Lucoro Broadcast FMTX50 User Manual Download Page 21

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RF:
Frequency range

87.5 to 108.0MHz

Frequency stability

Better than ±200Hz

Output power

15 - 50W

Harmonic & spurious output

-75dBc typical

AM Noise

<0.5% @ ±40kHz deviation

THD

<0.15%@ ±75KHz deviation

RF output connector

‘N’ type (F)

Monitoring:
RF (front panel)

BNC (F) -40dB 50 ohms
(NOT to be used for measuring
harmonic or spurious
emissions)

MPX (front panel)

BNC (F) 1V P-P 10K ohms

Audio & MPX:
Audio input Level

+6dBu for ±75KHz deviation

Audio input Impedance

600 Ohms

Audio input connectors

XLR (F)

Digital Audio option versions

SPDIF and AES/EBU: XLR (F)

MPX output

Approx 1V p-p 10K ohms

MPX input

Approx 1V p-p (adjustable)

Power Supply:
Input AC

100V to 250V (50/60 Hz)

Consumption (at maximum RF output) 125W (max at 230V AC)

Mechanical:
Size (mm)

2U 88 (H) x 482 (W) x 290 (D)

Weight

Approx 5kg

Temperature

0ºC to +42ºC

Humidity

95% (relative non-condensing)

We reserve the right to alter specifications without notice. E&OE.

Technical Specifications

Summary of Contents for FMTX50

Page 1: ...any person 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 ...

Page 2: ...ED BY ANY WARRANTY IMPORTANT Correct 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 ...

Page 3: ...complete stereo broadcast solution also has TCP IP control and monitoring plus dynamic RDS RadioTEXT features An audio silence alarm plus remote RDS TA control are also provided The audio processor provides intelligent slow gain riding AGC multi band compressor limiters plus clipping and FIR 15KHz filtering It also includes a high quality Stereo Encoder section Being standalone a dedicated compute...

Page 4: ...d 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 equipment at the transmission site at all times Display posters ...

Page 5: ... Precautions should be taken so that the grounding or polarisation of this appliance is not defeated The unit should be cleaned only as recommended by the manufacturer The transmitter should be serviced by qualified service personnel if it does not appear to operate normally exhibits a marked change in performance has been subjected to shock damage moisture or if foreign objects have ingressed The...

Page 6: ... AF MON BNC connector for monitoring of the input to 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...

Page 7: ...to indicate more than one minute approx of no signal detected on the XLR or digital audio inputs Pin 4 Temperature alarm TTL logic low during normal operation Floats high to indicate over temperature condition has occurred Pin 5 RDS TA Control Supplying between 5 and 12V this pin to with reference to chassis ground potential will activate the RDS TA Traffic Announcement Pin 6 RS232 data input for ...

Page 8: ...s Fuse carrier 16 EARTH Grounding connection point M4 stud and bolt Pin 9 RF Mute Control Supplying between 5 and 12V this pin to with reference to chassis ground potential will mute the RF output Primarily used in automated changeover systems Pins 7 and 8 GND connection at chassis earth potential The above Open Collector outputs are capable of operation up to 50V and sinking a current of 75mA max...

Page 9: ...s together If the FMTX50 is in MPX input display mode a deviation level will be shown in place of the left and right audio input displays To enter the menu press ENTER Use the UP and DOWN buttons to choose the setting to be adjusted Once selected press ENTER and the corresponding setting will now be highlighted Press the UP and DOWN buttons to selected the desired setting and then press ENTER to s...

Page 10: ...cast a multiplex Baseband feed connected to the MPX IN connection on the rear panel Audio Proc This allows selection of three Audio Processing style pre sets Preset 1 Light Processing Classical Music or Talk Show formats Preset 2 Medium processing MOR music formats Preset 3 Heavy processing CHR Hip Hop Dance etc formats Carrier Select this option to change the broadcast frequency to any frequency ...

