Range: 

HD Radio only: 1 kW to 1.5 kW (-20 dB HD signal injection ratio)

FM + HD Radio: 2 kW to 3.5 kW (-20 dB HD signal injection ratio)

Exciter: Broadcast Electronics FXi 250esp digital FM/HD exciter

PA Efficiency: 

HD Radio Only: 40% or better at rated power

FM+HD Radio: 50% or better at rated power

Overall AC Efficiency: 

HD Radio only: 20% or better at rated power

FM + HD Radio: 40% or better at rated power

Frequency: 

Range: 87.5 MHz to 108 MHz, programmable in 10 kHz steps

Stability: ±150Hz, -10¼C to +50¼C using high accuracy internal oscillator. 10MHz and 1pps input for synchronization to external (GPS) reference. Automatic switching to internal oscillator if external reference fails.

RF Harmonics Suppression: Internal harmonic filter meets or exceeds all FCC, IC, CE, CCIR and IEC215 requirements. Meets or exceeds standard NRSC-5A emission limits in all operating modes.

Modulation Type: FM digitally synthesized direct to channel, HD digital direct to channel, FM + HD Radio digital direct to channel.

Operation Modes: On the fly mode switching between FM only, FM + HD Radio, and HD Radio only.

FM Modulation Capability: Great than ±300 kHz

Synchronous AM S/N Ratio: 50dB minimum below equivalent 100% amplitude modulation with 75us de-emphasis and 400Hz high pass filter (FM deviation +/- 75kHz by a 400Hz sine wave). 60dB typical below equivalent 100% amplitude modulation with 75us de-emphasis and 400Hz high pass filter (FM deviation+/- 75kHz by a 400Hz sine wave).

Asynchronous AM S/N Ratio: 55dB minimum below equivalent 100% amplitude modulation by 400Hz using 75us de-emphasis (no FM modulation present). 72dB typical minimum below equivalent 100% amplitude modulation by 400Hz using 75us de-emphasis (no FM modulation present).

Impedance: 50 ohm

Regulatory: Meets or exceeds all FCC requirements

Pre-Emphasis: Selectable None, 50 or 75 microseconds

Stereo Pilot Tone: 19kHz ±.03Hz; injection level adjustable 0% to 15% in 0.1% steps; Nominal: 9%; Suppression: 38kHz, 57kHz, 76kHz, and 95kHz; 80dB below ±75kHz deviation.

Stereo Separation: 65dB or better, 20 to 15kHz

Dynamic Stereo Separation: 65dB or better, 20 to 15kHz

Amplitude Response: 0.1dB, 20Hz to 15kHz

Signal to Noise Ratio: 87dB or better below 100% modulation at 400Hz; measured in a 20Hz to 22kHz bandwidth with 75us de-emphasis and DIN ÒAÓ weighting.

Total Harmonic Distortion: <.03%; 20Hz to 15kHz, in bandwidth 20Hz to 22kHz; with 75us de-emphasis.

Intermodulation Distortion: 

 CCIF: <.03% or less (14/15kHz 1:1)

 SMPTE: <.03% (60 and 7kHz 1:1)

Transient Intermodulation Dist: <.03%; (2.96kHz square wave/14kHz sinewave modulation).

Linear Crosstalk: 90 dB below 100% modulation reference

Non-Linear Crosstalk: 80 dB below 100% modulation reference

Audio Overshoot: <.2dB

Mono Performance (AES or analog input): 

Pre-Emphasis: Selectable None, 50 or 75 microseconds

FM Signal to Noise Ratio: 95dB or better below 100% modulation at 400Hz; measured in a 20Hz to 22kHz bandwidth with 75us de-emphasis and DIN ÒAÓ weighting.

Amplitude Response: ±.1dB, referenced to selected pre-emphasis curve.

Intermodulation Distortion: 

 CCIF: .03% or less (14/15kHz 1:1)

 SMPTE: .03% or less (60/7kHz 1:1).

