PBT8812/PBT4412/PBT8812B-Semight Instruments

Features

Hardware FEC
Supports protocol-compliant hardware
FEC analysis
Rich pattern
Support PRBS7~31Q
SSPRQ/JP03A/JP03B/LIN/Square wave/CJT/user-defined patterns
etc.
Link compensation
Supports 64-order CTLE receiver equalization
Supports de-emphasis in 3rd/7th order mode
Error injection
Support error injection and input and output polarity switching

Features and Benefits

Real FEC Analysis
SNR Monitor
PreBER/PostBER Measurement
Symbol Error Distribution
FEC Margin test
Real-time data monitoring
Real-time bit error monitoring
Stay informed about emergencies during testing
Historical data query
Data store local database
Call test records at any time

Technical Specifications

*SSPRQ Pattern @ 53.125 Gbaud, differential eye diagram @ Keysight DCA 1092C

Default: PBT8812 ▷ PBT8812 only ※ PBT8812B only ◥ sFEC option only

Pattern Generator	Output type	PAM4/NRZ
	Termination	Differential; AC-coupled;
	Test Pattern	PRBS 7/9/11/13/15/16^▷/23/31; PRBS 7Q/9Q/11Q/13Q/15Q/16Q^▷/23Q/31Q;
		SSPRQ, JP03A/JP03B^▷, LIN^▷, Square Wave^▷;
		User Defined Pattern (32bits^※/ 64bits^▷)
	Symbol rate (Gbaud)	24.33/24.8832/25/25.78125/26.5625/27.89/27.95/ 28.05/28.125/28.2/28.9/30^▷； ^① 48.66/49.7664/51.5625/53.125/56/56.25/56.4/57.8;
	Frequency accuracy (Typical)	±50 ppm
	Maximum output amplitude (differential)^②	650 mVp-p/ 1000 mVp-p^※
	Rise time (20%–80%)^③	<10 ps
	Fall time (20%–80%)^③	<10 ps
	Data output RMS jitter	<250 fs
	Connector	1.85 mm female, 50 Ω

① Optional.

② Net measured value at PG port.

③ Measured with 56.25Gbps NRZ signal.

Default: PBT8812 ▷ PBT8812 only ※ PBT8812B only ◥ sFEC option only

Trigger Output	Output amplitude	>300 mVp-p
	Output type	AC-coupled, Single-ended
	Frequency division ratio	4/8/16/32
	Connector	2.92 mm female, 50Ω
Error Detector	Input type	Differential PAM4/NRZ
	Termination	Differential; AC-coupled;
	Amplitude (differential)^①	650 mVp-p^▷◥/ 1000 mVp-p^※
	Sensitivity (differential)^②	100 mVp-p^▷◥/ 300 mVp-p^※
	Data patterns	PRBS 7/9/11/13/15/16^▷/23/31; PRBS 7Q/9Q/11Q/13Q/15Q/16Q^▷/23Q/31Q;
	Symbol rate (Gbaud)	24.33/24.8832/25/25.78125/26.5625/27.89/27.95/ 28.05/28.125/28.2/28.9/30^▷◥；^③ 48.66/49.7664/51.5625/53.125/56/56.25/56.4/57.8;
	SNR indicator	Built-in
	Synchronization type	Auto Synchronization (level/phase)
	Connector	1.85 mm female, 50 Ω

① Net measured at Rx port.

② BER might reach to E-3 level or even LOS while input signal less than sensitivity threshold.

③ Optional.

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