SNAA433 March   2025 CDC6C

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2BAW Overview
    1. 2.1 BAW Structure Overview
    2. 2.2 BAW Oscillator Advantages
  6. 3IEEE 100Mbps Requirements
    1. 3.1 Test Summary on Channel A
  7. 4CDC6C Clocking DP83822 Evaluation
  8. 5Clocking for Different Ethernet PHY
  9. 6Summary
  10. 7References

3.1 Test Summary on Channel A

Table 3-3 summarizes the specifications for the previous mentioned tests and measured results of channel A from both the CDC6C and quartz oscillators.

Table 3-3 Test Summary Average of 10 Channel A Measurements
Test No. Test Name Low Limit High Limit CDC6C Average Measured Quartz Average Measured Units
1 AOI template N.A 1 0 0 Hits
2 Fall time (Pos) 3 5 3.96897 4.00266 ns
3 Fall time (Neg) 3 5 3.85165 3.89152 ns
4 Rise time (Pos) 3 5 3.96931 4.01750 ns
5 Rise time (Neg) 3 5 3.85290 4.25979 ns
6

RF symmetry (Pos)

 N.A 500.0 140.68743 101.89091 ps
7 RF symmetry (Neg) N.A 500.0 99.86156 51.00726 ps
8 Overshoot (Pos) N.A 5.0 1.73302 2.06688 %
9 Overshoot (Neg) N.A 5.0 1.79440 1.93031 %
10 Differential output voltage (Pos) 0.95 1.05 0.98036 0.98014 V
11 Differential output voltage (Neg0 -1.05 -0.95 - 0.97686

-0.97649

 V
12 Amplitude symmetry 0.98 1,02 1.00449 1.00318
13 Jitter (Pos) N.A 1.4 0.59000 0.58000 ns
14 Jitter (Neg) N.A 1.4 0.53200 0.62000 ns
15 Duty Cycle Distortion N.A 500 251.72400 240.55200 ps