• LMH1983: Genlock function

  

  Kailyn Chen

  TI Thinks Resolved

  Part Number: LMH1983 Other Parts Discussed in Thread: LMH1981 Hello， LMH1983 support genlock function, which standard does it support, tri -level sync or bi -level sync ? Best regards Kailyn

  • 17 days ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: Several questions for LMH1983

  

  Hirotaka Matsumoto

  TI Thinks Resolved

  Part Number: LMH1983 Hi all Would you mind if we ask LMH1983? ■Question1■ During one or two years, did LMH1983 have any design change? If you have design change like as - process change, test programming change or assembly line, could you share us these…

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

• LMH1983: Unlock issue depending on the loop filter capacitance

  

  Yoshikazu Kawasaki

  Part Number: LMH1983 Hello, My customer seems to have the same issue as reported before by this. https://e2e.ti.com/support/clock-and-timing/f/clock-timing-forum/945591/lmh1983-pll1-loop-filter-capacitor-variance My customer has been using the same PCB…

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

• LMH1983: question of PLL1

  

  Yasushi Fujiwara

  Resolved

  Part Number: LMH1983 Hello Experts, If the external VCXO does not work (i.e. it is broken.), how does LMH1983 work? It will work on holdover or free-run mode? Also LMH1983 will indicate LOR? Best Regards, Fujiwara

  • Resolved

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

• LMH1983: LMH1983: How to implement these CLKout conditions?

  

  Shunnosuke Maki

  TI Thinks Resolved

  Part Number: LMH1983 Other Parts Discussed in Thread: LMK03328 , TICSPRO-SW Hi Teams, Our customers require… Input: 27MHz, H/V/FID Output 1: 148.35MHz or 148.5MHz(for Camera head transmission) Output 2: 148.35MHz or 148.5MHz or 54MHz or 297…

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

• LMH1983: About PLL1

  

  Yasushi Fujiwara

  Resolved

  Part Number: LMH1983 Hello Experts, My customer has question as follows. Customer would like to use a following VCXO. - VCXO(27MHz): EPSON/VG2520CAN_CJGNBB_27MHz https://www5.epsondevice.com/en/products/vcxo/vg2520can.html [question] 1. This VCXO can fit…

  • Resolved

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

• LMH1983: PLL setting

  

  Yasushi Fujiwara

  Resolved

  Part Number: LMH1983 Hello Experts, My customer would like to know the PLL settings. 1. Customer would like to output CLKout2=74.25MHz. I think he should set a following register. Is it correct? Ant other register should set? - Register: 0x2E, bit 4(PLL_DIV…

  • Resolved

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

• LMH1983: question about I2C

  

  Yasushi Fujiwara

  Resolved

  Part Number: LMH1983 Hello Experts, My customer has question as follows. Would you please answer them? 1. Does this device compliant with I2C fast mode (400KHz)? 2. I2C register will be reset by INIT-pin activating? 3. If #2 question is no, would you please…

  • Resolved

  • 4 months ago
  • Clock & timing
  • Clock & timing forum

• RE: LMH1983: LMH1983 behaves when it is set into (1) 00, Always drift lock, (2) 01, Drift Lock if (3) 1x, Always Crash Lock

  

  user4779049

  Vibhu-san, Thank you for your interim status update. It is okay for me to wait on of this month. I am looking forward your results. Mita

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

• LMH1983: CLKout of LMH1983 can be broken up ? when other CLKouts are changed.

  

  Shunnosuke Maki

  Resolved

  Part Number: LMH1983 Hi Team, My name is Maki and work for Osaka office in Japan as a FAA. I have an inquiry regarding CLKouts of LMH1983. According to DS of LMH1983, the CLK generator has four PLLs for Simultaneous A/V Clock Generation. and my customer…

  • Resolved

  • 7 months ago
  • Clock & timing
  • Clock & timing forum

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