5N62V

The 5N62V (NATO designation: Square Pair) is a C-band missile guidance radar, operating with an average power of 3 kW, designed for the S-200V (NATO designation: SA-5 Gammon) surface-to-air missile system. It functions as an illumination radar for semi-active target tracking, utilizing separate antennas for transmitting, receiving, and issuing missile commands. The radar employs two operational modes: an unmodulated continuous wave (CW) radar for Doppler frequency evaluation and a bi-phase coded modulated CW radar for range measurement. Due to the inherent limitations of CW radar, the 5N62V can only engage a single target at a time, with an instrumented range varying from 180 km to 300 km depending on the S-200 variant. Its beamwidth is either 0.7° or 1.4°, and it boasts a mean time between critical failures (MTBCF) of 5,000 hours. The transmit power is generated by a K-89 klystron, with a quartz-stabilized transmit frequency derived from a series of frequency multipliers.

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