jalinmes
Junior Member level 2
is the calculation this way correct.
If by following table 8.1 at the link shown below,
**broken link removed**
(b)&(c) specs are taken into account because it is more relax.
cdma baseband is 600KHz so RF band is 1.2MHz so based on the specs for 30KHz resolution, the specs will be -60 + 10 log(1200/30)= -43.98 dBm
and
based on the specs for 1MHz resolution, the specs will be -55+10 log(1.2/1)=-53.93dBm
If the calculation above is correct and by following the specs of (b)&(c) then
the emission mask will be like what is shown below,
900K~1.385MHz = -43.98dBm
1.385MHz~1.98MHz = -53.93dBm
1.98MHz~2.465MHz = -43.98dBm
>2.465MHz = -53.93dBm
this power emission mask becomes very strange? how come the power level would be up and down and up and down?
any comment?
If by following table 8.1 at the link shown below,
**broken link removed**
(b)&(c) specs are taken into account because it is more relax.
cdma baseband is 600KHz so RF band is 1.2MHz so based on the specs for 30KHz resolution, the specs will be -60 + 10 log(1200/30)= -43.98 dBm
and
based on the specs for 1MHz resolution, the specs will be -55+10 log(1.2/1)=-53.93dBm
If the calculation above is correct and by following the specs of (b)&(c) then
the emission mask will be like what is shown below,
900K~1.385MHz = -43.98dBm
1.385MHz~1.98MHz = -53.93dBm
1.98MHz~2.465MHz = -43.98dBm
>2.465MHz = -53.93dBm
this power emission mask becomes very strange? how come the power level would be up and down and up and down?
any comment?
Last edited: