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The FMTX100M is a reliable and compact 125W FM Broadcast 
Transmitter operating from 87.5MHz to 108MHz 
 
At the heart of the FMTX100M is a high quality PLL modulator, and the 
RF Power Amplifier uses the latest high-gain Enhancement Mode 
MOSFET device, achieving new levels of efficiency and reliability. 
 
TTL remote monitoring and switching allows the FMTX100M to be 
easily integrated into automated back-up applications. 
 
 
 
 
 
 
 
These instructions should be read in full before the transmitter is 
operated. 
 
The safety and operating instructions should be retained for future 
reference. 
 
All warnings on the transmitter and in the operating instructions 
should be adhered to. 
 
All operation and user instructions should be followed.  
 
Use of this device into a radiating antenna requires a valid licence from 
a Spectrum Management Authority in most countries. 
 
Use of this device as part of a transmission system, or combined 
transmission system not specified by the manufacturer, may require 
further testing to ensure that it remains compliant with the essential 
requirements and other relevant provisions of current EU Low Voltage, 
EMC and Radio Equipment Directives. Approval and clearance from the 
Spectrum Management Authority may also be required.  
 
Installation must adhere to safety regulations and the requirements of 
the relevant authorities. We recommend that at least two people are 
present during installation. Keep a file containing installation 
instructions and plans, including details of the transmission system 
(antennas, feeders, filters, etc) and operating instructions for all 

Introduction 

Before operating 

Summary of Contents for FMTX100M

Page 1: ... to RF fields cannot exceed safe limits The permitted limits vary from country to country Expert advice should be sought about the safe installation of this transmission system RISK OF FIRE RF Radio Frequency energy could cause ignition of combustible surfaces during fault conditions Installation should be left to qualified personnel RF can cause burns to skin Ensure antenna systems and feeder cab...

Page 2: ...t operation of the cooling fans in this product is vital to reliable continuous operation Schedule bi annual maintenance checks We strongly advise the use of a standby transmitter system for use during maintenance events or fault conditions to prevent prolonged breaks in transmission IMPORTANT When cycling the power off then on ensure that the transmitter is off for at least 10 seconds before re a...

Page 3: ...should be followed Use of this device into a radiating antenna requires a valid licence from a Spectrum Management Authority in most countries Use of this device as part of a transmission system or combined transmission system not specified by the manufacturer may require further testing to ensure that it remains compliant with the essential requirements and other relevant provisions of current EU...

Page 4: ...ipment rack using slide supports It should be situated so that its location or position does not interfere with its proper ventilation The transmitter should be situated away from heat sources The transmitter should be connected to a power supply only of the type described in the operating instructions or as marked on the unit Precautions should be taken so that the grounding or polarisation of th...

Page 5: ... the modulator baseband MPX spectrum 6 RF MON BNC connector for monitoring of the RF output Output level will be the RF output level attenuated by approximately 40dB Not to be used for measurement of harmonics 7 RF OUT N Socket Connect a matched pre tested antenna system with a return loss of 14dB to this socket Ensure all parts of the feeder and antenna system are rated for 200W or above 8 RF ADJ...

Page 6: ... earth potential The above Open Collector outputs are capable of operation up to 50V and sinking a current of 75mA maximum The normally high ie pull low upon alarm condition provides inherent power failure or cable connection failure signalling 10 MPX IN If using an external processor and RDS encoder or a baseband MPX Studio Transmitter Link connect to this BNC Adjust the output level of the exter...

Page 7: ...nd after a few seconds the display will return to normal mode and the transmitter will begin broadcasting Changing transmission frequency may affect the deviation level slightly It is important that the deviation levels are checked Connect the baseband multiplex signal to the rear panel BNC connector Using a calibrated deviation meter or FM analyser adjust the source level so that maximum deviatio...

Page 8: ... attention The LCD display shows all main parameters so no further menus are provided or required except frequency setting detailed above During normal operation therefore the menu buttons do not have any function The following are LCD display fault indicators and their meaning TEMP The system is running too hot and has shut down the RF output as a safety precaution Check the fans for correct oper...

Page 9: ...s due to a PLL failure or due to excessive power setting The standby transmission system where used will have activated TTL control Ensure air vents and internal air tunnels are kept free from dust during operation The cooling fans should be replaced after 40 000 hours of cumulative operation This life rating is for guidance only and is subject to ideal environmental operating conditions Replace a...

Page 10: ... Voltage Directive 2014 35 EU IEC 60950 1 2005 A2 2013 Safety Requirements for equipment 600V EMC Directive 2014 30 EU ETSI EN301 489 53 v1 1 0 ETSI EN301 489 1 v2 1 1 ERM EMC for Radio Equipment Specific Conditions for FM Transmitters Part 11 Radio Equipment Directive 2014 53 EU ETSI EN302018 2 v2 1 1 Transmitting Equipment for FM Radio Broadcasting service The following operation conditions and ...

Page 11: ...C F 40dB 50 ohms MPX BNC F 1V P P 10K ohms MPX MPX Input Level 8dBu for 75KHz deviation MPX Input Impedance 75 Ohms MPX input connectors BNC F Power Supply Input AC 100V to 250V 50 60 Hz Consumption maximum RF output 250W 230V 50Hz Mechanical Size mm 2U 88 H x 482 W x 290 D Weight 5kg Temperature 0ºC to 42ºC Humidity 95 relative non condensing We reserve the right to alter specifications without n...

Page 12: ...If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration IMPORTANT NO REPRESENTATIONS OR WARRANTIES EITHER EXPRESS OR IMPLIED OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR OF ANY OTHER NATURE ARE MADE WITH RESPECT TO THIS PRODUCT Do not misconstrue any information as our recommendation to use any product process ...

Page 13: ... this document is subject to change without notice Lucoro Broadcast makes no warranty of any kind with respect to this information Lucoro Broadcast specifically disclaims the implied warranty of merchantability and fitness for a particular purpose Lucoro Broadcast Clay Pit Lane Roecliffe York YO51 9FS Telephone 01423 313550 Telephone International 44 1423 313550 Enquiries sales lucorobroadcast com...

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