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Optical Links

Modular 40 GHz Optical Link 

The Modular Link is a highly customisable wideband microwave optical link. The links utilise 1RU 19-inch rack enclosures, each housing up to four transmitter or receiver modules. The modules are configured to suit customer requirements and transmit/receive pairs feature flat gain response over frequency.

Features:

  • Frequency range up to 40 GHz
  • Flat frequency response
  • Up to 4 transmit/receive modules in each 1RU 19-inch rack enclosure
  • BIT

Four Channel Optical Link 

The Four Channel Optical Link is a wideband microwave optical link with a 40GHz bandwidth, suitable for antenna remoting and other applications. It caters for up to four RF inputs to the transmitter, each modulated onto an optical carrier across four separate channels. The receiver demodulates the four optical carriers to generate four separate RF outputs. This link uses external modulation for maximum dynamic range across the full 40 GHz bandwidth. Each channel of the link is fully isolated with separate laser, modulator and photodetector. The receiver module can be battery operated to allow for use in remote locations.

Features:

  • Frequency range 0.5-40 GHz (2-20 GHz option also available)
  • Flat frequency response
  • Low spurious output
  • Independent channel control and monitoring
  • 1U 19-inch rack mount transmitter module
  • Compact receiver module, only 271 mm x 257.4 mm x 102.6 mm

Spec Sheet and Certificates

  • L3Harris Optical Links Spec Sheet

    Optical Links Spec Sheet

  • Earnings Presentation

    Space and Airborne Systems Australia Certifications

Optical Links Specifications

Technical Specifications
Frequency Range 0.5-40 GHz (2-20GHz option available)
Maximum Insertion Loss 28 dB
Insertion Loss Slope 10 dB maximum
Ripple on Insertion Loss Slope ±1 dB maximum
Input P1dB +17 dBm minimum
Maximum Input Power +20 dBm
Spurious at -5dBm Input Power -60 dBc
Harmonics at -5dBm Input Power -60 dBc
VSWR 2.0:1 maximum
Warm Up Time 30 minutes maximum
Loss Stability After Warm Up ±0.5 dB
Transmitter Power Supply +6 V ±0.5 V
Transmitter Current 9.0 A maximum
Monitor & Control Interface RS-232
RF Connectors K-type Female
Optical Connectors FC/APC
Tx DC Power Connector 15-pin D-sub plug
Tx Monitor & Control Connector 9-pin D-sub plug
Operating Temperature +10ºC to +40°C (Contact L3Harris for other ranges)
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