Broadcast 500W Digital FM Transmitter EL500D

Broadcast EL500D Digital FM Transmitter 500W



Broadcast 500W Digital FM Transmitter EL500D

EL500D – 500W Digital Phase Locked Loop Programmable FM Exciter/Transmitter 87.5 – 108 MHz Range


500W FM broadcasting transmitters for Radio Station


  • Built-In Stereo Generator, RDS Encoder and S/PDIF and AES/EBU for Digital Audio

  • Instant front panel programmability through a large LED graphic display and user friendly Encoder Shuttle

  • Built in Web server with Alarm monitoring via Email and Ethernet Connection

  • Power level output from 0 to 500 W front panel or remotely

  • Audio Levels and Modulation levels controlled through the front panel or Remotely

  • Front panel USB port for easy PC connectivity

500W FM Digital Exciter


Rated Output Power:                                                                                                                                      0-500 W continuously variable (ALC)

RF Output Connector:                                                                                                                                                                     “N” type female

RF Output Impedance:                                                                                                                                                                                 50 ohm

Frequency Range:                                                                                                                                                                              87.5 ÷ 108 MHz

Emission Class:                                                                                                                                                                                                      F3E

VCO Tuning:                                                                                                                                                                                                     25 MHz

Frequency Deviation:                                                                                                                                                                                     ±75KHz

Max Frequency Deviation:                                                                                                                                                                          ± 200KHz

Frequency Stability:                                                                                                                                                                                   ± 2.5 ppm

Synthesizer Step:                                                                                                                                                          10KHz or 100KHz selectable

Spurious Emission:                                                                                                                                                                      < – 90 dB or better

Harmonic Emission:                                                                                                                                                                                    < – 75 dB

RF Testing Sampler:                                                                                                                                                                               BNC-F 0dBm

Stereo Separation:                                                                                                                                                                            > 58 dB @ 1KHz

VSWR:                                                                                                              2:1 AT RATED OUTPUT – DYNAMIC PROTECTION NO-STOP SYSTEM

Distortion THD:                                                                                                                                                             < 0.1 % (TYP. 0.05%) @ 1KHz

Distortion IMD:                                                                                                                                                                           < 0.1 % (TYP. 0.05%)

Base Band:                                                                                                                                                              30 Hz ÷ 60 KHz  within   0.15 dB

Unweighted S/N Ratio:                                                                                                                                  > 80 dB  (30Hz ÷ 15KHz  50 mS RMS)

Asyncronous AM S/N Ratio:                                                                                                                                      > 60 dB Ref. 100% AM 400Hz

Syncronous AM S/N Ratio:                                                                                                                                > 55 dB with FM @ 75KHz @400Hz

Pre-Emphasis:                                                                                                                                                                   0, 50, 75 μS int. selectable

Rf Output Connector:                                                                                                                                                                            N-F 50 Ohm

MPX Input Connecor:                                                                                                                                                                        BNC-F  2 KOhm

Mono/Stereo Input Connector:                                                                                                                                           XLR BALANCED 2kOhm

AES-EBU Connectors:                                                                                                                      BNC UNB. 75Ohm or XLR BALANCED 110Ohm

AES-EBU Sample Rate:                                                                                                                                           32,44.1,48,96 KHz SELF SETTING

RS485:                                                                                                                                                                                                           N.02 RJ45

Ethernet:                                                                                                                                                                                                       N.01 RJ45

Setting Port:                                                                                                                                                           FRONT PANEL USB STANDARD B

Audio Level Setting:                                                                                                                                                                                0.1 dB Step

Overall Efficiency:                                                                                                                                       > 70% from 50% to rated output power

Power Supply and Consumption:                                                                                                                          110 to 230vac 50÷60Hz ~ 430VA

Cooling:                                                                                                                                        Forced air by brushless fan – Noise < 67dB front

Operating Temperature Range                                                                                                                                      14 to 113 °F  (-10 to 45 °C)

Dimensions:                                                                                                                                                              (483x88x410mm)

Weight:                                                                                                                                                                                              (11.5kg)

Model available in 1200W version

EL1200D – 1200 Watts Digital FM Transmitter

PLL Control, MOS-FET technology, Stereo & RDS, TCP/IP Control AES-EBU Inputs

EL600D FM Exciter Transmitter Digital, 600W

EL1200D FM Exciter Transmitter Digital, 1200W