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ELCA XPR-2G, Руководство пользователя

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ELCA XPR-2G Скачать руководство пользователя страница 25

 

                                                                                                                          

XPT/R2G                                     

 Pag. 

25 

 
 
 
 
 
 
 
 
 

 

N° 

 

Board name/ 

Component 

 

FUNCTION 

 

 

DESCRIPTION 

 

1 

RX400 

MPX level 

Adj. for 6dBm out when 6dBm is setted 

2 

LFO 

dF meas. 

Adj. for  read 75kHz  dF on display 

3 

RX400 

St.separation 

Adj. for minimum at 15kHz on the L or R 

4

 

RX400 

St.separation 

Adj. for minimum at 1kHz on the L or R 

5 

RX400 

Field meas. 

Adj for –90dBm RF input signal 

6

 

RX400 

Field meas. 

Adj for –50dBm RF input signal 

7 

AL400 

Ex Batt.Fuse 

2A T 

8 

AL400 

15 Vdc 

Adj  for 15Vdc on the J1 connector on pin 5  

9 

RF  BPF 

RF filter 

Adj on the input frequency by network-analyzer 

10

 

PW SUPPL. 

Main pw. suppl. 

Adj for 24Vdc out 

11

 

SINTG 

Local Oscil. out 

Ver. 10dBm out 

12

 

DLCD 

Prog .Load 

Run / Boot 

13

 

DLCD 

 

Reset 

Press for master reset 

14

 

DLCD 

CLK battery 

3V3 litium 

15

 

DLCD 

Password 

ON - OFF 

16 

RX400 

Alarms out 

Closed or open output alarm contacts output 

 
 
 

Содержание XPR-2G

Страница 1: ...XPT R2G Pag 1 XPT R 2G studio transmitter link EL CA Electronic Systems Srl via Adda 5 21057 Olgiate O VA ITALY...

Страница 2: ...ower 0 to 4 5W Power resolution setting 0 1W Power control limit setting 1 to 4 5W Power control stability 0 2dB Harmonics emission 60dBc Spurious emission 60dBc Carrier reduction power carrier enable...

Страница 3: ...noise referred at deviation of 75kHz 70dB Suppression of 38KHz 70dB Spurious suppression outside band in according to ETS 300 384 Pilot reference for RDS encoder 19 Khz out 1Vpp 2 5 SCA CHARACTERISTIC...

Страница 4: ...range 40 to 50 C 2 9 MECHANICAL SPECIFICATION 19 rackmount 485x135x530mm Weight 6kg 2 10 OPTIONS Option A Stereo generator Option B Automatic Audio Level Control Option C Remote Control by GSM Option...

Страница 5: ...Squelch threshold 40 100dBm Squelch threshold step 1dB Max rf input signal 20dBm 3 2 SELECTIVITY RF input selectivity 60 dB for 140 Mhz of input frequency 3 dB IF band width static 100kHz 40 dB IF ban...

Страница 6: ...L or R decoded and de emph CCIR Vi 40 dBm 65dB Harmonic distortion L or R decoded and de emph Vi 40 dBm 0 2 Connectors XLR 3 5 ALARMS ALARMS OUT one reed contact for carrier detect internal power supp...

Страница 7: ...XPT R2G Pag 7 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...

Страница 8: ...n keeping this way the modulation very close to the maximum allowed value The corrections take place at very long periods of time the board does not perform the audio compressing limiting functions bu...

Страница 9: ...ainst damages and drifts The oscillator directly modulated by the composite signal covers the whole assigned band and synthesized in steps of 50 or 100kHz The reference frequency is obtained by a 10MH...

Страница 10: ...ODER additional board allowing the internal encoding of the stereophonic signal b AGC additional board allowing a frequency modulation control c REMOTE CONTROL software for the GSM connection d RF INS...

Страница 11: ...is 20Mhz with reference to the tuned frequency and the attenuation of the image frequency is greater than 55dB The next stage is composed of a broadband amplifier with low noise figure NF 3dB and high...

Страница 12: ...t everything must be eliminated because it would be a spurious signal in case of retransmission A elliptical filter with 100kHz cut frequency removes the spurious components of the demodulated signal...

Страница 13: ...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 The receiver can also be powered thr...

Страница 14: ...ilter so as to work also when other transmitters working in the other frequency band are near Within the assigned band such filter needs to be tuned on the frequency through a network or spectrum anal...

Страница 15: ...tenna Intermodulation with other transmitters is reduced for incresed this last parameter can be putted an insulator option D before the output filter Within the assigned band such filter needs to be...

Страница 16: ...XPT R2G Pag 16...

Страница 17: ...t Pin 1 GND Pin 2 L Pin 3 L 5 RIGHT input Pin 1 GND Pin 2 R Pin 3 R 6 External MPX input 0 12 dBm 7 L R MPX SCA1 SCA2 adjustment 8 Mono input impedence choice 600 or 10k 9 Pre emph value choice 50 or...

Страница 18: ...RS485 PIN NUMBER DB9 9 NC 1 NC 2 Input RS485 3 Input RS485 4 NC 5 GND 6 NC 7 NC 8 NC 16 COM3A RS485 PIN NUMBER DB9 9 NC 1 NC 2 RX 3 TX 4 NC 5 GND 6 NC 7 NC 8 NC 17 COM2 RS232 PIN NUMBER DB9 9 NC 1 ALL...

Страница 19: ...XPT R2G Pag 19 22 LF Monitor 23 RS232 COM1 24 Data ENTER key 25 REMOTE connection...

Страница 20: ...IGHT output Pin 1 GND Pin 2 R Pin 3 R 4 MPX out 5 DE EMPHASIS on off 6 De emphasis value 75 or 50 microsec 7 Output audio level setting 0 4 1 6 12 dBm 1 NC 2 NC 3 NC 4 ALARM1 out closed or open output...

Страница 21: ...NC 2 RX 3 TX 4 NC 5 GND 6 NC 7 NC 8 NC 11 COM2 RS232 PIN NUMBER DB9 9 NC 1 ALL1 2 ALL2 3 GND 4 Field intensity 5 NC 6 12V 7 15V 8 Modulation meter 12 AUX IN OUT For analog remote monitoring PIN NUMBE...

Страница 22: ...XPT R2G Pag 22 XPT 2G INTERNAL ADJUSTMENT AND SETTING...

Страница 23: ...dj on the out frequency by network analyzer 11 A4GP RF Ampl fuse 1 6A T 12 A4GP Max V rf ampl Adj for 10Vdc on the MGF0906 drain rf ampl 13 A4GP Rf ampl drive curr Adj for 0 2A on the MGF0905 drain 14...

Страница 24: ...XPT R2G Pag 24 XPR 2G INTERNAL ADJUSTMENT AND SETTING...

Страница 25: ...as Adj for 90dBm RF input signal 6 RX400 Field meas Adj for 50dBm RF input signal 7 AL400 Ex Batt Fuse 2A T 8 AL400 15 Vdc Adj for 15Vdc on the J1 connector on pin 5 9 RF BPF RF filter Adj on the inpu...

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