AAREFF TRANSMISSION SYSTEM
Av. Andalucía No. 1 CP 04661
100 mW FM STEREO TRANSMITTER
Page 1: ...AAREFF TRANSMISSION SYSTEM Av Andalucía No 1 CP 04661 100 mW FM STEREO TRANSMITTER ...
Page 2: ...ty Responsibility 4 1 4 Electromagnetic Compatibility 5 1 5 Intended Use 5 2 SPECIFICATIONS 6 2 1 Front Label 6 2 2 Rear Label 7 2 3 Design 8 2 4 Transmitter Dimensions 8 2 5 Technical Data 9 3 INSTALLATION 10 3 1 Audio Input 10 3 2 DC Input and DC Auxiliary Output 11 3 3 100mW 50 OHM RF output 12 ...
Page 3: ...ttom Panel Controls 13 4 OPERATION 14 4 1 Setting RF Output Power 14 4 2 Changing Frequency 14 4 3 Adjusting Deviation 15 4 4 Fine Frequency Adjustment 15 5 FREQUENCY LOCK CODES 16 6 DECLARTION OF CONFORMITY 24 ...
Page 4: ...FORMATION This manual does not contain any kind of warranty Warranty details are specified in our terms and conditions at https www aareff com en terms htm This product can only be installed and serviced by suitably qualified personnel If difficulties arise during the installation or commissioning please contact us by email at info aareff com 1 3 USER SAFETY RESPONSIBILITY You are responsible for ...
Page 5: ...he European Union To meet this directive You must follow the wiring instructions 1 5 INTENDED USE This equipment is a transmitter for FM sound broadcasting in short distances normally of 100m with a 50 ohm antenna This can be for but not limited to drive movie theaters health clubs and gyms or special events This equipment is for use in a permanent fixed location with a license from the radio spec...
Page 6: ...6 2 SPECIFICATIONS 2 1 FRONT LABEL 1 Transmitter model 2 Manufacturer 3 DC power indicator 4 PLL unlocked indicator 5 PLL locked indicator 6 RF power indicator ...
Page 7: ...7 2 2 REAR LABEL 1 Audio Inputs 2 DC Power Input 3 Auxiliary DC Output 4 100mW 50 ohm RF Output 5 Manufacturer 6 Model 7 User Warning ...
Page 8: ...al is then applied to a 12 pole low pass filter that produces RF final RF output All this is housed in an metal case fully screened to protect the user from direct contact with RF voltages and to prevent unwanted emissions local interference and provide to the unit with sufficient RF immunity for the proper operating in an industrial environment 2 4 TRANSMITTER DIMENSIONS ...
Page 9: ...5 and 108MHz Freq Stability Better than 2 KHz entre 20 and 40 o C Freq Fine Adj 1000Hz Freq Adj Accuracy 50 Hz Dev Sensitivity Stability 2 max Audio Input Connectors Phono RCA type unbalanced Pre emphasis 50uS 75uS None Audio Input Sensitivity 775 mV rms for 75 KHz Dev User Adj Signal To Noise Ratio 72 dB rel 75KHz dev Freq Response MPX 0 5dB between 30 Hz and 76 KHz Audio Distortion Better than 0...
Page 10: ...ufacture and testing the transmitter is adjusted to achieve 75 kHz deviation FM the maximum allowed at 88 0 MHz input 4 dBu To comply with the EMC Directive cable used to connect the input to the other equipment should NOT be longer than 3 meters in length To comply with the R TTE it is mandatory that the signal level of the audio input is peak limited with an audio limiter or similar processor Up...
Page 11: ... ground The unit has protection for incorrect polarity In traditional power supplies with heavy transformers particular attention should be paid to the to the rectifier diodes Usually there are 2 or 4 soldering a ceramic disc capacitor of 1nF directly across each one eliminates all kinds of problems with humming and buzzing CE marked power supplies are usually radio frequency suppressed and do not...
Page 12: ... the transmitter is powered Operating the transmitter without a 50 ohm load will not cause immediate damage however it will cause the internal amplifier to operate at high temperature and thus reduce the long term life of the unit If the power is set to maximum with VR2 RF PWR ADJ turned fully anticlockwise and the DRIVE POWER LED is dim or completely extinguished then antenna load is not 50 ohms ...
Page 13: ...13 3 4 BOTTOM PANEL CONTROLS ...
Page 14: ...des which can be located on the last few pages of this document and select the appropriate code on the PLL Module DIP switches S2 and S1 as shown on the bottom panel photograph Connect the rear panel BNC connector RF OUTPUT to a dummy load or the input of a suitable RF power amplifier Connect the transmitter to the power supply and switch it on Adjust the small variable capacitor VC1 FREQ ADJ slow...
Page 15: ...enerator or audio limiter 4 4 FINE FREQUENCY ADJUSTMENT This control is now located inside the unit and not as shown on the bottom panel photograph Under normal and most circumstances this should never be adjusted If there is a need to fine tune the carrier frequency this can be done by turning VC2 internally To access VC2 the top cover of the transmitter needs to be removed The adjustment will ma...
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Page 21: ...N ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF 101 7 ON ON OFF OFF OFF OFF OFF OFF OFF ON ON ON 101 8 ON ON OFF OFF OFF OFF OFF OFF OFF ON ON OFF 101 9 ON ON OFF OFF OFF OFF OFF OFF OFF ON OFF ON 102 0 ON ON OFF OFF OFF OFF OFF OFF OFF ON OFF OFF 102 1 ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON 102 2 ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON OFF 102 3 ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF ON 102 ...
Page 22: ...ON ON ON ON OFF ON ON OFF ON 104 4 ON OFF ON ON ON ON ON OFF ON ON OFF OFF 104 5 ON OFF ON ON ON ON ON OFF ON OFF ON ON 104 6 ON OFF ON ON ON ON ON OFF ON OFF ON OFF 104 7 ON OFF ON ON ON ON ON OFF ON OFF OFF ON 104 8 ON OFF ON ON ON ON ON OFF ON OFF OFF OFF 104 9 ON OFF ON ON ON ON ON OFF OFF ON ON ON 105 0 ON OFF ON ON ON ON ON OFF OFF ON ON OFF 105 1 ON OFF ON ON ON ON ON OFF OFF ON OFF ON 105 ...
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Page 24: ... 301 489 11 V1 3 1 2006 05 Cuestiones de compatibilidad electromagnética y de espectro de radiofrecuencia ERM Norma decompatibilidad electromagnética CEM para equipos y servicios radioeléctricos Parte 11 Condiciones especificas para los transmisores del servicio de radiodifusión sonora terrestre 2006 95 EC DIRECTIVA 2006 95 CE de 12 de diciembre de 2006 sobre el material eléctrico destinado a util...
Page 25: ...a de Aareff Transmission Systems SL Todo el contenido de este documento incluyendo pero no limitado a las imágenes logotipos textos ilustraciones están protegidos por derechos de autor marcas registradas y otros derechos de propiedad intelectual que son propiedad y están controladas por Aareff Transmission Systems SL o por otras partes que han licenciado su material a Aareff Transmission Systems S...
