s_parameter - Review on S-Parameters 23-1-2007 Network...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Review on S-Parameters 23-1-2007
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
V 1 I 1 V 2 I 2 + - + - 11 1 1 1 2 2 22 1 1 2 2 2 VZ IZ I I Z I = + =+ 1 1 1 2 2 1 1 2 2 2 I YV YV I = + 1 1 1 2 2 1 1 2 2 2 VH IH V I HI HV = + Z-Parameter Y-Parameter H-Parameter A two-port device can be described by a number of parameter sets. All of these network parameters relate voltages and currents at each of the two ports. These are the network variables. Network Characterization
Background image of page 2
Incident Wave Reflection Wave Transmitted Wave Medium 1 Medium 2 12 ZZ Γ= + 2 2 Z T = + Current Continuous Power Lossless Characteristic Impedance (Z 1 ) Characteristic Impedance (Z 2 ) V θ Concept of Traveling Wave
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
V 1 + V 1 - V 2 + V 2 - 2 1 11 1 0 V V S V + + = = 2 2 21 1 0 V V S V + + = = 1 1 12 2 0 V V S V + + = = 1 2 22 2 0 V V S V + + = = *Characteristic Impedance (Z 0 ) is defined 11 1 1 1 2 2 22 1 1 2 2 2 VS V S V V S V ++ =+ Formulation of S-Parameter
Background image of page 4
j ij i V S V + = () 2 10 j ij i V Sd B L o g V + ⎛⎞ = ⎜⎟ ⎝⎠ 10 __ _ _ _ _ ij power output at port j B L o g power input at port i = * dB=power ratio but not voltage/current ratio Magnitude and dB representation
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 12

s_parameter - Review on S-Parameters 23-1-2007 Network...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online