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Cross Technologies 450R - Audio, Modulation, and Demodulation Specs

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TABLE 1-1 SPECIFICATIONS
Audio Interface:
Input/Output
Frequency range ..................... 40 Hz to 15 kHz
Peak program level ................. +9 or+18 dBm selectable
Impedance ............................ 600 or high Z in 600 or low Z out Balanced,
transformer coupled
Connector type ...................... Terminal block
Audio Characteristics: (with 3:1 compandor and emphasis)
Dynamic range ....................... >90 dB
Frequency response ................ ±0.25 dB
Total harmonic distortion
(1 kHz @ PPL) ...................... <0.1%
Intermodulation distortion .......... <1%
Interchannel phase difference
1000 Hz ........................ <6°
50 Hz and 15 kHz ............ <10°
Compandor type .................... 3:1 improved
Modulator Characteristics:
Output frequency range ............ Frequency agile from 1.0 to 9.99 MHz in 10kHz steps.
Frequency stability ................. ±300 Hz over operating temperature range.
Connector type ...................... BNC Female
Peak carrier deviation(PPL) ....... ±75 kHz (adj.)
Subcarrier level ...................... 25 to 100 mV P/P (adj.)
Output impedance ................... bridging (>4 k ohms)
Demodulator Characteristics:
Input frequency range .............. Frequency agile from 1.0 to 9.99 MHz in 10 kHz steps.
Operating channel spacing ......... 280 kHz, minimum
Connector type ...................... BNC Female
Impedance ........................... bridging (>4 k ohms)
Input level ............................ 25 to 100 mV
Recommended operating conditions for satellite applications ...... C/n61 db•Hz
450 Operation Manual Rev A Page 8 8/26/99