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  1. vanadium

    Implementation of Diffie-Hellman

    Dear Expertists, In Diffie-Hellman, the equation g^k mod p has to be calculated. p is a large prime number. g and k are integers less than p. Is there any fast and efficient algorithm to calculate the equation in a computer? The intermediate result g^k would be an extremely large number! Your...
  2. vanadium

    Combination of DC-balancing and FEC

    Hello Experts, Since most of the wireless digital communication systems cannot transmit DC signal, DC-balancing techniques are usually adopted by adding redundant bits to balance the numbers of 0's and 1's. Moreover, forward error correction (FEC) schemes are essential in wireless...
  3. vanadium

    My 433MHz oscillator did not work!

    I am designing a 433MHz oscillator using a SAW resonator and a Philips wideband transistor BFT25A connected as a Colpitts circuit. The circuit is described by the PSPICE file as attached below. According to the PSPICE simulation results, the oscillating frequency was totally controlled by the LC...

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