Electronics Engineering Tools
110+ engineering calculators spanning RF, power, optics, IC test, and more.
Fiber Dispersion Calculator
/en/fiber-dispersion-calc
Δt = |D| × Δλ × L
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Numerical Aperture Calculator
/en/numerical-aperture-calc
NA = √(n_core² - n_cladding²)
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Optical Power Budget Calculator
/en/optical-power-budget
P_rx = P_tx + G_tx + G_rx - L_path - L_misc
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Snell's Law Calculator
/en/snells-law-calc
n₁ sinθ₁ = n₂ sinθ₂
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Wavelength-Frequency-Energy Converter
/en/wavelength-freq-energy
f(Hz) = c / λ = 3×10⁸ / λ(m)
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fiber-dispersion-calc
光纤色散计算
光纤色散分析
Formulas
色散参数、光谱宽度与链路长度决定展宽
Example: D=17 ps/nm·km, Δλ=0.1 nm, L=40 km → Δt=68 ps
使用带宽-距离积平衡色散
Example: B=10 Gbps, T≈1/B, Δλ=0.1nm → L≈34 km
Calculation Steps
- 1
1. 输入色散因子D、光源谱宽Δλ与链路长度
- 2
2. 乘积得到脉冲展宽Δt
- 3
3. 用带宽关系求色散限制的最长距离
- 4
4. 比较系统裕度决定是否需要色散补偿
Use the calculator above to validate numeric results.