100 watt fm broadcast transmitter

100 watt fm broadcast transmitter EFM 100

100 watt FM Transmitter
Solid State Compact for Broadcast Radio 100W

EFM 100, 100W is a High Fidelity Audio Stereo or MPX FM Transmitter.
Its Natural, Warm sound highlights the quality of your signal.

EFM Series Exciter/Transmitter is a Family of FM stereo Exciters/Transmitters that guarantees a superior transmission quality and top performances.

Output power from 30 W to 1200W, using High Efficiency latest LDMOS technology, housed into an ultra-compact cabinet of only 2U heigh.

EFM can be used as ultra-compact stand-alone station, as well as a driver in complex high power transmitters and N+1 systems.
For any application, EFM is the ultimate solution that meets the most demanding customer requirements and guarantees professional features at an affordable price.

HIGH EFFICIENCY LAST GENERATION LDMOS TECHNOLOGY UP TO 80%
Very LOW SIGNAL TO NOISE MORE THAN 90 DB v
Very LOW DISTORTION and HIGH STEREO SEPARATION
TOTAL SPECTRAL PURITY: > -100 DBC SPURIOUS, > – 84 DBC HARMONICS
SEVEN SELECTABLE COMPLETE SET-UP: READY FOR USE IN 7+1 SYSTEM
FULL- RANGE POWER SUPPLY: 90-260 VAC MAINS VOLTAGE
COMPLIANT WITH ALL THE STANDARD: ETSI – CCIR – FCC.
DIGITAL STEREO CODER: SUPERIOR STEREO QUALITY
UP TO 75% LDMOS HIGH EFFICIENCY AMPLIFIERS
EXTERNAL 10MHz and 1PPS SYNCHRONIZATION FOR USE ON SFN APPLICATIONS
HIGHEST RF SIGNAL QUALITY
PERFECT AUDIO FIDELITY
REMOTE CONTROL BY TCP/IP: WEB + SNMP OF ALL SIGNAL PARAMETERS
CLEAR CRISTAL AUDIO SOUND
DYNAMIC RDS ENCODER with TMC Function HIGH EFFICIENCY LAST GENERATION LDMOS TECHNOLOGY UP TO 80%
Very LOW SIGNAL TO NOISE MORE THAN 90 DB v
Very LOW DISTORTION and HIGH STEREO SEPARATION
TOTAL SPECTRAL PURITY: > -100 DBC SPURIOUS, > – 84 DBC HARMONICS
SEVEN SELECTABLE COMPLETE SET-UPS: READY FOR USE IN 7+1 SYSTEM
FULL-RANGE POWER SUPPLY: 90-260 VAC MAINS VOLTAGE
COMPLIANT WITH ALL THE STANDARD: ETSI – CCIR – FCC.
DIGITAL STEREO CODER: SUPERIOR STEREO QUALITY
UP TO 75% LDMOS HIGH EFFICIENCY AMPLIFIERS
EXTERNAL 10MHz and 1PPS SYNCHRONIZATION FOR USE ON SFN APPLICATIONS
HIGHEST RF SIGNAL QUALITY
PERFECT AUDIO FIDELITY
REMOTE CONTROL BY TCP/IP: WEB + SNMP OF ALL SIGNAL PARAMETERS
CRISTAL CLEAR AUDIO SOUND
DYNAMIC RDS ENCODER with TMC Function

TECHNICHAL CHARACTERISTICS

EFM SERIE EXCITER/TRANSMITTER 30W TO 1200W

Frequency Range: 87.5 ÷ 108.00 MHz, Programmable in 10 KHz steps
On request 66 ÷ 74 MHz (OIRT), 76 ÷ 90 MHz (JPN) Bands.

Frequency Stability: better than ±150Hz from -10 to +50°C
Max deviation: +/-150kHz.
Frequency Control: Synthesizer μprocessor control.
Power Output: 30W, 50W, 100W, 150W, 300W, 600W, 1200W. Adjustable from 0W to maximum power.
Output Impedance: 50 ohm.
Display: forward/reflection power and modulation indicator
Type of Modulation: Direct frequency modulation of carrier frequency, F3E Stereo with Subcarrier and Mono .

