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N7751A 1-Channel Optical Attenuator and Power Meter
The N7751A combines a power-monitored attenuator with two extra power meter channels. It is a compact remote-controlled instrument with fast attenuation and power adjustment, combined with fast power measurement capability.
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Highlights
Measurement capability: attenuator
- settling time: 20 ms attenuation, 100 ms power
- 0.1 to 1000 dB/s attenuation transition speed (selectable)
- +23 dBm input power
- ≤ 1.2 dB insertion loss
Measurement capability: power meter
- Wavelength range: 1260-1640 nm
- Power range: -80 to +10 dBm
- Polarization dependence: <0.01 dB
System capability
- One attenuator channel and two power meters in one half-width rack unit
- Fully compatible with programs developed using the Keysight 8157x and 8156x modular attenuators
- Includes powerful and user-friendly GUI software
- Two instrument configurations can be stored and recalled
The Keysight N7751A combines an attenuator with 2 front-panel power meter channels, offering exceptional performance at a low price. The power meters permit measurements from any point in the measurements setup and assist in calibrating power offsets with respect to the attenuator output.
Extension of N77xx-series
The N7751A attenuator is an extension to Keysight’s high density N77xx-family that establishes a new standard in space-saving fiberoptic instrumentation.
Features and Benefits
- Compact instrument combines and integrates multiple functions for setting attenuation and power levels and optical power measurement to reduce CAPEX and floor space.
- Fast and precise setting of optical power levels with settling times of 100 ms for improved test throughput.
- Active power control to keep output power constant
- The power meters support convenient power offset calibration of the attenuators.
- The instrument can be controlled via LAN and USB, as well as GPIB for compatibility with existing equipment.
- An easy-to-use and intuitive graphical user interface software speeds up the integration process.
Applications
- Optical transceiver testing
- Optical network integration testing
Key Specifications
Attenuation Range
0 dB to 40 dB (45 dB typical)
Fiber input
single-mode
Insertion Loss
typ. ≤ 1.2 dB (excluding connectors); ≤ 2.2 dB (including connectors)
Mainframe Compatibility
Standalone
Number of Channels
1
Power Meter Ports
2
Attenuation Range
Fiber input
Insertion Loss
Mainframe Compatibility
Number of Channels
Power Meter Ports
0 dB to 40 dB (45 dB typical)
single-mode
typ. ≤ 1.2 dB (excluding connectors); ≤ 2.2 dB (including connectors)
Standalone
1
2
View More
Attenuation Range:
0 dB to 40 dB (45 dB typical)
Fiber input:
single-mode
Insertion Loss:
typ. ≤ 1.2 dB (excluding connectors); ≤ 2.2 dB (including connectors)
Mainframe Compatibility:
Standalone
Number of Channels:
1
Power Meter Ports:
2
Power Setting Mode:
-50 dBm to +20 dBm
Wavelength range:
1260 nm to 1640 nm
Standard Configurations
Prev
1-Channel Optical Attenuator and Power Meter
Measurement capability: attenuator
- settling time: 20 ms attenuation, 100 ms power
- 0.1 to 1000 dB/s attenuation transition speed (selectable)
- +23 dBm input power
- ≤ 1.2 dB insertion loss
Measurement capability: power meter
- Wavelength range: 1260-1640 nm
- Power range: -80 to +10 dBm
- Polarization dependence: <0.01 dB
System capability
- One attenuator channel and two power meters in one half-width rack unit
- Fully compatible with programs developed using the Keysight 8157x and 8156x modular attenuators
- Includes powerful and user-friendly GUI software
- Two instrument configurations can be stored and recalled
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