:JSAMemory:PLLoop:JTF:PEAKing?
Instrument:
DCA-X
DCA-M
Meas. mode:
Scope
Eye
Jitter
Flex Apps:
FlexDCA
Query Syntax
:JSAMemory:PLLoop:JTF:PEAKing?
Query Response
Returns <peaking> which is a double.
Description
From the JSA memory database, returns the clock recovery emulation's peaking of a second-order PLL's Jitter Transfer Function (JTF). The following table shows the peaking settings for some standards.
JTF for 2nd Order PLLs
| Standard | Peaking |
|---|---|
| SAS 1.5 Gb/s | 0 dB |
| SAS-SSC 1.5 Gb/s | 1.57 dB |
| SATA 1.5 Gb/s | 1.86 dB |
| SAS 3.0 Gb/s | 0 dB |
| SAS-SSC 3.0 Gb/s | 1.57 dB |
| SATA 3.0 Gb/s | 1.57 dB |
| SAS 6.0 Gb/s | 0 dB |
| SAS-SSC 6.0 Gb/s | 1.57 dB |
| SATA 6.0 Gb/s | 1.86 dB |
| QPI | 1.75 dB |
| USB 3.0 | 2.08 dB |
JSA requires an 86108A/B module with Option JSA. To use JSA in Jitter Mode, 86100D Option 200 Enhanced Jitter Analysis or N1010A Option 200 Enhanced Jitter Analysis is required.
Requires FlexDCA revision A.02.50 and above.