TECHNICAL FEATURES

PERFORMANCE:

Frequency response                  30 Hz ÷ 15 Khz. ± 0.25 dB (By-pass)
Stopband Rejection                   Greater than 78 dB beyond 17 KHz
Total Distortion @ 1 Khz             0.01 % (Proof mode)
Total separation                         Greater than 85 dB DIN Audio
Signal to Noise ratio                  Output noise depends on processing parameters
                                               Greater than 75 dB Din Audio in all conditions

ANALOG AUDIO INPUT:

Configuration                            Left and Right
A/D Conversion                        24 Bit , 128x oversampled
Impedance                               10 K Ohm electronically balanced
Sensitivity                                - 35 dBu to + 24 dBu to produce 10 dB gain reduction at 1KHz
Max input level                          + 29 dBu
Common Mode Rejection           Greater than 45 dB (30 Hz ÷ 20 Khz)
Connectors                               XLR type-female EMI suppressed
                                                Pin 1 GND, Pin 2 Inphase, Pin 3 Return
                                                Pin 2 and 3 electronically balanced

ANALOG AUDIO OUTPUT:

Configuration                           Left and Right. Flat or pre-emphasized software selectable
D/A Converter                          24 Bit , 128x oversampled
Impedance                               30 Ohm electronically balanced
Output level                              Max + 10 dBu into 600 Ohm
Connectors                               XLR type-male EMI suppressed
                                                Pin 1 GND, Pin 2 Inphase, Pin 3 Return
                                                Pin 2 and 3 electronically balanced

DIGITAL AUDIO INPUT:

Configuration                            AES/EBU Standard, 24 bit resolution
Sampling Rate                          32, 44.1 or 48 KHz automatically selected
Connectors                               XLR type-female EMI suppressed
J.17 De-emphasis:                    Software selectable

DIGITAL AUDIO OUTPUT:

Configuration                           AES/EBU Standard, Flat or pre-emphasized software selectable 
Sample Rate                             32, 44.1 or 48 KHz software selectable
Output level                              Max + 6 dBFS
Connectors                               XLR type-male EMI suppressed

STEREO GENERATOR

Configuration                            2 outputs with independent level control
                                                Output 2 may be configured as a pilot tone ref.
Pilot frequency                          19 Khz ± 0.001 % Max over temp.
Pilot injection                            4 ÷ 12 % adjustable
Frequency response                  30 Hz ÷ 15 Khz. ± 0.1 dB
Signal to Noise ratio                  Greater than 96 dB Din audio
Stereo separation                      Greater than 67 dB 30 Hz ÷ 15 Khz (78 dB @ 1 KHz)
Crosstalk Main to Sub                Greater than 46 dB 30 Hz ÷ 15 Khz (61 dB @ 1 KHz)
Crosstalk Sub to Main                Greater than 50 dB 30 Hz ÷ 15 Khz (64 dB @ 1 KHz)
Distortion @ 1KHz                      Less than 0.005%
38 KHz Subcarrier suppression   Greater than 80 dB
76 KHz and sideband suppression Greater than 90 dB
Pilot Tone Protection                  Greater than 70 dB relative to 10% pilot injection
RDS/RBDS Protection                Greater than 70 dB relative to 4% subcarrier injection
Preemphasis                             50-75 uS. Software selectable
Composite output level              0 ÷ + 12 dBu
Impedance                               50 Ohm
Connector                                2 x BNC floating over chassis, EMI suppressed
Max cable length                       10 mt. RG 58 A/U
SCA/RDS input                         1 Vpp for 10% modulation of main carrier
Impedance                               600 Ohm
Connector                                BNC floating over chassis, EMI suppressed

DIGITAL SIGNAL PROCESSOR

Device                                       Motorola DSP 56301
Performance                              24 bit processing

REMOTE COMPUTER INTERFACE  RS 232-C at rear, asynchronous

REMOTE CONTROL INTERFACE

Configuration                            Eight (8) inputs
Voltage                                     6-24 V AC or DC, momentary or continuous
Connector                                DB-25 male, EMI Suppressed
Control                                     Programmable software of all the inputs

GENERAL DATA

Power requirement                    115 ÷ 230 VAC 50 ÷ 60 Hz
Consumption                            200 W
Dimension                                483 x 178 x 385 mm. 4 rack units
Weight                                      12 Kg.
Operating temperature              0 ÷ 50°C

RDS SPECIFICATIONS (available in Xtreme FM/RDS only)

RDS PROGRAMS TRANSMITTED

PI (Program Identifier)	EON (Enhanced Other Network)
PS (Program Service Name)	FT (Fast Tuning)
TP (Traffic Program)	LIC (Linguage Identifier)
TA (Traffic Announcement)	PTYN (Program Type Name)
AF (Alternative Frequencies)	ECC (Extended Country Code)
PTY (Program Type)	LI (Linkage Identifier)
RT (Radiotext)	TMC (Traffic Message Channel)
CT (Clock Time)	PIN (Program Item Number)
M/S (Music-Speech)	TDC (Transparent Data Channel)
DI (Decoder Identifier)	IH (In House Application)

TECHNICAL SPECIFICATIONS

 

RDS SIGNAL                Standard specification EBU Doc. Tech. 3244-E and Cenelec
                                    PrEN 50067
Coding                          Differential and biphase
Modulation                    DSB - suppressed carrier
Frequency                     57 KHz
Bandwidth                     +/- 2.4 KHz
RDS level out                0¸ - 16 dBu
Phase                           0¸ 90°

19 KHz INPUT:

Impedance                   10 KW Connector  BNC

SYNCRONIZATION 

Terminal interface         RS 232-C at rear, asynchronous 
Data input                     Full duplex
Format                          Selectable
Transmission speed       1200 ± 19200 baud
Connector                     9 contact subminiature cannon female
RDS data management Microprocessor controlled
                                    128 Kbyte non-volatile memory RAM
Data retention               10 years