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Recent content by Avala Lokesh

  1. A

    Regarding data speed in a tranceiver

    Thanks for the reply. By increase the strength you mean size or voltage or what specifically?
  2. A

    Regarding data speed in a tranceiver

    Hi all, I was designing a 20G tranceiver in CMOS. The data rate is not high as I expected. The input buffer and output driver looks to work for more than 10G data but when I add a bunch of inverters the speed reduces to around 4 G. the maximum data rate which can be attained seems to be limited...
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    Testing a differential antenna using network analyser

    Hi, I designed an on chip antenna in CMOS for 20G. Now I just want to test it. As it is on chip I wanted to use gsg probes for testing with network analyser. Can anyone help me by telling what kind of probe(gsg or gssg or etc ) can be used to measure a dipole antenna with differential input to...
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    Charge pump high output resistance

    Thanks for the reply. And could you explain a bit more how I can do that.....I tried diffenrent chargepumps but same results....is there any additional componenets to be added after chargepump? Lokesh
  5. A

    Charge pump high output resistance

    Hi all, I designed a charge pump(dickson) with input 750mV and output 2V. It has a very high output impedance. Whenevr I connect any other circuit like a VCO the charge pump voltage doesnt even reach 500mV . Any solutions on how chargepump is used in systems? Thanks in advance. Lokesh
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    LVS not running in IBM180 when used resistor in schematic and layout

    I used opppcres which is available in PDK library. I don't know y its not recognising. previously it used to work. After updating cadence this error started. And also some of us are getting this error. For some other people no issues. - - - Updated - - - Actually whatever resistor I use from...
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    LVS not running in IBM180 when used resistor in schematic and layout

    Hi guys, I am trying to do LVS for a basic opamp circuit. The LVS is running when I don't use resistor but the moment I add ressitor LVS is not running and says failed! and in log file it says *ERROR* Device 'opppcres(RES)' on Schematic is unbound to any Layout device. *ERROR* Device...
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