The Keysight (Agilent/HP) 83487A is a dual-rate optical and electrical receiver plug-in module designed for use with the 83480A Digital Communications Analyzer (DCA) and 54750A Digitizing Oscilloscope mainframes. It provides integrated reference receivers for both 2.488 Gb/s (OC-48/STM-16) and 9.953 Gb/s (OC-192/STM-64) telecom rates, paired with a high-performance 20 GHz electrical channel for comprehensive transceiver and transmitter waveform testing.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | User-interchangeable optical connector adapter, 3.5 mm male RF connector, clock recovery outputs (option dependent) |
| Display | None (uses mainframe display) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly by mainframe slot |
| Operating Temperature | 15 °C to 35 °C (specified accuracy); 0 °C to 55 °C (operating) |
| Dimensions (W×H×D) | Double-wide plug-in module |
| Weight | 1.2 |
System Compatibility & Integration
| Parameter | Value |
|---|---|
| Mainframe Platform Compatibility | HP / Agilent 83480A, HP / Agilent 54750A |
| Required Slot Width | 2 slots |
| Hot-Swappability Support | No (power down mainframe before module installation or removal) |
| Number of Channels | 2 (1 Optical, 1 Electrical) |
Optical Input Specifications
| Parameter | Value |
|---|---|
| Optical Input Wavelength Range | 1200 nm to 1600 nm |
| Fiber Type Compatibility | 9/125 µm (Single-mode) |
| Connector Interface Options | HMS-10/HP, FC/PC, SC, ST, DIN (via user-selectable connector adapters) |
Optical Receiver Performance
| Parameter | Value |
|---|---|
| Supported Filter Rates | 2.488 Gb/s (OC-48/STM-16) and 9.953 Gb/s (OC-192/STM-64) |
| Filter Type | 4th-order Bessel-Thomson filter response |
Electrical & RF Outputs
| Parameter | Value |
|---|---|
| Electrical Channel Bandwidth | 20 GHz |
| Electrical Channel Rise Time (10% to 90%) | 17.5 ps (calculated) |
| Electrical Channel Connector | 3.5 mm (male) |
| Electrical Channel Impedance | 50 Ω |
Clock Recovery & Triggering
| Parameter | Value |
|---|---|
| Clock Recovery Option (Option 010) | Available for 2.488 Gb/s and 9.953 Gb/s |
Optical Performance
| Parameter | Value |
|---|---|
| CW Power Meter Range | +3 dBm to -30 dBm |
| Maximum Average Input Power | 2 mW |
| Maximum Peak Input Power | 10 mW |
| Reference Receiver Wavelengths | 1310 nm / 1550 nm |
Electrical Performance
| Parameter | Value |
|---|---|
| Electrical Scale Factor Range | 1 mV/div to 100 mV/div |
Optical Channel Performance
| Parameter | Value |
|---|---|
| Optical Channel Return Loss | > 33 dB (with straight connector patchcord) |
Electrical Channel Performance
| Parameter | Value |
|---|---|
| Electrical Channel Selectable Bandwidth | 12.4 GHz or 20 GHz |
| Electrical Channel RMS Noise | < 0.25 mV (at 12.4 GHz) / < 0.5 mV (at 20 GHz) |
| Electrical Channel Safe Input Voltage | ±2 V |
Technology
Optical and Electrical Waveform Analysis
Applications
OC-48/STM-16 and OC-192/STM-64 transmitter and receiver compliance testing