Furuno – Furuno FS-5070 User Manual
Page 211
FURUNO
FS-1570/2570/5070
SP - 3
E5656S01A-M
080414
2.2.7 Selectivity
-6 dB: 270 Hz to 300 Hz, -30 dB: within ± 380 Hz,
-60 dB: within ± 550 Hz
2.2.8 Receiving system
Double-conversion superheterodyne
2.2.9 Radiation
within 4 nW
2.2.10 RX error rate
1 % or less at 1 µV input voltage
2.2.11 Spurious response
31.6mV non-modulated at 10µV input voltage,
at error rate within 1%
2.2.12 Scanning reception
max. 6 frequencies within 2 s (MF/HF)
2.2.13 Diagnosis
Transmit high frequency signal of DSC
2.3 DSC/WATCH
RECEIVER
(FS-5070)
2.3.1 Frequency
range
DISTRESS
2187.5/ 8414.5 and 4207.5/ 6312/12577/16804.5 kHz
ROUTINE
1,606.5 kHz to 27.5 MHz
2.3.2 Class of emission
F1B, J2B
2.3.3 Antenna impedance
50 ohm
2.3.4 Local oscillator
1st: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
2.3.5 Frequency stability
±10 Hz
2.3.6 Intermediate frequency 1st: 54,455 kHz, 2nd: 455 kHz
2.3.7 Selectivity
-6 dB: 270 Hz to 300 Hz, -30 dB: within ± 380 Hz,
-60 dB: within ± 550 Hz
2.3.8 Receiving system
Double-conversion superheterodyne
2.3.9 Radiation
within 2 nW
2.3.10 RX error rate
1 % or less at 1 µV input voltage
2.3.11 Spurious response
31.6mV non-modulated at 10µV input voltage,
at error rate within 1%
2.3.12 Scanning reception
max. 6 frequencies within 2 s (MF/HF)
2.3.13 Diagnosis
Transmit high frequency signal of DSC
2.4 GENERAL Watch KEEPING receiver (FS-2570, option)
2.4.1 Frequency Range
1,606.5 kHz to 27.5 MHz
2.4.2 Class of Emission
J2B, F1B
2.4.3 Antenna Impedance
50 ohms
2.4.4 Local Oscillator
1st: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
2.4.5 Frequency Stability
within ±10 Hz
2.4.6 Intermediate Frequency 1st: 54,455 kHz, 2nd: 455 kHz
2.4.7 Selectivity
-6 dB: 270 Hz to 300 Hz,
-30 dB: within ± 380 Hz,