Operating instructions

RF Technology T350/T500 Page 22
7.4.8 Transmit Duty Cycle 7 SPECIFICATIONS
7.4.7 Output power
Preset for 2-15 or 2-25W depending upon model
7.4.8 Transmit Duty Cycle
100% to 40C, de-rating to zero at 60C.
100% to 5000ft altitude, de-rating to zero at 15,000ft.
7.4.9 Spurious and Harmonics
Less than 0.25µW
7.4.10 Carrier and Modulation Attack Time
Less than 20ms. Certain models have RF envelope attack and decay times controlled in
the range 200µs< t
r/f
<2ms according to regulatory requirements.
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 or 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 600Ω Line Input Sensitivity
Adjustable from -30 to +10 dBm for rated deviation
7.4.15 HI-Z Input
Impedance - 10KΩ Nominal, balanced input
Input Level - 25mV to 1V RMS
7.4.16 Test Microphone Input
200Ω dynamic, with PTT