Summary of Contents for ELCA XPT-2G
- Page 1 XPT/R2G XPT/R-2G studio transmitter link EL.CA Electronic Systems Srl via Adda 5 21057 Olgiate O. VA ITALY Pag. 1...
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Page 2: Specification
XPT/R2G XPT-2G STL TRANSMITTER ELECTRICAL SPECIFICATION FREQUENCY - POWER Frequency range ------------------------------------------------------- 1300 – 2600MHZ in 30 MHZ steps Frequency setting---------------------------------------------------------------------- in 50 or 100KHz steps Internal setting mode ------------------------------------------------------------------------------------ by keys External setting mode by remote control------------------------------------------- ( RS232-RS485-GSM ) Frequency stability ------------------------------------------------------------------------------- ±1000Hz/year... - Page 3 XPT/R2G CHARACTERISTICS IN STEREO Signal inputs ----------------------------------------------------------------------------------------Left or Right Input impedance -------------------------------------------------------------------- 600 (balanced) or 10k Unbalance rejection --------------------------------------------------------------------------------------- >40dB Input level -------------------------------------------------------------------------------------------0 to +12dBm Pre-emphasis -------------------------------------------------------------------------------------------75 or 50s Audio frequency response (40Hz to 15kHz) -------------------------------------------------------- <0.15dB Audio frequency response (19kHz to 100kHz) ------------------------------------------------------- <40dB Cross-talk between left and right channel-------------------------------------------------------------- >50dB Stereo separation between left and right channel ----------------------------------------------------- >50dB Distortion at frequency deviation of 75kHz ---------------------------------------------------------- <0.05%...
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Page 4: Mechanical Specification
XPT/R2G POWER SUPPLY AND TEMPERATURE RANGE Operating voltage ----------------------------------------------------------------------- 100 – 250V ±15 % Operating voltage DC -------------------------------------------------------------------- 20 – 28 Vdc ±10 % Line power ----------------------------------------------------------------------------------------------- <100VA Nominal temperature range --------------------------------------------------------------------------0° to 40°C Operating temperature range --------------------------------------------------------------------- -10° to 45°C Storage temperature range ----------------------------------------------------------------------- -40°... - Page 5 XPT/R2G XPR-2G STL RECEIVER ELECTRICAL SPECIFICATION FREQUENCY Frequency range -------------------------------------------------------- 1300 – 2600MHZ in 30MHZ steps Frequency setting------------------------------------------------------------------------ in 50 or 100kHz steps Internal setting mode ------------------------------------------------------------------------------------ by keys External setting mode by remote control------------------------------------------- ( RS232-RS485-GSM ) Frequency stability ------------------------------------------------------------------------------- ±1000Hz/year Frequency generation -------------------------------------------------------------------------- PLL synthesizer Nominal frequency deviation demodulation---------------------------------------------------------- ±75kHz Deviation linearity in all frequency range --------------------------------------------------------------- ±1dB...
- Page 6 XPT/R2G Zload ------------------------------------------------------------------------------------------------------- >600 S/N 40Hz–15kHz (L or R decoded and de-emph.) Vi>-40dBm ---------------------------------- >70dB S/N 40Hz–15kHz (L or R decoded and de-emph. CCIR) Vi>-40dBm ------------------------- > 65dB Harmonic distortion 40Hz–15kHz (L or R decoded and de-emph.) ----------------------------- <0.15% LEFT AND RIGHT DECODED Left and Right audio level ------------------------------------------------------------------------------ 6 dBm 40Hz–15kHz audio response ---------------------------------------------------------------------- +/- 0.15dB Zout ------------------------------------------------------------------------------------------------------- <100...
- Page 7 XPT/R2G REMOTE CONTROL TO ASK BY GSM TO KNOW ------------- Field intensity Frequency Internal voltage supply External battery level Alarms Modulation fine tuning offset ( control command ) Squelch ( control command ) Pag. 7...
- Page 8 XPT/R2G XPT-2G GENERAL DESCRIPTION XPT-2G is a FM band broadcasting transmitter with modern conceiving and technology, which by a simple design produces an output radio signal with high characteristics of quality, reliability and security. The simple manufacturing obtained with a high integration of functions, has allowed to create a machine with few controls and connections.
- Page 9 XPT/R2G high or low. On these channels either the European or American pre-emphasis value can be inserted. A low pass filter on each of the two inputs assures a good attenuation of audio frequencies higher than 15KHz which could interfere, in case of stereophonic transmission, with higher band and with subcarrier of Multiplex signal;...
