Saturday, March 12, 2011

432 MHz TX

Used the fundamental harmonic 24MHz quartz.Multiplied by the apperance of 432MHz . TX easily reapyted, uncritical.Coil L2 may not be connected, directly to the antenna coil L1 the signal strenght is. Best to use SMD coponents. Error,T1 emitter 36 pf not 1000pf

3 comments:

  1. This comment has been removed by the author.

    ReplyDelete
  2. Gera schemute derinimui. O ka, jei dar pridet viena zingsni 1296 Mhz pasiekt? 73 de LY1GP

    ReplyDelete
  3. Per stiprus signalas derinti RX ant 432 MHz , teks daryt silpnesni "beacon'a ". Sitos schemos pagrindu konverteri noriu padaryt 435 Mc td 15 Mc ,xtal 25 Mc Veliau TX ant 432Mc pastiprinsiu ir i 1296 Mc labai realu su stipriu signalu...turiu paruoses RX ant 1296, konverteri, bet privalau "stepas, po stepo " zygiuot.

    ReplyDelete