast receiver for translator/rebroadcast applications.

Specifications:

 Frequency range  87.5 to 108MHz in 50kHz steps
 Frequency stability  < ± 200Hz
 Power output  >75W (adjustable)
 Harmonic & spurious output  < -70dBc (30MHz to 1GHz)
 Spurious outputs  < -100dBc (87.5MHz to 137MHz @ fc± 0.5MHz)
 AM noise  < 0.5% @ ± 40kHz deviation
 Input sensitivity  + 8dBu (adjustable) for ± 75kHz deviation
 MPX response  < ± 0.5dB (5Hz – 100kHz)
 AF THD (multiplex version)  < 0.15% @ ± 75kHz deviation
 Power supply (AC)  90 – 264v, 47 – 63Hz
 Temperature (operating)  -20C to 55C
 Humidity (operating)  < 95% RH, non condensing
 Dimensions  2U with 550mm intrusion to rack (inc. connectors)
 Weight  14kg
 Warranty  5 Years

 

Additional information

Application

FM

Power Output

100W or less