Answered

• LMX2581E: Time Taken to change frequency

  

  H Northey

  Resolved

  Part Number: LMX2581E Other Parts Discussed in Thread: LMX2581 , , CODELOADER , USB2ANY , LMX2592 , LMX2594 , LMX2572 , LMX2582 Hello, I have a question about the time it takes to change frequency on the LMX2581E. This is a similar concept to the lock time but…

  • Resolved

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2581E: Altium Designer Model for Circuit Designing

  

  LAXMI KANT TIWARI

  Resolved

  Part Number: LMX2581E Other Parts Discussed in Thread: TRF37C75 , TRF37C32 Hi, I am trying to find LMX2581E Altium library but there is no RF & Microwave library in Altium. How can I get this component in my Altium Designer? Thanks!

  • Resolved

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2581E: use of this IC to build 2.4GHz Doppler RADAR

  

  LAXMI KANT TIWARI

  Resolved

  Part Number: LMX2581E Other Parts Discussed in Thread: LMX2594 Hi, I am building a Doppler RADAR using LMX2581E as the VCO. I have a doubt and just wanted to take an expert advice. I am connecting RFoutA (positive) with a gain block and then connecting…

  • Resolved

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum

• Some frequency of LMX2581E didn't unlocked.

  

  user1994647

  Other Parts Discussed in Thread: LMX2581E , LMX2581 Hi, everybody I had used LMX2581E in my project. The reference fsoc is 20.000MHz/1ppm. And the pase frequency is 20MHz. I had divide the vco output from 50MHz~1000MHz,1KHz each step. When I changed the…

  • over 8 years ago
  • RF & microwave
  • RF & microwave forum

• multiple LMX2581E synchronizations

  

  Youngho Suh

  Other Parts Discussed in Thread: LMX2581E , CODELOADER , LMX2581 Hi, I purchased four units of LMX2581E EVB to feed clocks to four ADC cards. I am using Symmetricom 5087B Rubidium to generate multiple synchronized 10MHz external references to feed LMX2581E…

  • over 8 years ago
  • Clock & timing
  • Clock & timing forum

• LMX2581E: frequency range dependency

  

  Martin Seeger

  Other Parts Discussed in Thread: LMX2581E Hello, The LMX2581E has 4 VCOs core frequency to program in the PLL depending on the application. Unfortunately we do not see a curve of the dependence between the frequency range and the voltage controlled of the…

  • over 8 years ago
  • Clock & timing
  • Clock & timing forum

• RE: LMX2581: The Frequency Bounds on the VCO Cores

  

  Noel Fung

  Hi Charles, our guaranteed output frequency, as specified in the datasheet is up to 3760MHz. If you need 3800MHz, you should select LMX2581E.

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

• multiple LMX2581E Eval boards operation

  

  Youngho Suh

  Other Parts Discussed in Thread: LMX2581E Hi, I would like to use LMX2581E eval board around 8 units for generating different output frequencies for my system. I found in manual, I can set output frequency through computer interface. If I want to set frequencies…

  • over 9 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2581 vs LMX2581E vs LMX2541

  

  Takumi Suzuki1

  Resolved

  Other Parts Discussed in Thread: LMX2541 , LMX2581E , LMX2581 Hi, I would like to ask you a question about the difference between LMX2581 and LMX2581E and LMX2541. I think those devices are very similar and the difference is VCO range, PLL noise and divider…

  • Resolved

  • over 9 years ago
  • Clock & timing
  • Clock & timing forum

• RE: LMX2581: not achaive proper frequency and no digital lock

  

  k s

  Hi, thanks. Design is directly taken from datasheet, which contain layout example too and is similar within OSCin signal. Before circu t edition i get output frequency about 1972MHz, Vtune LOW, Vtune voltage 3,3V, and only high state on R/2. So i edited…

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

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