Transient Intermodulation Dist: .03% or less (2.96kHz square wave/14kHz sine wave).

Composite Analog Input: 

FM Signal to Noise Ratio: 95dB or better below 100% modulation at 400Hz; measured in a 20Hz to 22kHz bandwidth with 75us de-emphasis and DIN ÒAÓ weighting.

Amplitude Response: ±.01dB, 20Hz to 53kHz; ±.1dB, 53kHz to 100kHz.

Total Harmonic Distortion: .005% or less over stereo sub band (10Hz to 53kHz) with 75us de-emphasis.

Intermodulation Distortion: 

 CCIF: .005% or less (14/15kHz 1:1)

 SMPTE: .005% or less (60/7kHz 1:1)

Transient Intermodulation Dist: .005% or less (2.96kHz square wave/14kHz sine wave).

Slew Rate: 11.8V/us-symmetrical.

Phase Response Variation: ±.05¼ from linear phase, 10Hz to 100kHz.

Group Delay Variation: ±5ns, 22Hz to 53kHz, ±30ns, 53kHz to 100kHz.

External SCA, RBDS Performance: 

SCA Format: Externally generated, analog FM subcarriers in the range 53-99kHz.

SCA Sub-band Amplitude Response: ±.5dB; 40kHz to 100kHz.

Harmonic Distortion: Less than .2% in audio pass-band of SCA generator.

Intermodulation Distortion: SMPTE (60 and 7kHz, 1:1): 0.2% or less, no pre/de- emphasis, SCA generator low-pass filter bypassed.

Crosstalk: 

 SCA to Stereo: 80dB below 100% modulation, L or R channel with 75us de- emphasis.

 Stereo to SCA: 80dB below 100% modulation referenced to ±6kHz deviation and 150us de-emphasis.

• SCA to SCA: 80dB below 100% modulation referenced to ±6kHz deviation and 150us de-emphasis per channel.

Dual Internal SCA Performance: 

Pre-Emphasis: Selectable: 150us, 75us, 50us, none.

Amplitude Response: ±.5dB; 20Hz to 7kHz.

Subcarrier Frequency: 57kHz to 99kHz.

Signal to Noise Ratio: 80dB with de-emphasis(150us).

Total Harmonic Distortion: .1% 10Hz to 5kHz

SCA Deviation Capability: 1kHz to 10 kHz; software programmable.

Injection Level: 2% to 15%, software adjustable in 0.1% increments.

Spurious & Harmonic: 

 2nd Harmonic: Better than 40dB below subcarrier

 3rd Harmonic: Better than 45dB below subcarrier

All other components: 50Hz to 100kHz: better than 80dB below subcarrier.

RBDS Generator (Internal): 

Subcarrier Frequency: 57kHz, ±0.1Hz.

Injection Level: 2% to 15%, software adjustable.

Mechanical/Physical:

Size: 30.64"W x 30"D x 64"H (77.83 W x 76.2 D x 162.56 H cm)

Weight: 575 lbs (261 kg)

Heat Dissipation: 

HD Radio Only: 3400 watts (11,625 BTU/Hr) @ 1500 watts RF output

 FM + HD Radio: 4900 watts (16,800 BTU/Hr) @ 3500 watts RF output

F Output Connector: 1-5/8" EIA flange

Electrical:

AC Input Voltage: 

3 Phase: 340-440 VAC, 50/60 Hz

Single Phase: 196-252 VAC, 50/60 Hz

Power Factor: .99 or better at 230 VAC

Current Draw: 

 3 Phase: 

• HD Radio Only: 20 amps
• FM+HD Radio: 25 amps

Single Phase: 

 HD Radio Only: 35 amps

 FM+HD Radio: 45 amps

AC Power Consumption: 

HD Radio Only: 4.9 kW @ 1.5 kW RF output FM + HD Radio: 8.4 kW @ 3.5 kW RF output