AEV Xtreme II Manual Download Page 19

     

  

AEV Xtreme II Digital Audio Processor

      

 

AEV Broadcast Srl – via della Tecnica 33 – 40050 Argelato (BO) Italy 

 

Web site www.aev.eu     e-mail  [email protected]  

            

 

 

19 

A

NALOG 

A

UDIO 

O

UTPUT 

Configuration 

 

 

 

 Left and Right. Flat or pre-emphasized (50

µ

S – 75

µ

S) 

Impedance    

 

 

 

30 Ohm electronically balanced and floating 

Minimum load impedance  

 

600 Ohm 

Maximum output level  

 

 

+12 dBu into 600 ohm load 

Connector    

 

 

 

XLR-type, male, EMI suppressed 

Pin 1 Chassis 
Pin 2 & 3 electronically balanced, floating and symmetrical 
 
S

TEREO 

G

ENERATOR 

Configuration  

 

 

 

Two outputs independent 

Pilot freq.    

 

 

 

19 KHz ± 0.001% Max over temp. 

Pilot injection  

 

 

 

+4 ÷ 12 % 

Distortion    

 

 

 

< 0.005 % @1 kHz 

Noise signal ratio    

 

 

70 dB (Din Audio,Bypass mode) Typical 

Stereo separation   

 

 

60 dB Typical 

Crosstalk Main to Sub  

 

 

Great 48 dB 30-15 kHz 

Crosstalk Sub to Main  

 

 

Great 46 dB 30-15 kHz 

38 kHz subcarrier suppression    

70 dB Typical 

76 kHz suppression  

 

 

70 dB Typical 

Composite audio level  

 

 

0 ÷ 12dB 

Connector   

 

 

 

BNC EMI suppressed 

Output impedance   

 

 

50 ohm 

 
RDS G

ENERATOR 

RDS signal    

 

 

 

Standard specification EBU Doc. Tech. 3244-E and Cenelec PrEn 50067 

Coding 

 

 

 

 

Differential and Biphase 

Modulation    

 

 

 

DSB-suppressed carrier 

Frequency    

 

 

 

57 KHz 

Bandwith  

 

 

 

 

± 2.4 KHz 

RDS output level    

 

 

0 dBu (connector out MPX+RDS) 

Connector   

 

 

 

BNC EMI suppressed 

D

ATA 

S

YNCRHONISATION 

Terminal Interface   

 

 

RS232- at rear, asynchronous 

Data Input    

 

 

 

Full duplex 

Format  

 

 

 

 

Selectable 

Transmission Speed  

 

 

2400 ÷ 19600 baud 

Connector   

 

 

 

9 contact subminiature cannon female 

RDS Data management Microprocessor controlled 128 Kbyte 
Non volatile memory RAM data retention 10 years 
R

EMOTE 

I/O 

MS, TA, RDS OFF Cmos level 
Connector 25 contact subminiature cannon female 
 
SCA SUB-CARRIER I

NPUT 

SCA input    

 

 

 

OFF 0 ÷ -14 dB 

Connector   

 

 

 

 BNC EMI suppressed 

Input impedance    

 

 

10 Kohm. 

 

G

ENERAL 

S

PECIFICATION 

Power supply  

 

 

 

87 ÷ 265 VAC, 50-60 Hz 60 VA 

Dimensions   

 

 

 

19’’ (48,3 cm) wide, 7’’ (17,8 cm) high, 15’’ (38,5 cm) deep. 3 Rack units  

Weight  

 

 

 

 

12Kg

 

Summary of Contents for Xtreme II

Page 1: ...AEV Xtreme II Digital Audio Processor AEV Broadcast Srl via della Tecnica 33 40050 Argelato BO Italy Web site www aev eu e mail info aev eu 1 AEV Xtreme II Digital Broadcast Audio Processor...

Page 2: ...s important instructions concerning operator safety and directions regarding the installation operation and maintenance of the equipment Failure to observe the safety instructions and information give...

Page 3: ...supply itself The fuses must be replaced by qualiied and authorised persons It is advisable to call your nearest dealer Call your dealer for any repairs and be certain original spare parts are used F...

Page 4: ...4 2 Adjusting the input level 9 Sec 4 3 Adjusting MPX coder parameters 10 Sec 4 4 System menu options 11 Sec 4 4 1 Setting date and time 12 Sec 4 4 2 Adjusting the display contrast 12 Sec 4 4 3 Lamp...

Page 5: ...ram Xtreme II s audio processing circuits produce a signal which is pre boosted with 50 s or 75 s curves and is controlled precisely and absolutely in order to avoid over modulation the signal is then...

Page 6: ...levels range between 0 and 14dB Sec 1 4 6 RDS output optional The RDS coder optional has an output on a non balanced BNC connector located on the rear panel The output level is fixed at 0dBu It is al...

Page 7: ...e II can be remotely controlled via an RS 232 standard serial port this enables you to control it via both PC and modem A 15 pole connector is also available on the Xtreme II s rear side to send on ai...

Page 8: ...Srl via della Tecnica 33 40050 Argelato BO Italy Web site www aev eu e mail info aev eu 8 By pressing Jog you can select Recall Preset then choose one of the 18 preset curves At the end of the select...

Page 9: ...you can scroll the available options OFF 50 S European standard and 75 S USA standard At the end of the selection return to Home initial menu Sec 4 2 Adjusting the input level Play a piece of music C...

Page 10: ...of the input level is available This can be amplified or reduced of 12 dBu By means of the Jog select a gain in order to have the processor operate around 0 dBm At the end of the setting return to Hom...

Page 11: ...ill find the parameters that may be changed PARAMETER SELECTABLE VALUES Configuratuon Left Right LR OFF L OFF R OFF LR ON Mode STEREO MONO Pilot Level OFF 28dB 18 4dB Pilot Phase 15 15 Composite Clipp...

Page 12: ...Select the parameter to be changed and carry out the correct set up by means of the Jog If you are varying a parameter but you wish to return to the previously set value a X is shown on the right of t...

Page 13: ...description at the end of the manual Sec 4 4 1 Setting date and time To set a new date and time press Jog and enter the System menu Then select Time Date select the value to change and turning the Jog...

Page 14: ...ontrols high frequencies and thus brilliance of the sound We recommend 3 0 Sec 5 2 HF CLIPPING Controls the timbre of high tones either SOFT 0 0 or more cutting 6 0 We recommend 0 5 Sec 5 3 PRESENCE C...

Page 15: ...mixer see installation chapter adjust this control in order to SQUASH the AGC bar to 10 15 dB in the event of a fully modulated programme 0 dB ON MIXER Sec 5 12 AGC Release For fixing the speed at wh...

Page 16: ...noise filtering at normal level excellent for all transmissions 8 0 Considerable filtering due to substantial ground noise We recommend 7 0 or OFF Sec 6 System Update To update your Xtreme II you need...

Page 17: ...AEV Xtreme II Digital Audio Processor AEV Broadcast Srl via della Tecnica 33 40050 Argelato BO Italy Web site www aev eu e mail info aev eu 17 Sec 7 2 Sample connection Remote RDS...

Page 18: ...RFORMANCE Frequency response 30Hz 15 KHz measured below compression and clipping THR Stop band rejection 78 dB beyond 17 KHz Noise 75 dB in all conditions depends on the processing parameters Total di...

Page 19: ...dB Typical 76 kHz suppression 70 dB Typical Composite audio level 0 12dB Connector BNC EMI suppressed Output impedance 50 ohm RDS GENERATOR RDS signal Standard specification EBU Doc Tech 3244 E and C...

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