9-2
Receiver
Frequency Range: 155.000 to 166.075 MHz
Receiving System: Double-Conversion Superheterodyne
Intermediate Frequency: First IF: 21.4 MHz
Second IF: 455 kHz
Sensitivity: -8dBmV at SINAD 12 dB
Adjacent Channel Selectivity: 70 dB min.
Spurious Response Rejection: 70 dB min.
Audio Output: Internal Speaker:3W min. (8ohms)
Handset: 2mW min. (200ohms)
DSC Section
Protocol: Complies with ITU-R Rec. M.493-9 (ClassA), M.541-8
and M.689-2
Modulation Rate: 1200 baud –30 p.p.m. max.
Modulation: AFSK
Modulation Frequency: Mark: 1300 Hz –10 Hz max.
Spece: 2100 Hz –10 Hz max.
Nav. Equipment Interface: IEC61162-1 (NMEA0183 Ver. 2.00)
CH70 Receiver Sensitivity: Symbol Error Rate 10
-2
, input -3dBmV