FMB80

Audemat FMB80 Rds Encoder rear panel



High quality and spectral purity


All of our RDS encoders use surface-mount components and multi-layer circuit boards with a large ground plane. This enables us to keep high frequency signal paths very short, and provides inherent shielding. The result is measurably better audio performance than other types of construction. All our encoders construct their data digitally, using Wavelet technology at a sample rate of 912 kHz.

This prevents any possibility of spurious signals affecting audio quality. Unlike some competing units, modulation of the data onto your composite signal is also digital for purity and freedom from interference. There are no analog pass band filters, so there’s no possibility of drifting or degradation of the audio signal.


Reliable


Audemat products are designed for continuous on air operation and are known for their reliability. All of our units feature solidstate memory and have no moving parts. Configuration is retained through power outages. Every parameter is controlled through software: there are no potentiometers or trimmer capacitors to age or need realignment. The FMB80 also includes a separate decoding system so you can monitor the integrity of your RDS signal and keeps a downloadable log to aid in troubleshooting and maintenance.

The FMB series comes with a 2 year warranty.


RDS features


RDS parameters
 Static
  • PI, PS, TP, TA, MS, PTY, DI, AF, Radiotext,  
  • AF list (25 frequencies)
  • Extended character tables
  • Free format group command for computer-control of RDS data
 Dynamic
  • TMC (Traffic Message Channel)
  • Paging
  • IH (In House data)
  • EON (Enhanced Other Network)
  • ODA (Open Data Applications)
  • TDC (Transparent Data Channel)
  • Radiotext Plus (RT+)
  • dGPS messages
  • EWS (Emergency Warning System)
  • Af list (Both A and B encoding supported, up to 900 frequencies)
  • 10 message buffer for Radiotext per DSN
  • Clock time and date
  • Group and extended group sequence up to 252 elements
  • Separate FIFO and cyclic buffers for each type of group
RDS subcarrier
Level (digitally controlled) Software controlled from -60dBm to 0dBm (1 to 3199 mV P-P)
Spectrum
 complies with CENELEC EN50067 standard (-96dB)
Waveform 100% digitally generated
Sampling rate 912kHz
Bypass 0dB (selectable automatic bypass in case of power failure)
Pilot Synchronization
Synchronization Internal or external (automatic selection or user setting)  
Input level -50dBu to +12dBu
Pilot Frequency 19kHz, +/- 2Hz
Phase adjustable +/- 180° in 6° steps
MPX signal
RDS signal input and output Unbalanced, BNC connector
Synchroniztion Automatic pilot tone synchronization
Phase
 Controlable digitally
Bypass feature Retransmission of the MPX input signal to the MPX output (+RDS)
 RDS decoder
  • Connected to an external FM tuner, allows the re-transmission of selected RDS groups
  • Allows monitoring and control of the internally generated RDS signal
  • Can be used as an auxiliary RDS output for monitoring

COMMUNICATIONS and network protocols

ASCII Standard terminal protocol
UECP Universal encoder control protocol EBU SPB490 version 6.01
USEP Universal swift encoder protocol
HTTP Custom Web pages for operator control
SMTP E-mail generation on pre-selected events
FTP (server and client) Firmware updates, configuration, data and log file
Telnet Command line interface via network connection
UDP UECP or ASCII encapsulation
 SNMP V1, MIB II, MIB IP2 system, Optional Specific Service Operator MIBs
Serial communication ports Front panel: 1 RS232 port (COM0)
Rear panel:  2 RS232 port (COM0 and COM1) - 1 RS232/RS485 port (COM2)

HARDWARE DESCRIPTION

I/O
 Digital inputs (TTL) : 8
Relay outputs : 4  
Power requirements 115/230VAC 50/60Hz, IEC connector
Dimensions (W x H x D) 19" (48.25 cm) x 1U x 22 cm



All of our RDS/RBDS encoders:


  • Include high quality power supplies.
  • Can synchronize to an external 19 kHz source or automatically switch to an internal clock.
  • Can adjust the injection level via software even by sending a remote command.

NO POTENTIOMETER!


  • Can vary the injection level from 1 to 3199 mV in 1mV steps.
  • Can adjust the phase of the subcarrier.
  • Can turn the RDS/RBDS SCA off/on remotely via an ASCII command.
  • Can be configured for bypass mode or loop-through operation (FMB10 and FMB80)