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PhaseShiftSML (Phase Shifter)

Symbol

Available in ADS

Parameters

Name

Description

Units

Default

Phase

Phase shift

deg

90

PhaseSlope

Phase slope per frequency octave

None

None

FreqStart

Frequency where slope begins

 

RTConj

Apply reverse transmission conjugate: yes or no

None

no

ZRef

Reference impedance for all ports

Ohm

50

Range of Usage

FreqStart ≥ 0

Notes/Equations
  1. The output frequency spectrum is equal to the input spectrum shifted by the specified phase.
  2. θ  (f) = Phase (for freq < FreqStart)
    θ  (f) = Phase + PhaseSlope × LOG2 (freq / FreqStart) (for freq ≥ FreqStart)
    if FreqStart = 0, then phase slope is 0 regardless of the PhaseSlope setting
    where freq = simulation frequency



  3. if RTConj = NO, S12 = S21
    if RTConj = YES, S12 = S21*
  4. The S-parameter implementation for the phase shifter is shown here:
  5. This component is intended for use with RF simulators, such as S-parameter, AC, HB, and in Circuit Envelope. It is not recommended for use in transient or baseband envelope simulations.
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