The Keysight 81618A is a single-channel optical head interface module. It is designed to connect Keysight/Agilent 8162x series optical heads to the 8163A/B, 8164A/B, or 8166A/B mainframe systems.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | 1 x Optical Head Connector (proprietary connection for 8162x series), Mainframe Backplane Interface |
| Display | None (utilizes the mainframe display) |
| Storage Temperature | -40 °C to +70 °C |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly through the mainframe backplane slot |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W×H×D) | 75 mm × 32 mm × 335 mm |
| Weight | 0.5 kg |
System Configuration
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
Compatibility & System Accessories
| Parameter | Value |
|---|---|
| Compatible Mainframe Models | 8163A, 8163B, 8164A, 8164B, 8166A, 8166B |
| Compatible Optical Head Models | All Keysight/Agilent 8162x series (including 81620B, 81623B, 81624B, 81625B, 81626B, 81628B and legacy A-series equivalents) |
Physical & Mechanical Properties
| Parameter | Value |
|---|---|
| Module Slot Occupancy | 1 standard mainframe slot |
Connectivity
| Parameter | Value |
|---|---|
| Optical Head Connector | 25-pin D-Sub |
Performance
| Parameter | Value |
|---|---|
| Averaging Time | 100 µs to 10 s |
| Warm-up Time | 1 hour |
Analog Output
| Parameter | Value |
|---|---|
| Analog Output Voltage Range | 0 to 2 V into open circuit |
| Analog Output Impedance | 100 Ω (nominal) |
| Analog Output Connector | BNC |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | < 95% R.H. (non-condensing) |
Technology
Optical Power Measurement Interface
Applications
Connecting Keysight 8162x series optical heads to mainframe systems for high-precision optical power measurements