Specifications - Raymarine Ray 53 User Manual

2.

SPECIFICATIONS

Transmitter
Channels
Frequency Stability
Frequency Range
Channel Spacing
Power Output
Modulation
Modulation Audio Response Shall not vary +1/-3 dB from true 6 dB pre-emphasis from 300
FM Hum & Noise level
Audio Distortion
Spurious & Homonic
Emissions
Antenna Impedance
Transmitter Protection
All available US,International and Canada VHF Marine band
+/- 10PPM(+/- 0.001%)
(-20 C to +50 C)
156.025 to 157.425MHz
25 kHz Increments
25 Watts switchable to 1 Watt into 50 Ohms at 13.6 VDC
Frequency modulated 16F3
(+/-4.5kHz at 1000Hz)
to 2500Hz, reference 1000Hz. Audio frequencies 3-20 kHz
shall be attenuated(at 1 kHz by 60 log f/3 dB. Above 20kHz
by 50dB)
Less than –40dB below audio
Less than 10% at 1kHz for 3kHz deviation
Attenuated at least 43+10log Po(below ratd radiated carrier
power) per FCC Rules Part 2 & 80
50 Ohm
Shall survive open or short circuit of anttena system without
damage(10 min.test)