:JSAMemory:PLLoop:FZERo?

Instrument:

N1000A

N109x

UXR Scope

Flex Apps:

FlexDCA

FlexRT

Meas. mode:

Scope

Eye

Jitter

Waveform type:

NRZ

PAM4

Package License:

L-RND

L-SNT

Query Syntax

:JSAMemory:PLLoop:FZERo?

Query Response

Returns <frequency> which is a double.

Description

From the JSA memory database, returns the clock recovery emulation's frequency at which the Observed Jitter Transfer Function (OJTF) starts to roll-off at 40 dB/decade for a third-order PLL loop. To return the frequency at which the Jitter Transfer Function (JTF) starts to roll-off at 40 dB/decade, use the :JSAMemory:PLLoop:FPOLe? query. To determine which type of transfer function (JTF or OJTF) is defined in the JSA memory database, use the :JSAMemory:PLLoop:MODE? query. To determine which type of transfer function (JTF or OJTF) is defined in the JSA memory database, use the :JSAMemory:PLLoop:MODE? query.

JTF and OJFT for 3^rd Order Type 2 PLLs
with Zero, Pole, and Gain Frequencies

JSA requires an 86108A/B module with Option JSA. To use JSA in Jitter Mode, L-RND package license (includes feature F-JIT Enhanced Jitter Analysis) is required.

Requires FlexDCA revision A.02.50 and above.