Spurious Emission - Furuno FM-8800D Service Manual

6.2.4 Spurious Emission

Acceptable level for spurious emission is as below.
- 146 to 162.0375 MHz
- Other bands
Connect the spectrum analyzer to the antenna terminal of FM-8800S/D as below and
turn on PTT switch to take spurious emissions measurements.
Handset
Fundamental signal
Spurious emission
μ
: 2.5
μ
: 10
ANT
FM-8800S
FM-8800D
CH70 ANT
Fig. 6.2.3 Spurious Emissions Measurement
Measure
Fig. 6.2.4 Spectrum Analyzer Panel
W (less than -70 dB for 25 W)
W (less than -64 dB for 25 W)
50 ohm
ATT(30dB)
6-7
6.2 Measurement
Spectrum
Analyzer