104
●
RECEIVER (for Voice and DSC)
Circuit Type .......................................... Double-Conversion Superheterodyne
Intermediate Frequencies ....................................... for Voice 1st: 38.85 MHz
2nd: 450 kHz
for DSC 1st: 30.4 MHz
2nd: 450 kHz
Sensitivity .................................
for Voice 0.25 μV for 12 dB SINAD (U.S.A.)
-5 dBμ for 20 dB SINAD (EXP)
for DSC 0.5 μV for 12 dB SINAD (U.S.A.)
0 dBμ for 20 dB SINAD (EXP)
Adjacent Channel Selectivity ..................................................... 70 dB typical
Intermodulation .......................................................................... 70 dB typical
Hum & Noise Ratio .................................................................... 45 dB typical
Selectivity ..................................................
12 kHz / 25 kHz (−6 dB / −60 dB)
AF Output (Internal SP) ..................
700 mW @16 Ω for 10 % THD (@7.4 V)
●
GPS
Receiver Channels ..................................................................... 66 Channels
Sensitivity .....................................................................
Less than −147 dBm
Time to First Fix ................................................... 1 min typical (@Cold Start)
5 sec typical (@Hot Start)
Geodetic Datum ................................................................................. WGS84
●
FM BROADCAST RECEIVER
Frequency Range: ............................................................ 65 MHz - 108 MHz
Frequency Step: ................................................................................ 100 kHz
Sensitivity: ................................................................
1.0 μV for 12 dB SINAD
Symbols placed on the equipment
Direct current
Содержание HX890
Страница 1: ...HX890 HX890E Class H DSC GPS Transceiver Owner s Manual...
Страница 113: ...111 NOTE...
Страница 114: ...112 NOTE...