
FAA20 Embedded NEXCOM Vocoder
Board Manual
This manual has been prepared for the Federal Aviation Administration.
FA100-00107 (March 2004) – Rev 1.0.0 Page 47
Figure 21: TEST SWEEP Example
COM1: mix off
> MIX AUD -- OFF
> MIX PCM -- OFF
> MIX VOC -- OFF
> MIX COM -- OFF
> MIX TON -- OFF
COM1: mix aud ton 5a9d
> MIX AUD <- TON (0x5A9D)
COM1: mix com aud 7fff
> MIX COM <- AUD (0x7FFF)
COM1: test sweep b
> FREQ 0000 Hz = -81.29 (dBm0)
> FREQ 0125 Hz = -2.07 (dBm0)
> FREQ 0250 Hz = -0.46 (dBm0)
> FREQ 0375 Hz = -0.21 (dBm0)
> FREQ 0500 Hz = -0.14 (dBm0)
> FREQ 0625 Hz = -0.07 (dBm0)
> FREQ 0750 Hz = +0.03 (dBm0)
> FREQ 0875 Hz = +0.08 (dBm0)
> FREQ 1000 Hz = -0.01 (dBm0)
> FREQ 1125 Hz = -0.23 (dBm0)
> FREQ 1250 Hz = -0.50 (dBm0)
> FREQ 1375 Hz = -0.71 (dBm0)
> FREQ 1500 Hz = -0.80 (dBm0)
> FREQ 1625 Hz = -0.88 (dBm0)
> FREQ 1750 Hz = -1.04 (dBm0)
> FREQ 1875 Hz = -1.35 (dBm0)
> FREQ 2000 Hz = -1.77 (dBm0)
> FREQ 2125 Hz = -2.22 (dBm0)
> FREQ 2250 Hz = -2.67 (dBm0)
> FREQ 2375 Hz = -3.13 (dBm0)
> FREQ 2500 Hz = -3.61 (dBm0)
> FREQ 2625 Hz = -4.14 (dBm0)
> FREQ 2750 Hz = -4.74 (dBm0)
> FREQ 2875 Hz = -5.40 (dBm0)
> FREQ 3000 Hz = -6.15 (dBm0)
> FREQ 3125 Hz = -6.93 (dBm0)
> FREQ 3250 Hz = -7.68 (dBm0)
> FREQ 3375 Hz = -8.39 (dBm0)
> FREQ 3500 Hz = -9.23 (dBm0)
> FREQ 3625 Hz = -10.61 (dBm0)
> FREQ 3750 Hz = -12.92 (dBm0)
> FREQ 3875 Hz = -16.28 (dBm0)
COM1:
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