:FUNCtion:CRECovery:SOPLl:OJTF:DFACtor

:FUNCtion CRECovery Commands

Command Syntax

:FUNCtionN:CRECovery:SOPLl:OJTF:DFACtor <damping_factor>

Where N identifies one of sixty four {1:64} math functions that you can create. For example, :FUNCtion2.

<damping_factor> is a double.

Query Syntax

:FUNCtionN:CRECovery:SOPLl:OJTF:DFACtor?

Description

When specifying the PLL's loop bandwidth in terms of the OJTF 3 dB BW, you also need to specify the damping factor of the JTF.

< 1 underdamped
> 1 overdamped
= 1.0 critically damped
= 0.707 Often considered ideal or optimal because of its fast settling time (optimally flat) and Butterworth type response.

Example Command Sequence

:FUNCtion1:CRECovery:MODE SOPLl
:FUNCtion1:CRECovery:PLL:MODE OJTF
:FUNCtion1:CRECovery:SOPLl:OJTF:LBDivisor 1.670E+3
:FUNCtion1:CRECovery:SOPLl:OJTF:DFACtor 0.707