High Speed Amplifiers

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High Speed Amplifiers

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Related Posts

  • Forum Post: Re: Amplifier w/ G 20-100 and >450MHz BW for TOF MPPC read out

    Neil Albaugh
    Stian; I doubt than a transimpedance amplifier built with most IC op amps will be sucessful due to the capacitance of your MPPC. Even the GHz- range ONET transimpedance amplifiers probably can't handle even the 35pF of the smallest MPPC. If you can try a circuit that I've simulated here...
    on May 13, 2011

  • Forum Post: LMH6554LE-EVAL higher speed differential amplifier

    Feihu Xu
    We bought a Differential Amplifier evaluation board as "LMH6554LE-EVAL higher speed differential amplifier evaluation board". The number on board is "551600216 - 002 LMH6554 Diff Amp LLP 14 EVAL board". After we tested the board, it has two problems: 1. The Gain. On the data sheet...
    on Dec 17, 2011

  • Forum Post: Re: HIGH SPEED AMP

    eli
    Hooman, As a replacement to MAXIM,Need 1mA Vcc curent at +-5v amp with the same gain/BW of the MAX part B.regards Eli
    on Mar 19, 2012

  • Forum Post: LMH6624

    Andres Torre
    Hello, I would like to know If I can use LMH6624 to convert a signal 0-10V to 0-5V. I would supply it with +12V-0V. I have a sensor whose output is 0V to 10 V and I need to convert it to 0V to 5V because that is the input of the ADconverter. I think I should make this circuit: Uploaded with...
    on Mar 22, 2012

  • Forum Post: Re: LMH6624

    Andres Torre
    Hello, Thank you very much for the information, I have found it very useful. About the gain, I was a mistake writing the post, you are right about the resistors. This is my new circuit, I have followed your advices. My circuit would measure from 0-10V sensors and -5v-+5V sensors, depend on switch...
    on Mar 23, 2012

  • Forum Post: Re: LMH6624

    Andres Torre
    Hi Hooman, thank you very much for your help, If I connect +5V directly to switch left hand, output voltage increases 7.5V, so if input is -5V, OPA209 output is 2.5V instead of 0V, and if input is +5V, the output is 7.5V instead of 5V. I think I should connect the switch left hand to 2.5V. You...
    on Mar 26, 2012

  • Forum Post: Re: LMH6624

    Andres Torre
    Hi Hooman, Thank you very much for yours explanations, they are really useful for me. I think I will probably use the Zener scheme because I think it has the most stable output and it is more independent of +5V input (Because I am not sure +5V are really stable) but I think this scheme is the most...
    on Mar 27, 2012

  • Forum Post: Help with LMH6703

    Adam Kopp
    Hi, I'm working with an LMH6703 op-amp (SOIC-8 configuration) and am having some issues. I'm new to high speed/current feedback amplifiers, so any suggestions anyone can give me would be much appreciated. I have a 10 MHz signal (coming from a crystal, at about 3V amplitude). This signal is...
    on Jun 1, 2012

  • Forum Post: OPA657 Interconnection

    Martin Fulco
    I am doing an two stage photodiode amplifier, the first one is an transimpedance amplifier and the second is an non inverting voltage amplifier. The total bandwith required is 100 MHz and total gain is 1e6 (one millon). These stage work correctly separately, but when I connect the circuits in cascade...
    on Oct 26, 2012

  • Forum Post: RE: LMH6629: Ultra low- noise and variable gain amplifier.

    Efrain Ovalle
    Thanks for your answer Loren ... You're absolutely right, it is certainly absurd to design a system capable of detecting signals for pV when only thermal noise at room temperature is in nV. Cryogenic equipment would be fantastic but I do not have that. Aspiro design an amplification system as sensitive...
    on Jan 25, 2013

  • Forum Post: OPA820 output voltage maximum value

    william wu
    The high speed op am OPA820 was used as an error amplifier for an LDO circuitry, An power MOSFET whis is drived by OPA820 is the pass element device. OPA820 is suppled by only one +5v single supply. the LDO input is 3v3, and the output is setted as 3v0. As the mosfet gate threshold voltage is 1v (max...
    on May 2, 2013

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