- Page 10 XPT/R2G Available options STEREO ENCODER : additional board allowing the internal encoding of the stereophonic signal : additional board allowing a frequency modulation control REMOTE CONTROL : software for the GSM connection RF INSULATOR : 20 dB isolation from antenna reverse power Pag.
- Page 11 XPT/R2G XPR-2G GENERAL DESCRIPTION The XPR-2G receiver is a modern, professional receiver created for the reception of frequency modulated signals and broadcasted in the range 1300–2600MHz . The high selectivity of the input circuit, the intermediate frequency stages, and the accurate demodulation process, make it also ideal for signal repeating in the FM range.
- Page 12 XPT/R2G between two amplifiers provide the right selectivity without introducing excessive distortions of the modulated signal, which definitely has a bandwidth higher than the window imposed by the filters. Accurately designed matching circuits ensure to keep an high quality of the signal, which will subsequently be demodulated.
- Page 13 XPT/R2G On the front panel, there are two monitor outputs to allow the user to easily control the operation using a spectrum analyzer for the IF output, or an oscilloscope for the audio output. The rear panel also includes a DB9 connector with alarm signals (carrier-detect, fault, etc.) , which can drive a diversity system.
- Page 14 The value of the available frequency range can be found on the label on the rear panel. XPR-2G and XPT-2G does not need to be tuned within the assigned frequency band and supplies the power programmed for every frequency, checking also output values.
- Page 15 The value of the required frequency range can be found on the label on the rear panel. XPT-2G transmitter include in their output a band-passfilter , so as to work properly without spur and harmonics in antenna. Intermodulation with other transmitters is reduced ; for incresed this last parameter...
- Page 16 XPT/R2G Pag. 16...
- Page 17 XPT/R2G XPT-2G FRONT AND REAR PANNEL SETTING N° FUNCTION FUN-COOLER PAPST Type 614/24 Vdc RF OUT – 1 TO 5 WATT EXT. BATT. 24 Vdc connector Pin 1-2 (+) POS. Pin 3-4 (-) GND LEFT input Pin 1=GND Pin 2=L+ Pin 3=L-...
- Page 18 XPT/R2G 19kHz sync. Out ( 1 Vpp ) Ext.Carrier Enable (closed=off) Alarm1 contact out Alarm 2 contact out IN/OUT NUMBER ( DB9 ) Input RS485+ Input RS485- COM3B NUMBER RS485 ( DB9 ) Input RS485+ Input RS485- COM3A NUMBER RS485 ( DB9) COM2 NUMBER...
- Page 19 XPT/R2G LF Monitor RS232 COM1 Data ENTER key REMOTE connection Pag. 19...
- Page 20 XPT/R2G XPR-2G FRONT AND REAR PANNEL SETTING N° FUNCTION RF IN from antenna LEFT output Pin 1=GND Pin 2=L+ Pin 3=L- RIGHT output Pin 1=GND Pin 2=R+ Pin 3=R- MPX out DE-EMPHASIS on /off De-emphasis value 75 or 50 microsec. Output audio level setting 0 –...
- Page 21 XPT/R2G Input RS485+ Input RS485- COM3B NUMBER RS485 ( DB9 ) Input RS485+ Input RS485- COM3A NUMBER RS485 ( DB9) COM2 NUMBER RS232 ( DB9) ALL1 ALL2 Field intensity AUX IN/OUT NUMBER For analog remote monitoring -12V ( DB9) +15V Modulation meter LINE FUSE 1AT for 230Vac 2AT for 115Vac...
- Page 22 XPT/R2G XPT-2G INTERNAL ADJUSTMENT AND SETTING Pag. 22...
- Page 23 XPT/R2G Board name/ FUNCTION DESCRIPTION N° Component SINTG Mod. adj Adj. for 75kHz dF with right in level DMPX Pilot level Adj. for 7.5kHz dF in Stereo mode DMPX Pilot frequency Adj. for 19.000kHz MBPN L / R balance Adjust for right balance at 1kHz AL400 Ex Battery fuse 3A T...
- Page 24 XPT/R2G XPR-2G INTERNAL ADJUSTMENT AND SETTING Pag. 24...
- Page 25 XPT/R2G Board name/ FUNCTION DESCRIPTION N° Component RX400 MPX level Adj. for 6dBm out when 6dBm is setted dF meas. Adj. for read 75kHz dF on display RX400 St.separation Adj. for minimum at 15kHz on the L or R RX400 St.separation Adj.
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