Off Lock Attenuation: ≥ -80 dBc.
Modulation Capability: ±150 KHz.
Modulation Mode: Mono, Stereo, Multiplex, SCA, RDS, Aux.
Preemphasis: Flat(0)/50/75 μs selectable from front panel.
Asynchronous AM S/N Ratio: -60 dB below reference carrier with 100% AM modulation @ 400 Hz, without FM modulation.
Synchronous AM S/N Ratio: -60 dB below reference carrier with 100% AM modulation@ 400 Hz with FM modulation ±75 KHz @ 400 Hz.
RF Harmonics: Exceeds ETSI/EBU/CCIR/FCC requirements. better than 84 dbc
RF Spurious: Exceeds ETSI/EBU/CCIR/FCC requirements. better than 84 dbc
Output Connectors: 30W to 600W N type connector, 1200W DIN 7/16 type connector
Output power on/off and adjustable from front panel and remotely.
Overall Efficiency up to 80%.
Monitor RF: -60 dBc, BNC connector
VSWR: 1.5:1 Maximum with automatic fold-back at higher VSWR

MONAURAL OPERATION

Audio Input Impedance: 600 ohm balanced, 15 Kohms unbalanced.
Audio Input Level: -6 to +12 dBm. (Other range on request)
Input Connector: XLR female.
Audio Frequency Response: ±0.15 dB, 30 Hz to 15 KHz.
Total Harmonic Distortion + Noise: 0.03% @ 400 Hz
Intermodulation Distortion: 0.03%, 1 KHz/1.3 KHz, 1:1 ratio
Transient Intermodulation Distortion: 0.03%, 2.96KHz square wave and 14 KHz sine wave.
FM S/N Ratio: -89 dB RMS detector, -85 dB below ±75 KHz deviation, 50 μs de-emphasis, weighted.

MULTIPLEX OPERATION

Composite Input Impedance: 5 Kohm unbalanced.
Composite Input Level: 3.5Vp-p for ±75KHz deviation.
Input Connector: BNC female.
Composite Amplitude Response: : ≤ ± 0.1dB, from 30Hz to 53kHz
Total Harmonic Distortion + Noise: 0.03% @ 400 Hz
Intermodulation Distortion: 0.03%, 1 KHz/1.3 KHz, 1:1 ratio
Transient Intermodulation Distortion: 0.03%, 2.96 KHz square wave and 14 KHz sine wave.
FM S/N Ratio: -89 dB RMS detector, -85 dB below ±75 KHz deviation, 50 μs de-emphasis, weighted.

STEREO OPERATION

Audio Input Impedance: 600 ohm balanced, 15 Kohm unbalanced.
Audio Input Level: -12 to +12 dBm.
Input Connector: XLR female.
Audio Frequency Response: ±015 dB from 30 Hz to 15 KHz.
Total Harmonic Distortion + Noise: 0,03% @ 400 Hz
Intermodulation Distortion: 0,02%, 60Hz /7kHz 4:1 ratio +4dBu
Transient Intermodulation Distortion: 0.03%, 2.96 KHz square wave and 14 KHz sine wave.
FM S/N Ratio: -85 dB RMS detector, -82 dB below ±75 KHz deviation, 50 μs de-emphasis, weighted.
Stereo Separation: 30÷80 Hz ≥ -53 dB, 80Hz÷15 KHz ≥ -65 dB (Typ. 70 dB).
Crosstalk attenuation: Main to Sub -55 dB 30 Hz to 15 KHz
38 KHz Suppression: ≥ -70 dB (typ. -85 dB).
Pilot Frequency: 19 KHz ± 1 Hz
Phase Pilot: ± 2° adjustable
Output Pilot: 1 Vpp., BNC female
Audio Filter Attenuation: ≥ -55 dB @ 19 KHz, > -45 dB 20 KHz to 100 KHz.
Modes: Stereo, Mono L+R, Mono L, Mono R.

AES/EBU OPERATION

Input Level: -10dBfs to 0dBfs
Input Connector: XLR female, optical TOS-LINK.
Input Impedance: 110 ohm.
Data Format: S/PDF,AES/EBU, IEC958, EIAJCP340/1201.
D/A Converter: 24 bit.
Sampling Frequency: from 32 to 96 KHz with automatic selection
Stereo separation (crosstalk): ≥50dB,100Hz to 5kHz
Amplitude response: ≤ ± 0.1dB, from 30Hz to 15kHz

FM S/N Ratio: -85 dB below ±75 KHz deviation, 50 μs de-emphasis, weighted.

100 watt fm broadcast transmitter