Frequency Synthesizers
Ultra-low phase noise microwave frequency synthesizers for EW, radar, and SIGINT receiver systems. Agile, wideband designs to 26 GHz.
- Phase noise: −120 dBc/Hz @ 1 kHz
- Frequency: 0.1–26 GHz
Product Families
Precision Timing & Frequency Products
Five product families. One mission: deliver atomic-grade precision for the world's most demanding defense, space, and communications programs.
60+
Years of Engineering
2,500+
Products Fielded
3
US Divisions
100+
Active Programs
Atomic Frequency Standards
RF & Microwave
60+
Years of Engineering
2,500+
Products Fielded
3
US Divisions
100+
Active Programs
Browse by Category
Product Families
01
Atomic Frequency Standards
Rubidium atomic frequency standards for space, defense, and ground applications. Flight-proven on GPS III.
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02
Oscillators
Crystal oscillators — OCXO, VCXO — engineered for defense-grade stability across temperature extremes.
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03
Timing & Synchronization
GPS-disciplined timing systems, IEEE 1588 PTP, and NTP references for defense networks and telecom infrastructure.
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04
PNT Systems
Assured PNT solutions for GPS-denied environments. Long-holdover atomic clocks and GNSS receiver systems.
ExploreWhat We Make
Product Families
Where It's Used
Key Applications
- Satellite Payloads & Space Systems
- Defense Communications & C5ISR
- Electronic Warfare & Radar Systems
- Assured PNT & GPS-Denied Navigation
- Secure Government Networks
- Telecommunications Infrastructure
- Scientific & Test Instrumentation
Featured Products
Highlighted Across the Product Line
RF & Microwave
RF & Microwave Products
Receivers & Tuners
Wideband and channelized microwave receivers for ELINT, COMINT, and SIGINT collection platforms requiring high dynamic range and fast tuning.
- Instantaneous BW: up to 6 GHz
- Architecture: direct-conversion, superhet
PNT Systems
PNT Systems
Assured PNT Holdover System
72+ hour holdover timing for GPS-denied operations.
- 72+ hr holdover
- Multi-constellation GNSS
SAASM GPS Receiver
Anti-jam, crypto-keyed GPS receiver for military platforms.
- M-code capable
- Anti-jam antenna support
Technical Resource Center
Need a qualified frequency source for your program?
FEI engineers support custom configurations, qualification testing, and long-term program supply for DoD and prime contractors.