Frequency Range And Channel Spacing; Frequency Synthesizer Step Size; Frequency Stability; Number Of Channels - RF Technology Eclipse Series Operation And Maintenance Manual

7 SPECIFICATIONS
7.4.2 Fr equency Range and Channel Spacing
Frequency
806-830 MHz
850-870 MHz
928-942 MHz
7.4.3 Fr equency Synthesizer Step Size
Step size is 10 / 12.5kHz or 5 / 6.25kHz, fixed, depending upon model
7.4.4 Fr equency Stability
±1 ppm over 0 to +60 C, standard
±1ppm over -20 to +60 C, optional
7.4.5

Number of Channels

100, numbered 00 - 99
7.4.6

Antenna Impedance

50Ω
7.4.7

Output power

Preset for 2-15 or 2-25W depending upon model
7.4.8 Tr ansmit 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 Spur ious and Har monics
Less than 0.25µW
7.4.10 Car r ier and Modulation Attack Time
Less than 20ms. Certain models have RF envelope attack and decay times controlled in the
range 200µs< t <2ms according to regulatory requirements.
r/f

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
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RF Technology T800
25 kHz 12.5 kHz
T800A T800AN
T800B T800BN
T800C T800CN

7.4.2 Frequency Range and Channel Spacing

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