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Recent content by Aalda

  1. A

    Local oscillator for 22 GHz mixer

    I'll try Hittite's chips in configuration for direct mixer and for subharmonic mixer and I choose better solution
  2. A

    Local oscillator for 22 GHz mixer

    standart wifi 802.11n 20 or 40 MHz channel bandwidth 56 or 114 subcarriers 0,3125 MHz spacing 64 QAM do you have any reference or link?
  3. A

    Local oscillator for 22 GHz mixer

    Hi, what solution use for LO at 22 GHz for upconverting OFDM signal (2,4 GHz 802.11n)? Is it possible to use Hittite chips (VCO + PLL) or DRO + PLL or something else? Thank's
  4. A

    [SOLVED] Cofdm Power Amplifier 1W

    But BLF871 is 100 W transistor and it has 24 W with DVB-T modulation so I think that is overdesigned , 1 W is enough for me. And what was power consumption ?
  5. A

    [SOLVED] Cofdm Power Amplifier 1W

    Frequency is from 480 MHz to 860 MHz with BW 8MHz. It is amplifier for DVB-T signal.
  6. A

    [SOLVED] Cofdm Power Amplifier 1W

    Hi, I'm designing COFDM power amplifier with output power 1W and with MER 35 dB, which PA transistor should I use? Is it usable LDMOS MW6S004NT1 or should I use MW6S010N or anything else? Thank you
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    [SOLVED] Pulsed power amplifier - help with biasing TIM8596-15 needed

    Pulsed power amplifier Hello, can anybody help me? I design pulsed power amplifier and I need help with biasing TIM8596-15. How can I do temperature compensated active gate bias and how can I set right drain current? Pulse width is 300ns-30us, D.C. max 20% and PRF 3-50kHz Thank you
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