• LMX2820: LMX2820 lock time

  

  David Park

  Part Number: LMX2820 Hi, Customer would like to reduce lock time with instant calibration. Now lock time without any action is 100us at frequency hopping. Reset -> instant cal, lock time is 60us with attached register set. Could you guide how…

  • 10 hours ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: About LMX2820 Instant Calibration

  

  TI-CSC

  TI Thinks Resolved

  Part Number: LMX2820 Hello E2E Experts, Instant calibration mode can be used to shorten the lock time. However, when I need to change the frequency in 1 MHz steps within the 10 GHz to 20 GHz range, can I use this mode? I am not sure if the initial…

  • 1 day ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2820: LMX2820 Configuration Software

  

  xujunfeng

  Resolved

  Part Number: LMX2820 Which configuration software is used for the LMX2820? Could you provide a download link? I need to check the feasibility of the LMX2820 related configuration.

  • Resolved

  • 3 months ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: The immediate fast lock of the LMX2820 is sometimes successful and sometimes fails

  

  Vayne Li

  TI Thinks Resolved

  Part Number: LMX2820 Hi Teams, The customer used the instant quick lock of LMX2820 and found that it sometimes locks and sometimes loses lock. Scanning from 9.1g-13g at intervals of 2M, using instant quick lock function, sometimes able to quickly…

  • 4 hours ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: LMX2820: When using Instant calibration , frequent loss of lock occurs at certain specific frequency points.

  

  peng zhang

  Part Number: LMX2820 While using the Instant calibration on the LMX2820 , I am experiencing a high probability of PLL unlock at certain specific frequency points (around 8.3 GHz). These frequencies include 8.3 GHz / 4, 8.3 GHz / 2, 8.3 GHz, and 8.3 GHz…

  • 6 days ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2820: Issue with ACAL_CMP_DLY configuration for LMX2820

  

  Mark

  Resolved

  Part Number: LMX2820 Other Parts Discussed in Thread: LMX2594 , Tool/software: Hi, I am currently working with the LMX2820 and have encountered an issue while configuring the R6 register. I am unsure about how to set the value for ACAL_CMP_DLY. The…

  • Resolved

  • 6 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2820: Disabling the State Machine Clock on LMX2820

  

  Mark

  Resolved

  Part Number: LMX2820 Other Parts Discussed in Thread: LMX2594 Tool/software: Hello, I have a question regarding the state machine clock of the LMX2820. During our previous work with the LMX2594, we observed a significant improvement in spurs at ±fosc…

  • Resolved

  • 6 months ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: Voltage Allowed on LMX2820 SRREQ Input pins

  

  Stephen Stout

  TI Thinks Resolved

  Part Number: LMX2820 Tool/software: To use the LMX2820 SRREQ as a differential input, what is the ideal Vcm and Vswing?

  • 6 months ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: LMX2820 needs to be reprogrammed after toggling chip enable?

  

  Ferdi Tjandra

  TI Thinks Resolved

  Part Number: LMX2820 Tool/software: Hi, Does the LMX2820 need to be reprogrammed after toggling the chip enable pin? I power it up with CE enabled. Program the registers to output 9.5GHz (no instant calibration). Now bring CE low to power down the…

  • 6 months ago
  • Clock & timing
  • Clock & timing forum

• LMX2820: LMX2820 RFin external feedback mode

  

  ?? ?

  Part Number: LMX2820 Tool/software: HELLO When using the LMX2820 RFin external feedback mode, if the same frequency is repeatedly sent, the hardware remains unchanged, the data sent by the software is consistent and the charge pump current is not altered…

  • 9 months ago
  • Clock & timing
  • Clock & timing forum

Didn't find what you are looking for? Post a new question.