Keysight (Agilent)
Keysight (Agilent) N4551A
OC-3/STM-1 PDH Jitter/Wander Tester
70 kHz to 3 GHz Frequency Range
2-port test set Number of Ports
50 Ohm Impedance
Keysight E5061B ENA Series Network Analyzer Compatible Instrument
BNC connectors Connector Type

| Attribute | Value |
|---|---|
| Frequency Range | 70 kHz to 3 GHz |
| Number of Ports | 2-port test set |
| Impedance | 50 Ohm |
| Compatible Instrument | Keysight E5061B ENA Series Network Analyzer |
| Connector Type | BNC connectors |
| Test Set Type | Balanced/Unbalanced (Balun) Test Set |
| Measurement Capability | Mixed-mode S-parameters, differential and common-mode measurements |
| Maximum Input Power | +10 dBm |
| Operating Temperature | 0°C to 55°C |
| Power Supply | Powered via interface connection from the E5061B network analyzer |
| Model | N4551A |
|---|
The Keysight (Agilent) N4551A is a high-precision analyzer designed to measure jitter and wander in OC-3/STM-1 PDH signals. It ensures network timing compliance with accurate and reliable timing analysis capabilities for digital transmission systems.
This analyzer is essential for telecom infrastructure testing, offering advanced capabilities to analyze jitter and wander parameters for improved signal integrity.
Testwall can supply the used Keysight (Agilent) N4551A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) N4551A.





