Optical RF-over-Fiber VNA Head : OH4VNA | SPEAG
The OH4VNA is an advanced optical head for vector network analyzers (VNAs) that uses RF-over-fiber technology to enable precise S11 measurements of electrically small antennas. It covers a frequency range from 500 MHz to 6 GHz and eliminates interference caused by coaxial cables.
The OH4VNA is an advanced optical head for vector network analyzers (VNAs) that uses RF-over-fiber technology to enable precise S11 measurements of electrically small antennas. It covers a frequency range from 500 MHz to 6 GHz and eliminates interference caused by coaxial cables.
Advantages :
- Minimizes measurement uncertainty by eliminating cable effects
- Ensures high precision with fiber-optic signal transmission
- Compact and easy-to-integrate VNA front-end
- Improves repeatability and test efficiency
- Compatible with commercial VNAs
Main Features :
- Frequency range: 500 MHz – 6 GHz
- Two-port fiber-optic RF-over-fiber communication
- High dynamic range and stable measurement conditions
- Low signal distortion and reflection-free setup
- Lightweight and portable for lab and field use
Applications :
- S11 measurements of miniaturized antennas
- Wearable, in-ear, and implant antenna testing
- RF performance validation for medical and consumer devices
- Electromagnetic compliance testing support
Additional Information :
The OH4VNA is an ideal solution for accurate and reliable antenna characterization in applications where cable-based setups are limited. It supports innovation in wearable, implantable, and compact wireless device development.
