Pharad, rf over fiber, antennas, photonics

RF Photonic Links

Pharad offers a comprehensive family of optimized performance RF photonic links for high dynamic range and low loss RF signal over optical fiber transport. The links are packaged as either a transceiver (PXR) module or separate RF photonic transmitter (PTX) and RF photonic receiver (PRX) modules. The links provide electrical-to-optical (E/O) and O/E conversion of wideband RF signals over operating bandwidths covering 3 MHz to 50 GHz. Fiber-optic remoting of a multitude of RF signals can be supported using a single transceiver with a multi-band operating frequency range.

The transport of RF signals over optical fiber offers a number of benefits over conventional RF coaxial cables and waveguide including reduced cabling size and weight; low loss over a wide RF bandwidth; and improved signal isolation. Pharad‘s range of RF photonic links employs proprietary techniques to achieve the best gain, noise figure (NF), and spurious-free dynamic range (SFDR) performance available. They are the ideal solution for supporting the high fidelity bi-directional transport of wideband RF signals over an optical fiber link or network. Applications include RF signal distribution over optical fiber in communications, radar, electronic warfare, and SIGINT/ISR systems, antenna remoting, aircraft and shipboard RF distribution systems, as well as commercial wireless networks and SATCOM platforms.

photonic transceiver, rf over fiber, rf photonic transceiver

Model Number


RF Gain t (Typ)

Noise Figure t (Max)

PTX-001-030 PRX-001-030

   0.03–3 GHz

21 dB

14 dB

106 dB-Hz 2/3

   0.5–3 GHz
0 dB
12 dB
105 dB-Hz 2/3
   10–20 GHz
0 dB
10 dB
114 dB-Hz 2/3
   2–20 GHz
10 dB
10 dB
105 dB-Hz 2/3
   0.4–15.5 GHz
4 dB
8 dB
108 dB-Hz 2/3
   0.003–19 GHz
15 dB
7 dB
104 dB-Hz 2/3
   26–40 GHz
5 dB
7 dB
108 dB-Hz 2/3
   3–40 GHz
10 dB
10 dB
104 dB-Hz 2/3
PTX-030-500 PRX-030-500

   3–50 GHz

6 dB

11 dB

100 dB-Hz 2/3

  t RF Link Gain, Noise Figure, and SFDR specified with optical loss over 1 meter of fiber.
  tt SFDR specified over single octave.

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