Standard Horizon HX890 Owner's Manual page 106
Class-h dsc gps transceiver
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Also See for HX890:
- Firmware update instruction manual (5 pages) ,
- Owner's manual (107 pages)
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● RECEIVER (for Voice and DSC)
Circuit Type .......................................... Double-Conversion Superheterodyne
Intermediate Frequencies ....................................... for Voice 1st: 38.85 MHz
Sensitivity ................................. for Voice 0.25 μV for 12 dB SINAD (U.S.A.)
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)
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
104
-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)
2nd: 450 kHz
for DSC 1st: 30.4 MHz
2nd: 450 kHz
5 sec typical (@Hot Start)
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