Transmit Duty Cycle; Spurious And Harmonics; Carrier And Modulation Attack Time; Modulation - RF Technology T220 Operation And Maintenance Manual

7 SPECIFICATIONS

7.4.8 Transmit Duty Cycle

100% to 40C, derating to zero at 60C.
100% to 5000ft altitude, derating to zero at 15,000ft.

7.4.9 Spurious and Harmonics

Less than 0.25 µ W

7.4.10 Carrier and Modulation Attack Time

Less than 20ms. Certain models have RF envelope attack and decay times controlled
in the range 200 µ s< t

7.4.11 Modulation

Type - Two point direct FM with optional pre-emphasis
Frequency Response - ± 1 dB of the selected characteristic from 300--3000~Hz
Maximum Deviation - Maximum deviation preset to 2.5 KHz

7.4.12 Distortion

Modulation distortion is less than 3% at 1 KHz and 60% of rated system deviation.

7.4.13 Residual Modulation and Noise

The residual modulation and noise in the range 300 - 3000 Hz is typically less than -
50dB referenced to rated system deviation.
7.4.14 600 Ω Ω Ω Ω Line Input Sensitivity
Adjustable from -30 to +10 dBm for rated deviation

7.4.15HI-Z Input

Impedance - 10K Ω Nominal, balanced input
Input Level - 25mV to 1V RMS
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<2ms according to regulatory requirements.
r/f
RF Technology T220