PLL digital tuning

PLL digital tuning

Resistors:
R31 - 1k
R32 - 4k7
R33, R37 - 10k
R34, R35 - 1k
R36 - 470
R38 - 47k

Capacitors:
C31, C42 - 2,2 nF
C32, C40 - 10 nF
C33 - 47 uF
C34 - 10 uF tantal
C35 - 0,47 uF
C36, C41 - 100 nF
C37 - 1 nF
C38 - 220 uF
C39 - 22 pF

Misc:
IC31 - SAA1057
IC32 - PIC16F84-04 + socket
IC33 - 78L05
X31 - 4 MHz crystal
D31 - LED diode
Tl31 - button
Jumpers 2x8 pins or DIP switches