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Features:
Adjustable CPU frequency panel
Frequency modulation and constant
All functions via LCD password protected
Instant front panel programmability in 10 kHz increments
Frequency modulation broadcast anywhere in campus
Includes low pass/harmonic filter and can be used as a stand-alone transmitter
AW-HCM 1/3/5/10/30/50W FM transmitter
Rated Output Power: 1-50 W continuously variable (ALC)
RF Output Connector: "N" type female
RF Output Impedance: 50 ohm
Frequency Range: 87.5 MHz to 108 MHz
Frequency Programmability: Direct from front panel in 10 kHz increments
Frequency Stability: Better than 5 ppm (± 500 Hz)
Modulation Type: Direct carrier frequency modulation
Spurious & Harmonic Suppression: < - 80 dB or better
Stereo Separation 55 dB @ 1 kHz

Distortion < 0.1 % (typ. 0.06 %) @ 1 kHz
Asynchronous AM S/N Ratio: 65 dB below reference carrier with 100% amplitude modulation at 400 Hz without de-emphasis, no FM modulation present
Synchronous AW S/N Ratio: 60 dB or better below reference carrier with 100% amplitude modulation at 400 Hz, without de-emphasis, FM modulation = ± 75 kHz at 400 Hz
AC Power Requirement: 117 or 230 V, ± 10%, 50-60 Hz, single phase internally switchable
Power Consumption: Approx. 280 W from AC
Panel Size: 483 mm (19") W x 88 mm (3.4") H (3 standard rack spaces high)
Overall Depth: 410 mm (16")
Weight: 9 Kg (20 Lbs)
Ambient Temperature Range: 0° To 50° C (32° To 122° F)
Pre-emphasis: For FCC 75 µ Sec; For CCIR 50 µ Sec internally selectable

Composite Operation
Composite Inputs: Four total, 1 for MPX and 3 for SCA
MPX Input: 1 unbalanced BNC connector
MPX Input Impedance: 2k ohm
MPX Input Level: 3.5 Vp-p (1.237 Vrms/3.64 dBm)
Composite FM unweighed S/N ratio: >68 dB below ± 75 kHz deviation at 400 Hz measured in
A 30 Hz to 100 kHz bandwidth with 75 µ Sec de-emphasis (RMS)
Composite Total Harmonic Distortion: 0.05% typical
Composite Intermediation Distortion: 0.05%, measured with a 1 kHz and a 1.3 kHz tone, 1: 1 ratio, at 100% modulation
Baseband: 30 Hz -60 kHz within 0.15 dB
Crosstalk: Main to stereo sub channel and stereo sub channel to main >55 dB (60 dB typical)

SCA Inputs: 3 unbalanced BNC connectors
SCA Input Impedance: 10k ohm
SCA Input Levels: 0 dBm (775 mVrms/2.2 Vp-p) nominal for ± 7.5 kHz deviation, adjustable
SCA Amplitude Response: ± 0.8 dB, 40 kHz to 100 kHz
Crosstalk: 67 kHz SCA to main or to stereo sub channel >65 dB
Crosstalk: 92 kHz SCA to main or to stereo sub channel >70 dB
Monaural Operation
Audio Input Impedance: 600 ohm balanced or unbalanced; 50 dB common mode suppression
Audio Input Level: 0 dBm (775 mVrms/2.2 Vp-p) for ± 75 kHz, adjustable
FM S/N Ratio: >70 dB below ± 75 kHz, deviation at 400 Hz measured in a 30 Hz to 20 kHz
Bandwidth with 75 µ Sec de-emphasis (RMS)
Audio Frequency Response: ± 0.8 dB, 30 Hz to 15 kHz
Lntermodulation Distortion: 0.05% or less, measured with a 1 kHz and a 1.3 kHz tone, 1: 1
Ratio, at 100% modulation