The Keysight (formerly Agilent / HP) 83446A is a high-performance Lightwave Clock Recovery Receiver designed to extract a precise clock signal from 2.488 Gb/s (OC-48/STM-16) optical telecommunications data streams. It is widely used in optical transceiver testing, eye diagram analysis, and jitter measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None (standalone analog/RF instrument) |
| Display | LED front-panel indicators for Lock and Power status |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to 55 °C |
Input Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength Range | 1200 nm to 1600 nm |
| Data Rates Supported | 2.48832 Gb/s (OC-48 / STM-16) |
| Optical Input Connector Type | HP Universal Interface (supports FC/PC, SC, ST, etc. via adapters) |
| Minimum Optical Input Sensitivity | -19 dBm |
Clock Recovery Performance
| Parameter | Value |
|---|---|
| Clock Output Frequency | 2.48832 GHz |
Output Specifications
| Parameter | Value |
|---|---|
| Output Impedance | 50 Ω |
| Clock Output Connector | SMA female |
| Data Output Connector | SMA female |
Optical Input
| Parameter | Value |
|---|---|
| Optical Return Loss | > 33 dB |
| Maximum Safe Optical Input Power | +10 dBm |
Technology
Lightwave Clock Recovery
Applications
Fiber-optic communications testing, optical clock and data recovery for 2.488 Gb/s (OC-48/STM-16) signals