What phase noise does a fire-control radar need?

Fire-control and imaging radar typically require reference phase noise below -165 dBc/Hz at 1 kHz offset. Our KONA50 delivers -170 dBc/Hz; for lower offsets, KONS450 with ADEV 8E-14 is the master reference.

Can your oscillators survive vehicle vibration?

The KOR ruggedized family is specified at G-sensitivity ≤0.05 ppb/g and tested per MIL-STD-810-style profiles. Shock and vibration reports are available per lot.

Do you support defense screening and export documentation?

We provide lot traceability, burn-in and extended screening. Export classification paperwork accompanies every shipment under applicable EAR rules.

Radar, Electronic Warfare & Defense Timing | Low Phase Noise OCXO, Rubidium, Vibration-Resistant

On this page: Coherent Radar Challenge · Spec Requirements · Recommended Models · FAQ

Why Coherent Radar Lives or Dies by the Reference Oscillator

In pulsed Doppler and synthetic-aperture radar, the transmitter and receiver share one coherent reference. Every decibel of close-in phase noise on that reference translates directly into inability to see small moving targets next to large clutter. Electronic-warfare receivers and SIGINT payloads are even pickier — they must detect weak emitters next to strong blockers, which demands reference phase noise well below -150 dBc/Hz at 100 Hz to 10 kHz offsets.

Defense integrators have long specified Oscilloquartz, Frequency Electronics (FEI), Vectron and Rakon oscillators for these platforms. KCCS KON / KOS / KOR / KRA families are engineered to the same phase-noise and vibration envelope, and we support the screening and traceability that defense programs require.

What a Radar Platform Needs

Close-in phase noise ≤ -155 dBc/Hz @1 kHz (surveillance radar), ≤ -170 dBc/Hz (fire control / imaging radar).
G-sensitivity ≤ 0.05 ppb/g for vehicle, aircraft and naval mounts; much tighter for phased arrays on moving platforms.
Warm-up: long mission time means warm-up is acceptable, but pull-in time must be controlled.
Temperature: -55 °C to +85 °C (commercial) / +105 °C (ruggedized).
Output: usually 10 MHz sine for the master reference and frequency synthesizers.
Holdover: for mobile systems without GNSS, rubidium (KRA) or disciplined OCXO (KDO) provides the long holdover.

Recommended KCCS Radar & Defense Models

Model	Role	Phase Noise @1 kHz	G-Sensitivity	Package
KONA50 / KONB27	Imaging / fire-control radar synthesizer	-170 dBc/Hz	≤0.1 ppb/g	DIP 50.8 / 27×27
KONS450 / KONS350	Stationary master reference, lab	-160 dBc/Hz, ADEV 8E-14	—	DIP 45×45
KOR15 / KOR25 / KOR38	Vehicle / aircraft / naval mounts	-150 dBc/Hz	≤0.05 ppb/g	DIP 25.4 / 38
KDO65 / KDO27	GNSS-disciplined field reference	-155 dBc/Hz	rugged	DIP 65 / 27
KRA76 / KRA94 Rubidium	Mobile / field grandmaster, no GNSS	≤-160 dBc/Hz, aging 1.5E-12/day	ruggedized	DIP 76 / 94

Timing for Radar, EW & Defense

Why Coherent Radar Lives or Dies by the Reference Oscillator

What a Radar Platform Needs

Recommended KCCS Radar & Defense Models

Frequently Asked Questions

Related Timing Guides