MFOG-091A micro-nano fiber optic gyroscope is designed for mission-critical environments requiring long-term stability and reliability.
It features no moving parts, high shock tolerance (20g), and excellent temperature performance (-40°C to +70°C).
With a lightweight cylindrical structure (φ24×51.6mm, ≤30g) and bias stability ≤2°/h, it serves as a one-to-one replacement for Fizoptika VG091 in navigation and stabilization systems.
Composition
The product is mainly composed of the following components:
A) an optical path assembly;
B) Detection and control signal circuit board;
C) Optical fiber ring skeleton, shell and other structural parts;
4.3 Appearance and dimension
The product is cylindrical, with overall dimensions of φ24mm × 51.6mm
4.4 Weight
≤30g.
4.5 Operating temperature
-40℃~+70℃.
4.6 Storage temperature
-55℃~+85℃.
4.7 Random vibration
Random vibration level: 20g, frequency range: 20Hz ~ 2000Hz.
4.8 Main performance parameters
Table 1 Main Performance Parameters
| Serial number | Project | Performance indicators |
| 1 | Range (°/s) | ±300 |
| 2 | Scale factor | 7±0.7mv/o/s |
| 3 | Scale factor nonlinearity (ppm) | ≤1000 |
| 4 | Zero-bias stability (10s, 1σ, °/H) | ≤2 |
| 5 | Zero-bias repeatability (1σ, °/H) | ≤2 |
| 6 | Angular random walk (°/H 1/2 ) | ≤0.04 |
| 7 | Zero bias (°/s) | ≤0.05 |
| 8 | Bandwidth 3dB Band Width (Hz) | ≥450 |
| 9 | Power supply (V) | 5+0.15 |
| 10 | Power Consumption (W) | ≤0.7 |
| 11 | Dimension (mm) | φ24X51.6 |
4.9 Mechanical and electrical interfaces
4.9.1 Mechanical interface
The cylindrical surface of the product is the installation surface, and the clamp is used for installation.
4.9.2 Power Requirements
The external power supply to the product has one circuit, and the requirements are shown in Table 2:
Table 2 External Power Supply Requirements
| | +5V |
| Voltage | 4.85V~5.15V |
| Ripple | 20mV |
| Electric current | 0.2A |
4.9.3 Electrical interface
The MFOG-091A micro-nano fiber optic gyroscope is electrically connected to the outside through the bonding pad.
It is defined as follows:
Table 3 MFOG-091A Node Definition
| Number | Definition | Remark |
| 1 | 5V | |
| 2 | Out- | Differential Output |
| 3 | Out+ |
| 4 | GND | Power ground |
Output impedance 1 kΩ, differential analog voltage output.
Figure 2 Node Definition
Product Tags:
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Navigation Fiber Optic Gyro High Performance Angular Rate Sensor Images
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