Answered

• LMH1983: Genlock PLL4

  

  Miguel Holguin

  Resolved

  Part Number: LMH1983 Tool/software: May PLL4 be genlocked? We know PLL1 does but we need the frequency from PLL4.

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1983: Check the electrical characteristics of the init pin

  

  user6377398

  Resolved

  Part Number: LMH1983 Tool/software: Could you please tell me the electrical characteristics of the init pin? VIL(max)?V@Iin=±?mA Vih(min)?V@ Iin= ±?mA

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: Genlock to RS-170 video

  

  Brandon

  TI Thinks Resolved

  Part Number: LMH1983 Tool/software: Can we configure a user mode to genlock to RS-170 (15.75 kHz/60 Hz) and output a 24.57 MHz reference clock on clkout1?

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1983: Design Review

  

  CHEN HSUN HSUEH

  Resolved

  Part Number: LMH1983 Tool/software: Hi, I would like to submmit LMH1983 design review. Please refer to the download link (pdf) below. drive.google.com/.../view

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: Issues with PLL1 GenLocking

  

  Miguel Holguin

  Part Number: LMH1983 Other Parts Discussed in Thread: LMH1981 Tool/software: We are inputting NTSC to the LMH1983, only H Sync(15.75k) and V Sync(59.97) to achieve GenLock; we are not using F Sync. However when we read register 0x02, we are getting 0xE0…

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: FIN, VIN, HIN use case

  

  Toshiro Imi

  TI Thinks Resolved

  Part Number: LMH1983 Tool/software: Hello, Our customer asked a question about how to set FIN, VIN, HIN if he do not use FOUT function. Does LMH1983 work correctly when he inputs H-sync signal to HIN only (FIN, VIN keeps to low). Best regards,

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: INIT Min pulse

  

  Shuji Ishiwata

  TI Thinks Resolved

  Part Number: LMH1983 Tool/software: Hi All, I have a question about the INIT terminal of the LMH1983. Is there a limit to the pulse width of the signal input to the INIT terminal? Please tell me the minimum pulse. Also, if you have a timing chart, please…

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1983: Aardvark not playing with LaunchPAD GUI

  

  Mike Lafave

  Resolved

  Part Number: LMH1983 Other Parts Discussed in Thread: ALP Tool/software: Hello, I am struggling trying to get this app to run with an Aardvark. I have the latest drivers installed and the v14 update for Launchpad. When I run the app it gives me these…

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1983: LMH1983 Xoin- divider resistance

  

  Hirotaka Matsumoto

  Resolved

  Part Number: LMH1983 Hi all Would you mind if we ask LMH1983? As the background of this question, usually we use divider resistance = 3k ohm as follows; However the customer would like to use 1.0kohm. However the customer would like to use 1.0kohm. If…

  • Resolved

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• LMH1983: How to synchronize PLL1 in a V/H (without F) system

  

  Hiroaki Doi

  TI Thinks Resolved

  Part Number: LMH1983 Tool/software: Hi Sir. I have a question. We use LMH1983 in a system where there is no F and only V and H are provided. We also want to GenLock PLL1 as soon as possible from H. Since there is no F, we plan to disable AutoFormatDetection…

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

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