Dual-Frequency Decoupling Networks for Compact Antenna Arrays

Table 2

Decoupling and matching network elements and component values of the circuit in Figure 2.

	Array scattering parameters	Decoupling network elements	Matching network elements
Frequency = 𝑓1	𝑆^𝑎11=−9.27dB∠137.6^∘	𝑋11=−29.7052Ω	𝐵31=−0.0132Ω^−1
	𝑆^𝑎12=−4.95dB∠−22.3^∘	𝐵21=−0.0279Ω^−1	𝑋41=−47.3233Ω
Frequency = 𝑓2	𝑆^𝑎11=−7.50dB∠89.5^∘	𝑋12=−9.9391Ω	𝐵32=0.0101Ω^−1
	𝑆^𝑎12=−5.53dB∠−45.2^∘	𝐵22=0.0219Ω^−1	𝑋42=54.5235Ω
		𝐿1=7.2337 nH	𝐿3=0.4352 nH
Implementation		𝐶1=0.4778 pF	𝐶3=9.2297 pF
		𝐿2=0.2038 nH	𝐿4=40.638 nH
		𝐶2=19.731 pF	𝐶4=0.1005 pF