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IsolatorSML (SMLIsolator)

Symbol

Available in ADS

Parameters

Name

Description

Units

Default

F1

First frequency breakpoint

 

 

F2

Second frequency breakpoint

 

 

F3

Third frequency breakpoint

 

 

Loss1

Attenuation for frequencies ≤ F1

dB

0

Loss2

Attenuation for F1< frequency ≤ F2

dB

0

Loss3

Attenuation for F2 > frequency ≤ F3

dB

0

Loss4

Attenuation for frequencies > F3

dB

0

VSWR1

Voltage standing wave ratio at both ports for frequencies ≤ F1

None

1

VSWR2

Voltage standing wave ratio at both ports for frequencies > F1, ≤ F2

None

1

VSWR3

Voltage standing wave ratio at both ports for frequencies > F2, ≤ F3

None

1

VSWR4

Voltage standing wave ratio at both ports for frequencies > F3

None

1

Isolat

Isolation

dB

100

Z1

Reference impedance for port 1

 

 

Z2

Reference impedance for port 2

 

 

Temp

Temperature

°C

None

CheckPassivity

Check passivity flag: if set to yes, a passivity check is performed and a warning is output if the device is not passive; if set to no, a passivity check is not performed.

None

yes

Notes/Equations
  1. All ports are assumed to have the same VSWR.
  2. Isolation is assumed to be constant across all frequency bands.
  3. Up to three frequency breakpoints can be used to define four bands, with different losses and VSWR for each frequency band. If frequencies are not specified, this model is frequency independent and uses Loss1 and VSWR1 only.
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