Page 11: ... short Pins 2 3 If use of a rear panel loop through connection cable is preferred or if an MPX input is required this jumper will need to be changed to Pin position 1 2 For MPX input operation the audio input versions of the transmitter can display deviation in place of Left Right audio input levels First connect a suitably rated test load to the RF OUT socket on the transmitter s rear panel Power...

Page 12: ...uitable tool to carefully adjust the multi turn control To adjust the 19kHz Pilot injection level locate the trimmer adjustment potentiometer DEV on the internal main circuit board and use a suitable tool to carefully adjust the multi turn control Take GREAT CARE not to adjust any other circuit trimmer controls Even the slightest adjustment WILL degrade performance and may cause non compliance wit...

Page 13: ...ed a fault in the antenna system and has shut down the RF output as a safety precaution Check the antenna system including all cabling and or filters and or combiners where fitted for correct operation The FWD indicator see below will also show and the standby transmission system where used will have activated TTL control FWD The system has detected there is no forward power This may be due to one...

Page 14: ... address in the address bar of an internet browser IMPORTANT Accessing the transmitter s front panel menu will enter the FMTX50 into local mode where front panel settings take precedence over the ethernet connection The network readings and settings will not be available until the local menu has been exited and the main screen is displayed on the LCD Select Continue Upon successful log in the FMTX...

Page 15: ...can be ignored because hardware devices don t usually serve https secure pages to clients However general network security is VERY IMPORTANT It is up to the user to ensure adequate overall security for the internet connection Like all computers on all networks the transmitter s network port will be continually subject to external hack and Ping of Death attacks Connect the transmitter s network por...

Page 16: ...quencies of programme material are split and processed differently This avoids the pumping associated with single band limiters where higher frequency sounds are affected by bass powerful content Final HF limiting and distortion cancelled composite clipping ensures that deviation can be optimised without overshoot to above 75kHz DSP FIR 15kHz audio filtering maintains audio high frequencies up to ...

Page 17: ...ply power REMEMBER Never operate a transmitter without a test load dummy load or matched antenna system connected to the RF Output 2 Ascertain the COM Port assigned for the USB connection Go to Windows Device Manager and expand Ports COM LPT branch Make a note of the COM port number designated to the transmitter Avoid using COM ports above 9 If necessary override the COM port number assigned by Wi...

Page 18: ... option ONLY if your station broadcasts regular traffic and travel bulletins RadioTEXT Maximum 64 characters including punctuation and spaces Enter a message as you would like it to appear on receivers showing RadioTEXT eg Music news and information 24 hours a day on Hits FM Can include phone in numbers a website address etc PTY Program Type Select the category which will best categorises your sta...

Page 19: ...lable for internet or network connectivity Using RS232 simply send a sequence of ASCII characters up to 64 characters in total length followed by the ASCII Form Feed character 0x0C equal to CTRL L on a keyboard This Form Feed character commands the RDS encoder to write empty spaces over unused characters in the remaining RadioTEXT field then return to the start position of the 64 character registe...

Page 20: ...activated via the transmitter s 9 way D sub connector Broadcasters planning to use the RDS TA feature either via RS232 or via the 9 way D sub connector MUST ensure that the TP option is set ticked when programming the fixed RDS content via USB NOTE RS232 dynamic RadioTEXT control is only available on Lucoro Broadcast V3 FM transmitter models with an integrated RDS encoder and with a serial number ...

Page 21: ...10K ohms Audio MPX Audio input Level 6dBu for 75KHz deviation Audio input Impedance 600 Ohms Audio input connectors XLR F Digital Audio option versions SPDIF and AES EBU XLR F MPX output Approx 1V p p 10K ohms MPX input Approx 1V p p adjustable Power Supply Input AC 100V to 250V 50 60 Hz Consumption at maximum RF output 125W max at 230V AC Mechanical Size mm 2U 88 H x 482 W x 290 D Weight Approx 5...

Page 22: ...tage 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 inst...

Page 23: ...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 24: ...ject 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 Bar Lane Industrial Estate Roecliffe York United Kingdom YO51 9FS Telephone 01423 313550 Telephone International 44 1423 313550 Enquiries sale...

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