\[\text{R}_{1}=\frac{\omega^{2} \text{R}_{2} \text{R}_{3} \text{R}_{4} \text{C}_{4}^{2}}{1+\omega^{2} \text{C}_{4}^{2} \text{R}_{4}^{2}}=\frac{\text{R}_{2} \text{R}_{3}}{\text{R}_{4}}\left(\frac{1}{1+\text{Q}^{2}}\right)\]
\[L_{1}=\frac{R_{2} R_{3} C_{4}}{1+\omega^{2} C_{4}^{2} R_{4}^{2}}=\frac{R_{2} R_{3} C_{4}}{1+\left(\frac{1}{Q}\right)^{2}}\]