Keysight (Agilent)
Keysight (Agilent) N4877A
Clock data recovery and 1:2 demultiplexer, 50 Mb/s to 32 Gb/s
50 Mb/s to 32 Gb/s Data Rate
Tunable up to 20 MHz, selectable peaking Loop Bandwidth
As low as 100 fs rms Residual Clock Jitter
Built-in 1:2 Demultiplexer
USB, LAN Interfaces

| Attribute | Value |
|---|---|
| Data Rate | 50 Mb/s to 32 Gb/s |
| Loop Bandwidth | Tunable up to 20 MHz, selectable peaking |
| Residual Clock Jitter | As low as 100 fs rms |
| Demultiplexer | Built-in 1:2 |
| Interfaces | USB, LAN |
| Dimensions (W x H x D) | 228 x 59 x 360 mm (bench top) |
| Weight | 2.9 kg |
The N4877A is a clock data recovery unit with built-in 1:2 demultiplexer, operating from 50 Mb/s to 32 Gb/s. It offers tunable loop bandwidth up to 20 MHz with selectable peaking, high input sensitivity and clock outputs with residual jitter as low as 100 fs rms.
Complements J-BERT and ParBERT receiver test setups between 12.5 and 28.4 Gb/s and is the counterpart to the N4876A multiplexer; a 16G version operates up to 16.5 Gb/s. Controlled via a GUI over USB.
Testwall can supply the used Keysight (Agilent) N4877A, fully tested, with a 12-month warranty and delivery across Europe. Calibration can be arranged on request before shipping. Please contact us if you need calibration or repair of the Keysight (Agilent) N4877A.





