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High Bandwidth Fog Gyro Digital Close Loop Single Axis

High Bandwidth Fog Gyro Digital Close Loop Single Axis
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Measuring Range: -800°/s~+800°/s
Zero-bias Repeatability: <=0.1°/h
Zero-bias Stability: <=0.1°/h
Scale Factor: 45000× (1±5%)SP/°/s
Communication Mode: RS422
Operating Temperature: -45℃~+60℃
Storage Temperature: -55℃~+75℃
Scale Factor Nonlinearity: <50ppm
Scale Factor Repeatability: <50ppm
Supply Voltage: 5v
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high bandwidth fog gyro


single axis fog gyro


digital close loop fiber gyroscope

Basic Infomation
Place of Origin: CHINA
Brand Name: AVIC
Model Number: F70G
Payment & Shipping Terms
Packaging Details: Sponge+ box
Delivery Time: 30 DAYS
Payment Terms: T/T
Supply Ability: 200/MONTH
Product Description

High Bandwidth Digital Close-Loop Single-Axis Fiber Optic Gyro



The F70G is the interferometric digital close-loop single-axis fiber optic gyro. It is the perfect substitution for traditional mechanical gyro, featuring of high bandwidth, short activation time, shock resistance, vibration resistance and affordable cost.

The F70G FOG adopt the embedded digital signal processor. The integrated adaptive filter reduces the bias stability and angle random walk by 50%-70%,technology which not only reduces the impact of the temperature but also significantly improves the bias stability, angle random walk, scale factor linearity and robustness. The exceptional bias stability, angle random walk and resistance to shock make it ideal for various military and industrial applications.

F70G is a angular speed sensor integrated with light, mechanism and eletricity. it is based on Sagnac effect and close loop control test technology. it tests, processes and feedbacks by the phase difference produced by two oppsite transmission light, realising the whole close loop process.
the item is mainly composed by optical path units, circuit units and structural unit. it has simpler structure, no moving parts, no wearing parts, quicker start, smaller volume and ligher comparing with electromechanical gyro. It could be widely used in missile guidance and control, positioning and aiming system of tank and fighting vehicle, ship's photoelectrical tracking system



● All-fiber design -long lifespan, small package size, high stability and more resistance to interference.

● Integrated fiber polarizer -minimum insertion loss and high extinction ratio, offering more resistance to temperature and mechanical shock, as well as intense vibration.

● Reliable compact package -operationally robust for all kinds of environments, ideal for a wide of applications in both civilian and military areas.

● QuichLaunch technology -minium activation time with no external calibration required.

● Optimal wavelength -improves the sensibility by 50% with the same structure, size and cost.

● Noise isolation and compression -significantly reduces the angle random walk.

● SelfTrack technology -improves the gyro dynamic range




●Tactical nuclear weapons

●Aeronautics and astronautics

●Integrated navigation system

●inertial platform stabilizing

●Vehicle navigation



No. Parameter F70G Unit Remarks
1 Maximum angular rate ±800 °/s  
2 Scale factor



3 Scale factor nonlinearity in room temperature ≤50 ppm @25℃
4 Scale factor repeatability in room temperature ≤50 ppm @25℃

Scale factor repeatability in full temperature


≤100 ppm -40℃~+70℃
6 Bias stability in room temperature ≤0.1 10s(1σ,°/h) @25℃
7 Bias repeatability in room temperature ≤0.1 (1σ,°/h) Bias
8 Bias repeatability in tull temperature ≤0.2 (1σ,°/h) -40℃~+70℃
9 Activation time 0 min  
10 Random Walk 0.005 º/√h  

Bias value during vibration/before vibration/

after vibration

≤0.3 °/h  
12 Bias value before/after vibration) ≤0.3 °/h  
13 Magnetic sensitivity ≤0.2 °/h/Gs Optional
14 Bias stability during Vacuum changing ≤0.3 °/h 0~0.085~0Mpa@2min
15 Vibration



16 Impact 15g(3times) Half sine wave/11ms
±X ±Y ±Z


Power Supply

Power supply +5V -5V
The fluctuation of voltage 4.75V~5.25V -4.75V~-5.25V
Rated ripple voltage 20mV 20mV
Power consumption 1.5A 0.6A



High Bandwidth Fog Gyro Digital Close Loop Single Axis 0



Transportation notice

a) Place the product according to the direction shown in the packing box;

b) When the temperature range is -40℃~+70℃, it is allowed to be transported by road, railway, air and water transportation;

c) Ensure that the packing box is fastened to the carrier without moving during shipment.

Storage notice

a) The products placed in the packing box should be stored in an air conditioned warehouse under standard atmospheric pressure,environmental temperature is 15℃~35℃;

b) The storage period of the product is 15 years.



 Unpacking inspection

a) Check the appearance of the packing box for collision and other physical damage;

b) Static electricity protection should be carried out when taking out the product .

Inspection of supporting delivery documents

a) Product qualification certificate;

b) F70G Acceptance report of closed loop fiber optic gyroscope;

c) F70G Maintenance instructions for closed-loop fiber optic gyroscope( 1pcs per batch)





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