Collins_618S-1_618S-1A_user.pdf

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1、T.O. 12R2-4-6-2 COLLINS 618S-1 618S-1A HF TRANCEIVER AM / CW, 2 TO 25MHz, 4 Bands, 144 Channels Also in this document: Hookup and Channel Selection Notes ARC-38 PTO Schematic for Continuous Coverage BASIC Programs for Frequency and Crystal Calculations Scanned by Patrick Jankowiak KD5OEI Document No

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6、end of time. 618S-1 Crystal and Frequency Calculators Today, a spreadsheet would be used to do this. These were created back in ancient times when spradsheet software (and most computers) cost so much no one could afford them. They are in the BASIC programming language which is easy to understand. T

7、his program lets you put in a crystal frequency and then tells you what frequency the 618S-1 will be on. 10 CLS 20 SCREEN 1 30 PRINTanother fine program by Patrick Jankowiak KD5OEI 40 PRINT 50 PRINTfree to public domain - calculator for 618S-1 55 PRINT 60 PRINTOPERATING FREQUENCIES FOR SELECTED CRYS

8、TAL FREQUENCIES FOR THE 618S-1 70 PRINTENTER CRYSTAL FREQUENCIES FROM 1.75 TO 3.5 IN MEGAHERTZ 80 LPRINTOPERATING FREQUENCIES FOR SELECTED CRYSTALS FOR THE 618S-1 90 PRINTenter 0 to quit 100 LPRINT by Patrick Jankowiak 110 PRINTCRYSTAL,BAND 1,BAND 2,BAND 3,BAND 4 120 LPRINTCRYSTAL,BAND 1,BAND 2,BAND

9、 3,BAND 4 130 INPUT FC 140 IF FC = 0 THEN GOTO 270 150 IF FC 3.5 THEN GOSUB 240 170 F1 = FC + .25 180 F2 = FC + .25 + FC 190 F3 = FC + .25 + (3 * FC) 200 F4 = FC + .25 + (7 * FC) 210 PRINT FC, F1, F2, F3, F4 220 LPRINT FC, F1, F2, F3, F4 230 GOTO 130 240 PRINTSPECIFIED OSCILLATOR RANGE IS 1.75 TO 3.

10、5 MHz 250 LPRINTspecified range is 1.75 to 3.5 MHz 260 RETURN 270 END This program lets you put in a frequency and tells you what crystal to use. 10 CLS 20 SCREEN 2 30 PRINTanother fine program by Patrick Jankowiak KD5OEI 40 PRINT 50 PRINTfree to public domain - calculator for 618S-1 55 PRINT 60 PRI

11、NTCRYSTAL FREQUENCIES NEEDED FOR SPECIFIC 618S-1 OPERATING FREQUENCIES 70 PRINTENTER OPERATING FREQUENCIES IN MEGAHERTZ 80 PRINTENTER 0 TO QUIT 90 LPRINTCRYSTAL FREQUENCIES NEEDED FOR 618S-1 OPERATING FREQUENCIES 100 LPRINT by Patrick Jankowiak 110 PRINTOPERATING FREQUENCY,CRYSTAL FREQUENCY 120 LPRI

12、NTOPERATING FREQUENCY,CRYSTAL FREQUENCY 130 INPUT FO 140 IF FO = 0 THEN GOTO 300 150 IF FO25 THEN GOSUB 270 170 IF FO3.74999999# THEN FX=(FO-.25)/2 190 IF FO7.25 THEN FX=(FO-.25)/4 200 IF FO14.25 THEN FX=(FO-.25)/8 210 PRINT FO,FX:LPRINT FO,FX 220 FO=0 230 GOTO 130 240 IF FO2 THEN PRINTthe 618S1 Minimum frequency is 2 mhz. 250 IF FO25 THEN PRINTThe 618S1 maximum frequency is 25 MHz. 280 IF FO25 THEN LPRINT FO MHz is above designed range of 618S1 by (FO/25)*100)-100) %. 290 RETURN 300 END