• RE: LMH1980: Typical power consumption with input signal

  

  user4497266

  Hi Noel. Thank you for really trying to help out. I can't say that this issue was solved but you can close it. I will measure the consumption myself later on. Regards

  • 2 months ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: if LMH1983 will be affected by fan airflow or any other signals

  

  zhang ping

  TI Thinks Resolved

  Part Number: LMH1980 Other Parts Discussed in Thread: LMH1983 Tool/software: We encountered a rather strange problem using LMH1983 here, please help analyze it. We use LMH1983 to output clock to FPGA's 12G-SDI signal on the board. When installed in the…

  • 2 months ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: LMH1980

  

  Joshua Ron

  TI Thinks Resolved

  Part Number: LMH1980 Hello, The LMH1980 has a recommended low-pass filter (on page #12 in the datasheet) for the video input, but it appears that its cutoff frequency (2.79MHz) harms the video signal itself (PAL/NTSC in my case). Is this correct ? If…

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

• LMH1980: Automotive Sync separator

  

  Shinji Tsuji

  Resolved

  Part Number: LMH1980 Hi team, I am looking for a device to detect Odd and Even field such as LMH1980 sync separator. Is there automotive version available? If not, is there any way to achieve this function with automotive Q grade devices? regards,

  • Resolved

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

• LMH1980: POWER　tolerance

  

  user4969681

  Resolved

  Part Number: LMH1980 Does LMH1980 have tolerance? Does it have a bad effect on stability or reliability to apply voltage output pin without VCC power supply?

  • Resolved

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

• LMH1980: Problems with VSOUT

  

  Daniel Fuchs3

  Resolved

  Part Number: LMH1980 There is the following statement in the datasheet: In the absence of a video input signal, the LMH1980 outputs are logic high except for the odd/even field, which is undefined and depends on its previous state, and the composite sync…

  • Resolved

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: Review replacement parts

  

  Charles Jeon

  TI Thinks Resolved

  Part Number: LMH1980 Hi team My customers want to apply the LM1881 as an ISL59885 replacement. What should be important when reviewing? Is there any problem to replace it immediately? Thank you

  • over 5 years ago
  • Interface
  • Interface forum

• LMH1980: HS OUT abnormal

  

  K.Shidara

  TI Thinks Resolved

  Part Number: LMH1980 Hi Team I'll send thru private message below since including the confidential informatiuon. Please support below message? Thanks Best regards, Shidara

  • over 5 years ago
  • Interface
  • Interface forum

• LMH1980: What is the input impedance of the LMH1980 ?

  

  Nir Flysher

  TI Thinks Resolved

  Part Number: LMH1980 Dear Team, Can you please advise what is the input impedance of the LMH1980 ? Regards, Nir.

  • over 6 years ago
  • Interface
  • Interface forum

• LMH1980: HD Signal Does Not Detect Input Change

  

  Mark Ackerson

  TI Thinks Resolved

  Part Number: LMH1980 Customer is having trouble with the LMH1980 HD BAR signal. Sometimes it will not switch with an input change. They currently use this pin state along with switching the capacitor in and out of the front end as detailed in the datasheet…

  • over 6 years ago
  • Interface
  • Interface forum

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