gps receiver budget分析

gps receiver gain and NF budget 1
|Parameter |Input |Active |IR. |Front-END|2b ADC |
| | |ant. |Filter | | |
|Block NF (dB) | |2 |3 |5 |(+1) |
|Cacsaded NF (dB) | |2 |2 |2.5 |3.5 |
|Gain (dB) | |18 |-3 |120 | |
|Cascaded Gain (dB)| |18 |15 |135 | |
|Carrier Power |-140 |-122 |-125 |-5 | |
|(dBm) | | | | | |
|Noise density |-174 |-154 |-157 |-36.5 | |
|(dBm/Hz) | | | | | |
|Noise Power (dBm) |-111 |-91 |-94 |26.5 | |
|SNR (dB)