ZHCU772 December 2021
TIDA-010230 clocking board LMX2820 devices show almost the same results because both are identical on the board. Table 2-2 shows the measured phase noise performance of the LMX2820 on clocking board and comparing with LMX2820EVM results at various clock frequencies.
| Output Frequency (GHz) |
Condition | LMX2820 EVM Measured Phase Noise (dBc/Hz) | Clocking Board Measured Phase Noise (dBc/Hz) |
|---|---|---|---|
| 6 | 10-kHz offset | –111.7 | –111.9 |
| 100-kHz offset | –117.5 | –116.3 | |
| 1-MHz offset | –126.4 | –125.9 | |
| 10-MHz offset | –149.9 | –149.7 | |
| 95-MHz offset | –158.9 | –159.5 | |
| 11 | 10-kHz offset | –106.9 | –107.3 |
| 100-kHz offset | –111.2 | –110.2 | |
| 1-MHz offset | –122.1 | –122.5 | |
| 10-MHz offset | –144.5 | –144.9 | |
| 95-MHz offset | –157.2 | –156.3 | |
| 22 | 10-kHz offset | –100.3 | –101.5 |
| 100-kHz offset | –104.7 | –104.1 | |
| 1-MHz offset | –116.3 | –116.3 | |
| 10-MHz offset | –138.7 | –139.1 | |
| 95-MHz offset | –149.9 | –149.3 |