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BE FMi1405, HD FM Transmitter
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Operation modes of FM, FM + HD
Radio, and HD Radio only
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Comes standard with the FXi 250
FM/HD Radio Digital Exciter
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Comes standard with the FSi 10 HD
Radio Signal Generator
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Optional audio bypass operation to
ensure integrity of analog audio path
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Solid-state RF modules
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Redundant power supplies
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True proportional VSWR foldback
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Direct to Channel digital
frequency synthesis
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Frequency agile to cover the
entire FM band
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HD Radio Only Power Range: 2,000
to 5,600Watts
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FM + HD Radio Power Range: 6,000
to 14,000Watts
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Full front panel functional
control
RF Specs
Output Power:
Range:
HD Radio only: 2 kW to 5.6 kW
FM + HD Radio: 6 kW to 14 kW
Efficiency:
HD
Radio only: 30% or better
FM +
HD Radio: 55% or better
VSWR: Rated power
into 1.5:1 VSWR, capable of operating in to higher VSWR with
automatic power reduction, open and short circuit protected at all
phase angles
Impedance: 50 ohm
Frequency:
Range: 87.5
MHz to 108 MHz, tuned to specific operating frequency, exciter
programmable in 10 kHz steps
Stability:
Internal 10 MHz reference: ±300 Hz, 0 to 50°
C
External 10 MHz reference (GPS): Determined
by source
RF Harmonics
Suppression: Suppression meets all FCC/DOC requirements and CCIR
recommendations
Modulation:
Modes: FM only, FM + HD Radio, and HD Radio only
Capabilities: ±300 kHz FM Mode
Regulatory: Meets
IEC 215 safety requirements
Audio
Specifications with FXi 250 Exciter
Modes: Stereo,
mono (L+R), L only, R only
Stereo:
Connector Type:
AES: Wire – XLR, Optical – Toshiba (TosLink)
L&R: XLR
Input
Level:
AES: -2 dBfs
for 100% modulation; 16-24 bits (32, 44.1, 48 or 96 kHz typical
rates for AES/EBU devices)
L&R:
+10 dBm for 100% modulation into 600 ohm
Impedance:
AES: 110 ohm balanced
L&R: 600 ohm or 10 kOhm selectable; balanced
Amplitude Response:
AES: ±0.5 dB, 20 Hz to 15 kHz
L&R: ±0.5 dB, 20 Hz to 15 kHz
THD +
Noise:
AES: 0.05% or better
L&R: 0.05% or better
Intermod Dist:
AES: 0.05% or better
L&R: 0.05% or better
S/N
Radio:
AES: 82 dB or better below 100% modulation @
400 Hz
L&R: 82 dB or better below 100% modulation @
400 Hz
Separation:
AES: 50 dB, 20 Hz to 15 kHz
L&R: 50 dB, 20 Hz to 15 kHz
Linear
Crosstalk: 45 dB below 100% modulation; 20 Hz to 15 kHz; main to
sub and sub to main
Pilot
Stability: ±0.3 Hz, 0º C to 50º C
38,
57, 76, 95 kHz Suppression: 80 dB below 100% modulation
Asychronous
AM S/N Ratio: 55 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM
modulation present
Synchronous
AM S/N Ratio: 50 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with FM
modulation ±75 kHz at 400 Hz
Pre-emphasis: None, 50 µs, or 75 µs; software programmable
Composite:
Connector Type: BNC (2); unbalanced, balanced
Input
Level: 3.5 V p-p for 100% modulation into 10 kOhm
Impedance: Balanced: 10 kOhm or 50 ohm selectable, Unbalanced: 10
kOhm
Amplitude Response: ±0.01 dB 20 Hz to 53 kHz; 0.1 dB 53 kHz to 99
kHz
Phase
Response: ±0.1º from linear phase; 53 kHz to 100 kHz
THD +
Noise: 0.02% or less
Intermod Dist: 0.02% or less
S/N
Radio: 85 dB below 100% modulation @ 400 Hz
Asychronous
AM S/N Ratio: 55 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM
modulation present
Synchronous
AM S/N Ratio: 50 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with FM
modulation ±75 kHz at 400 Hz
Mono:
Connector Type: XLR
Input
Level: 3.5 V p-p for 100% modulation into 600 ohm
Impedance: 600 ohm or 10 kOhm selectable
Amplitude Response: ±0.5 dB; 20 Hz to 15 kHz
THD +
Noise: 0.02% or less; 20 Hz to 15 kHz
Intermod Dist: 0.02% or less, 20 Hz to 15 kHz
S/N
Radio: 85 dB below 100% modulation @ 400 Hz
Asychronous
AM S/N Ratio: 55 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM
modulation present
Synchronous
AM S/N Ratio: 50 dB below rated power reference carrier with
100% AM modulation at 400 Hz, 75 µs de-emphasis with FM
modulation ±75 kHz at 400 Hz
SCA:
Internal:
Input Level: +10 dB for 10% modulation into
600 ohm
Impedance: 600 ohm or 10 kOhm selectable
Amplitude Response: ±0.5 dB; 20 Hz to 7 kHz
S/N Ratio: 60 dB or better
Frequency: 20 kHz to 99 kHz; software
programmable
Deviation: 2.5 to 10 kHz; software
programmable
Injection Level: 2% to 15%; software
programmable
External:
Connector Type: BNC
Input Level: 3.5 V p-p for 10% deviation
Impedance: 10 kOhm unbalanced
Amplitude Response: ±0.5 dB; 20 Hz to 100
kHz
RDS:
Internal:
Frequency: 57 kHz
Injection Level: 2% to 15%; software
programmable
External:
Connector Type: BNC
Input Level: 3.5 V p-p for 10% deviation
Impedance: 10 kOhm unbalanced
Amplitude Response: ±0.5 dB; 20 Hz to 100 kHz
19 kHz: 19
kHz synchronization clock for external RBDS/RDS operation 2.5 V
p-p into 50 ohm
Mechanical/Physical
Size:
Unpacked: 89.0"W x 70"H x 26.5"D (225cm x 178cm x 68cm)
Weight:
Unpacked: 1350 lbs
RF Output
Connector: 3 1/8” EIA female (1 5/8” optional)
Environmental
Temperature: 0°
to +50° C
Altitude: 7500
ft. (2286 M) @ 50 Hz; 10,000 ft. (3048 M) @ 60 Hz
Humidity: 0-95%
Non-Condensing
Electrical
AC Input Voltage:
3-Phase: 196
to 252 VAC, 50/60Hz, 3-phase, Closed Delta or WYE (3 or 4 wire);
340 to 435VAC, 50/60Hz, 3-phase, 4 wire, WYE only
Single Phase: 196 to 252 VAC, 50/60 Hz
Disconnect Size:
3-Phase:
HD Radio only: 55 A recommended, per cabinet
FM + HD Radio: 70 A recommended, per cabinet
Single Phase:
HD Radio only: 80 A recommended, per cabinet
FM + HD Radio: 100 A recommended, per
cabinet
AC Wire Size:
3-Phase:
HD Radio only: #4 AWG, Copper, THHN or
equivalent
FM + HD Radio: #6 AWG, Copper, THHN or
equivalent
Single Phase:
HD Radio only: #3 AWG, Copper, THHN or
equivalent
FM + HD Radio: #1 AWG, Copper, THHN or
equivalent
Power
Consumption:
HD
Radio only: 18 kW @ 5.6 kW RF output
FM +
HD Radio: 26 kW @ 14 kW RF output
Cooling Air
Requirements: 2700 CFM
Power Factor:
0.98 at 230 VAC
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