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    Rdvv 2010V1 - 15watt RD15 - FM PLL Modlatrler - ViProje. CoM - NET
    FM PLL Modlatrler Rdvv 2010V1 - 15watt RD15

    Bu versiyon profesyonellie ilk adm olarak deerlendirile bilir. 8 varikapl ve semerecik kullanlarak yaplan vco sese ok duyarl. Bylece iyi bir modlasyon salyor. Tabi ki semerecik kullanm vconun darda oluan grltleri kapmasn engelliyor. ki adet j310 kullanm vconun geri dnlerden daha az etkilenmesini salyor. Loop filtre ile ok geni olan bant yasal snrlara indirgenmi. Low-pass daha iyi temizlik salyor. Ksaca bu seri rdvv iin profesyonellie ilk adm dr. Yapmnda en ok dikkat edilmesi gerekilen, Semerecik boyu ve varikalplarn orijinal kullanlmas. Aksi halde vco almaya biliyor. Bana gre de tsa5511 bu vco iin yava kalyor. Yani biraz amatr kalyor. Piyasada sat gren birok modlatre gre ok ileri bir tasarm. Dier rdvv yazlmlar bu versiyonda kullanla bilir.

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    rdvv2010v1.RAR

    http://www.viproje.net/rdvv-2010-v1-4-categories.htm

    Gnderen: Hseyin GNER Tarih: 30/04/2012 Rdvv 2010V1 - 15watt RD15 Yazdr

    Yorumu Gnderen : ASesInsams Tarihi : 05/09/2017 08:42 pm

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    Yorumu Gnderen : Philani Tarihi : 25/05/2013 05:16 am

    Here's are some code snippets shonwig how I do it on a PIC18F with C. I've just collected the main parts from a bunch of different functions for brevity, so don't expect to be able to compile it on its own.unsigned char adrf_init[32] = { 0x00, 0x00, 0x00, 0x00, // cr0-cr3: FRAC 0x01, // cr4: reserved 0x00, // cr5: 5-bit, R divider enable 0x78, 0x00, // cr6 - cr7: N 0x00, // cr8: reserved 0x70, // cr9: charge pump current 0x01, // cr10: reference frequency control 0x00, // cr11: reserved 0x18, // cr12: PLL power up 0x08, // cr13: reserved 0x00, // cr14: lock detector control 2 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, // cr15-22: reserved 0x70, // cr23: lock detector control 1 0x38, // cr24: autocalibration 0x53, // cr25: autocalibration timer 0x00, // cr26: reserved 0x00, // cr27: LOMON output 0x0a, // cr28: LOMON selection 0x41, // cr29: Demodulation power and filter selection 0x00 // cr30: VGA}; int delay; // Configure SPI interface SSP1STAT = 0b00000000; // SMP=0, CKE=0 SSP1CON1 = 0b00110000; // SSPEN=1, CKP=1 // Enable power and wait for supplies to settle adrf_power_en(); for (delay = 65000; delay; delay--); // Enable SPI mode PORTA |= 0b00111100; // CS off (high) PORTA ^= 0b00111100; // CS on PORTA ^= 0b00111100; // CS off PORTA ^= 0b00111100; // CS on PORTA ^= 0b00111100; // CS off PORTA ^= 0b00111100; // CS on PORTA ^= 0b00111100; // CS off (high)void init_adrf(char channel) { int num; char buf[4]; // Initialise ADRF6850 for (num = 30; num >= 0; num--) { cputs("Write:"); itoa(buf,num,16); cputs(buf); putch('='); itoa(buf,adrf_init[num],16); cputs(buf); cputs("rn"); adrf_write(num, adrf_init[num], channel); // the configuration value } // Wait for PLL to lock (260 us) // Enable VGA adrf_write(0x1e, 0x01, channel); // Enable LOMON adrf_write(0x1b, 0x07, channel);}void adrf_write(unsigned char reg, char value, char channel) { char readbyte; adrf_cs_en(channel); SSP1BUF = ADRF_WRITE; // Write while (!SSP1STATbits.BF); readbyte = SSP1BUF; SSP1BUF = reg; // to register num while (!SSP1STATbits.BF); readbyte = SSP1BUF; SSP1BUF = value; // the configuration value while (!SSP1STATbits.BF); readbyte = SSP1BUF; adrf_cs_dis(channel);}
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