Version 4 SHEET 1 2020 1976 WIRE -2464 224 -2528 224 WIRE -2528 256 -2528 224 WIRE -320 320 -368 320 WIRE -192 320 -240 320 WIRE -64 320 -192 320 WIRE 16 320 -64 320 WIRE -2528 352 -2528 336 WIRE -192 352 -192 320 WIRE -1504 368 -1520 368 WIRE -64 400 -64 320 WIRE -1472 416 -1520 416 WIRE -1744 448 -1776 448 WIRE -1472 448 -1520 448 WIRE -192 448 -192 416 WIRE -1472 480 -1520 480 WIRE -2400 496 -2608 496 WIRE -1744 496 -2240 496 WIRE -1472 512 -1520 512 WIRE -1744 544 -1744 496 WIRE -1472 544 -1520 544 WIRE -2608 560 -2608 496 WIRE -192 560 -192 528 WIRE -64 560 -64 464 WIRE -1520 576 -1520 544 WIRE -672 576 -1520 576 WIRE -2688 608 -2800 608 WIRE -2240 608 -2240 496 WIRE -2240 608 -2528 608 WIRE -1520 608 -1520 576 WIRE -2688 656 -3024 656 WIRE -2320 656 -2512 656 WIRE -1504 672 -1520 672 WIRE -1392 672 -1392 640 WIRE -1744 704 -1792 704 WIRE -2688 784 -2688 704 WIRE -2608 784 -2608 704 WIRE -2608 784 -2688 784 WIRE -2560 784 -2608 784 WIRE -2400 784 -2400 496 WIRE -2400 784 -2560 784 WIRE -1520 784 -1520 752 WIRE -1392 784 -1392 752 WIRE -2560 848 -2560 784 WIRE -2800 944 -2800 608 WIRE -2320 944 -2320 656 WIRE -2320 944 -2800 944 WIRE -1136 960 -1168 960 WIRE -992 960 -1056 960 WIRE -992 976 -992 960 WIRE -992 1072 -992 1056 WIRE -3024 1392 -3024 656 WIRE -672 1392 -672 576 WIRE -672 1392 -3024 1392 FLAG -2528 352 0 FLAG -2464 224 fref FLAG -1392 784 0 FLAG -1392 640 vcc FLAG -1792 704 vco_in FLAG -1472 416 pc1 FLAG -1472 448 pc2 FLAG -1472 480 pcp FLAG -1472 512 v7 FLAG -1776 448 fref IOPIN -1776 448 In FLAG -1520 784 0 FLAG -1504 368 vcc FLAG -992 1072 0 FLAG -1168 960 v7 FLAG -1504 672 vdem FLAG -1472 544 fvco IOPIN -1472 544 Out FLAG -2560 848 0 FLAG -368 320 pc2 IOPIN -368 320 In FLAG 16 320 vco_in IOPIN 16 320 Out FLAG -192 560 0 FLAG -64 560 0 SYMBOL voltage -2528 240 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(0 5 0 50n 50n 0.00003 0.00006) SYMBOL voltage -1392 656 R0 SYMATTR InstName V3 SYMATTR Value 5 SYMBOL res -1040 976 M270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 1.8k SYMBOL voltage -992 960 R0 SYMATTR InstName V2 SYMATTR Value 9 SYMBOL cd4046b_h -1632 320 R0 WINDOW 39 -328 519 Left 0 SYMATTR SpiceLine VCC1=5 FMIN=1.0e4 FMAX=3.0e4 SPEED=1.0 TDEL1=20n TRIPDT1=92n SYMATTR InstName X1 SYMBOL Digital\\dflop -2608 560 R0 WINDOW 3 71 -28 Left 0 SYMATTR InstName A1 SYMATTR Value vhigh=5 SYMBOL res -336 336 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 130k SYMBOL cap -208 352 R0 SYMATTR InstName C1 SYMATTR Value 0.1µ SYMBOL res -208 432 R0 SYMATTR InstName R5 SYMATTR Value 27k SYMBOL cap -80 400 R0 SYMATTR InstName C4 SYMATTR Value 4.7n TEXT -1968 896 Left 0 ;The visible parameters are from the CD4046 model. \nThey can be made invisible in the symbol's dialog.\nTherefore RightMouseClick on the symbol and uncheck it.\n \nFMAX = max. VCO frequency\nFMIN = min. VCO frequency\nTDEL1=20n internal gate delay; don't change it\nTRIPDT1=8n change it to 8n for Fvco>=2.5e5, 8n*2.5e5/Fvco_max\nExample: Fvco_max=1kHz -> TRIPDT=2u TEXT -2128 -112 Left 0 ;The CD4046 PLL\nHelmut Sennewald, V0.8\nPlease refer to TI, Fairchild, Onsemi and Philips datasheets.\nhttp://focus.ti.com/lit/ds/symlink/cd4046b.pdf\nhttp://www.fairchildsemi.com/ds/CD/CD4046BC.pdf\nhttp://www.onsemi.com/pub/Collateral/MC14046B-D.PDF\nhttp://www.semiconductors.philips.com/acrobat_download/datasheets/HEF4046B_CNV_3.pdf\nCheck carefully the datasheets, because there may be differences.\n \nThis is a hierarchical design. You can RightMouseClick \non the instance(symbol) and probe down the hierarchy. \nTo probe signals down the hierarchy requires\nControl Panel -> Save Defaults \n...Save Subcircuit Voltages\n...Save Subcircuit Currents TEXT -1296 376 Left 0 ;Loop Filter\nReference designators according to \nPLL-design program pll.zip from Philips. TEXT -1264 928 Left 0 ;Zener diode TEXT -416 208 Left 0 ;LOOP FILTER \n- This is calculated using R3 around 5 times R2. TEXT -3248 -16 Left 0 !.tran 0 400m 0 1000n TEXT -3248 16 Left 0 !.options plotwinsize=0 TEXT -3248 -48 Left 0 !.options gmin=1e-10 abstol=1e-10 reltol=0.003 RECTANGLE Normal -1168 864 -1968 816