1990
DOI: 10.1109/13.53636
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A modern course in microwave engineering

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Cited by 190 publications
(262 citation statements)
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“…The width of the host line (W host ) is not considered to be an optimization variable, since the value provided by well-known microstrip formulas [21] (giving the line width as a function of the characteristic impedance Z o and substrate parameters) are very accurate. The remaining parameter to be determined is the length of the host line, l. This is determined through another independent ASM iterative process, where the variable of the coarse model is the electrical length of the loaded line, i.e., l, rather than kl (the electrical length of the unloaded line).…”
Section: Second Asm: Determination Of the Layoutmentioning
confidence: 99%
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“…The width of the host line (W host ) is not considered to be an optimization variable, since the value provided by well-known microstrip formulas [21] (giving the line width as a function of the characteristic impedance Z o and substrate parameters) are very accurate. The remaining parameter to be determined is the length of the host line, l. This is determined through another independent ASM iterative process, where the variable of the coarse model is the electrical length of the loaded line, i.e., l, rather than kl (the electrical length of the unloaded line).…”
Section: Second Asm: Determination Of the Layoutmentioning
confidence: 99%
“…Then the capacitance of this patch is inferred from the electromagnetic simulation by considering the ports indicated in Fig. 2(a), specifically by inferring the admittance of the shunt load [21], and it is compared to the target value. The matrix B, actually composed of a single element, is initiated by varying the patch dimension l p and recording the effects of this variation on the capacitance of the patch.…”
Section: Second Asm: Determination Of the Layoutmentioning
confidence: 99%
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“…The copper tape worm sections are modeled as a dissipative transmission line with a frequency dependent resistance per unit length, R(ω). According to the standard transmission line model 16 , the local voltage between the two conductors, V (x), and the longitudinal current, I(x), are related by V (x) = V 0 e ±γ(ω)x and V (x) = ±Z 0 (ω)I(x). The propagation coefficient γ and line impedance Z 0 are given by γ(ω) = iωC(iωL + R) and (1)…”
Section: B Model For a Coaxial Geometrymentioning
confidence: 99%
“…Since a lossless mismatched circuit can be treated as an impedance transformer, which changes the noise source's 50-output impedance to the intended generator impedance, its bandwidth, as bounded by the Bode-Fano criteria [14], should be infinite. Conceptually, this can be understood by imagining a very long lossless tapered line that transforms a 50-impedance to some other real impedance over a very large bandwidth.…”
Section: Mismatched Circuit Implementationmentioning
confidence: 99%