Spurious Emissions At Antenna Terminal (Fcc Rule Part 2.1051) - Furuno FS-2570 Technical Information

Pub. No.: SB-2241
Date : November 1, 2002
3 . 5 SPURIOUS EMISSIONS AT ANTENNA TERMINAL (FCC Rule
Part 2 . 1 0 5 1 )
3 . 5 . 1 Method of Measurement
The transmitter is connected with measuring equipment as in Fig. 3.5.1.
The transmitter is modulated with 2 audio tones 400 Hz and 1800 Hz in equal level. The input
level is adjusted to 10 dB above the level producing PEP output of 250 W.
Audio Signal Gen.
Model AG-253
S/N: 1100026
Kenwood
Audio Signal Gen.
Model AG-253
S/N: 7090003
Kenwood
3 . 5 . 2 Test Result
See Fig. 3.5.2 to 3.5.24 for the Spectrum on each test frequency.
spectrum is observed with 2 sweep rates.
Audio Volt-Meter
Model 161
S/N: 2961776
Kikusui
EUT
SSB RADIOTELEPHONE
DC Power Supply
Model GP035-50R
S/N: 13086029
Takasago
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Fig. 3.5.1
On test frequencies
66
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Watt Meter
Model DJ522-OH-2
S/N: 46507
Tokyo Denpa
-43 dB Coupler
Spectrum Analyzer
Model TR4173
S/N: 85580030
Takeda Riken
Plotter
Model HI-80
S/N: 02006569
Epson