400G PM4 BERT Error Code Tester Independent Or Eight Way
Synchronous Test
Performance characteristics:
1. Signal coding mode: NRZ and PAM4, which can automatically switch
freely between NRZ and PAM4 signals.
2, eight-channel synchronous output, used to test 6.144G, 10G, 40G,
100G, 200G and 400G products, error test can be independent or
eight-channel synchronous test.
3, Support continuous error detection and timing error monitoring,
support KP4/KR4 hardware FEC function.
5, the clock frequency of the default 4 frequency division, support
a quarter, 1/8, 1/16, 1/32, 1, 64, 1 / frequency than 128 points.
6,Communication mode: USB to HID. No driver is required. The PC upper computer software communicates
with the device to set the bit error meter and test the bit error
rate.
400G PM4 BERT Error Code specification:
| No. | parameter | Minimum | typical | Max | unit |
| 1 | Signal coding mode | NRZ/PAM4 | |
| 2 | Data rate | 6.144 | 6.144,10.3125,20,25,25.78125,26.5625,28.05 | 28.05 | Gbps |
| 3 | Code type | PRBS7,PRBS9,PRBS11,PRBS13,PRBS15,PRBS16,PRBS23,PRBS31,USER
PRBS13Q,SSPRQ,JP03A,JP03B. | |
| 4 | Ascending and descending time(20% to 80%) | | 14 | 35 | pS |
| 5 | Pattern reversal | Automatic signal reversal at the receiving end | |
| 6 | Signal output amplitude (single-ended) | 200 | 800 | 1000 | mV |
| 7 | 25G data output jitter (RMS) | | 500 | 700 | fs |
| 8 | Data input/output interface | Differential, AC coupling, 50 ohm impedance, female 2.92mm SMA | |
| 9 | Clock output | 0.2 | 6.64 | 13.28 | GHz |
| 10 | Data signal input sensitivity (single-ended) | | 50 | | mVpp |
| 11 | Data output eye graph intersection NRZ | 49 | 50 | 52 | % |
| 12 | PAM4 Eye Height (per eye height) | 80 | 110 | 200 | mV |
| 13 | Linearity of PAM eye map | 0.95 | 0.98 | 1 | |
| 14 | Operating temperature | 10 | 25 | 50 | °C |
U9264Q 400G FR4 Typical test system connection diagram
