Broadcast Electronics

Broadcast Electronics

Registered User Login
Chinese
English
Portuguese
Spanish
Support

Technical Specifications

 

FXi 250 - Technical Specifications

Apr 16, 2014

GENERAL

RF Power Output25-250W
Output Impedance50 ohms nominal
VSWRRated power into 1.5:1 VSWR. Open and short circuit protected at all phase angles
Frequency Range87.5MHz to 108MHz; 100kHz increments, 10kHz when specified
Frequency StabilityInternal TCXO: +/-100Hz, -10 degrees C to +50 degrees C External Output: +/- accuracy of reference source
Audio InputsAES (wire & optical), L&R analog, composite, SCA/RBDS/RDS external generator input, SCA audio inputs (2); two internal SCA generators, internal RBDS/RDS generator
Modulation TypeDirect-to-channel digitally generated FM (no analog up-conversion); FM only, HD Radio only, or HD Radio + FM
Modulation CapabilityUp to 300kHz
Asynchronous AM S/N Ratio80dB below rated power reference carrier with 100% AM modulation at 400Hz, 75 lsec-de-emphasis with no FM modulation present
Synchronous AM S/N Ratio60dB below rated power reference carrier with 100% AM modulation at 400Hz, 75 lsec-de-emphasis with FM modulation +/- 75kHz at 400Hz
Spurious and Harmonic85dB or better; low pass filter standard
AC Input90 to 264VAC; 47-63Hz
Power Factor0.98 or better
Surge ProtectionTested with IEEE C62.41-1991 recommended waveforms for location category B3 and IEC 801-4 standard waveforms for severity level 4
RegulatoryFCC; DOC; CE; CCIR; IEC 215 Safety

ENVIRONMENTAL

Temperature Range-10 degrees C to +50 degrees C
Altitude10,000 ft (3048 m)
Humidity95% maximum, non-condensing

STEREO PERFORMANCE

Operational ModesStereo, mono (L+R), L only, R only
Input LevelAES: -2dBfs for 100% modulation; 16-24 bits (32, 44.1, 48 or 96kHz typical rates for AES/EBU devices) L&R: +10dBm for 100% modulation into 600 ohms
ImpedanceAES: 110 ohms balanced L&R: 600 ohms or 10k selectable; balanced
ConnectorAES: Wire-XLR, Optical-Toshiba (TosLink) L&R: XLR
Amplitude Response+/- 0.5dB, 20Hz to 15kHz
THD + Noise0.03% or better
IMD Distortion0.03% or better
S/N Ratio85dB or better below 100% modulation @ 400Hz
Stereo Separation70dB, 20Hz to 15kHz
Linear Crosstalk70dB below 100% modulation; 20Hz to 15kHz; main to sub and sub to main
Pilot Stability+/- 0.3Hz, 0 degrees C to +50 degrees C
Audio Overshoot2dB max
38,57,76 and 95kHz Suppression80dB below 100% modulation

COMPOSITE PERFORMANCE

Input Level3.5V p-p for 100% modulation into 10k ohms
ImpedanceBalanced: 10k ohms or 50 ohms selectable Unbalanced: 10k ohms
ConnectorBalanced: BNC Unbalanced: BNC
Amplitude Response+/- 0.01dB; 20Hz to 53kHz; 0.1dB; 53kHz to 99kHz
Phase Response+/- 0.1 degree from linear phase; 53kHz to 100kHz
THD + Noise0.005% or less
IMD Distortion0.005% or less
FM S/N Ratio90dB below 100% modulation @ 400Hz

MONO PERFORMANCE

Operational ModesMono (L+R), L only, R only
Input Level3.5V p-p for 100% modulation into 600 ohms
Impedance600 ohms or 10k ohms selectable
ConnectorXLR
Amplitude Response+/- 5dB; 20Hz to 15kHz
THD + Noise0.05% or less; 20Hz to 15kHz
IMD Distortion0.05% or less; 20Hz to 15kHz
FM S/N Ratio90dB below 100% modulation @ 400Hz

SCA 1&2 PERFORMANCE (INTERNAL)

Operational ModesMono (L+R), L only, R only
Input Level3.5V p-p for 100% modulation into 600 ohms
Impedance600 ohms or 10k ohms selectable
ConnectorXLR
Amplitude Response+/- 0.5dB; 20Hz to 7kHz
THD + Noise0.05% or less; 20Hz to 15kHz
IMD Distortion0.05% or less; 20Hz to 15kHz
FM S/N Ratio90dB below 100% modulation @ 400Hz

RBDS/RDS PERFORMANCE (INTERNAL)

Frequency57kHz
Injection Level2 to 15%; software programmable

SCA/RBDS/RDS (EXTERNAL)

Input Level3.5V p-p for 10% deviation
Impedance10k ohms unbalanced
ConnectorBNC
Amplitude Response+/- 0.5dB; 20Hz to 100kHz
19kHz Output19kHz synchronization clock for external RBDS/RDS operation 2.5V p-p into 50 ohms

PHYSICAL

Height7 inches
Width19" EIA rack mountable
DepthNo rear rails required - fits into 24" deep rack
AirflowIntake and exhaust through back of unit
Weight38 lbs. unpacked

Click to Download Technical Specs (PDF)

Related Products

FXi 250  

 

Contact Us

 

phone: +1 217.224.9600

email: