PLL designs based on SAA1057 PLL chip, controlled by a PIC16F84

Weather satellite receiver pll, 137 - 141 MHz
0.512 - 30 MHz
512 - 1710 kHz
72 - 92 MHz & 87.50 - 108 MHz

PIC16F84 & SAA1057 weather satellite PLL

updated 6
-- Click on hex code for downloading --

receiver pll circuit diagram

PIC16F84 & SAA1057 HF Tx PLL, 0.512 - 30 MHz

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circuit diagram

PIC16F84 & SAA1057 AM Tx PLL, 512 - 1710 kHz

updated 24

SAA1057 AM PLL, LCD readout

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circuit diagram

PIC16F84 & SAA1057 FM PLL, 87.50 - 108 MHz / 72 - 92 MHz

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circuit diagram
SAA1057 & PIC
SAA1057 & PIC16F84
Layout example
Layout example
 photo
Prototype
 PCB
Layout size = 80 x 40mm