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GS9015BCTJ датащи(PDF) 9 Page - Gennum Corporation |
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GS9015BCTJ датащи(HTML) 9 Page - Gennum Corporation |
9 / 13 page 9 of 13 32467 - 0 NOT RECOMMENDED FOR NEW DESIGNS TEST SETUP Figure 12 shows a typical circuit for the GS9015B using a +5 volt supply. Figure 13 shows the GS9015B connections when using a -5 volt supply. The 0.1µF decoupling capacitors must be placed as close as possible to the corresponding VCC pins. The layout of the loop filter and RVCO components requires careful attention. This has been detailed in an application note entitled "Optimizing Circuit and Layout Design of the GS9005A/15A", Document No. 521 - 32 - 00. The loop voltage can be conveniently measured across the 10 nF capacitor in the loop filter. Tuning procedures are described in the Temperature Compensation Section (page 11). The fixed value frequency setting resistors should be placed close to the corresponding pins on the GS9015B. The Carrier Detect is an open-collector active high output requiring a pull-up resistor of approximately 10 k Ω. The SS0, SS1, and CD pins should see a low AC impedance. This is particularly important when driving the SS0, SS1 pins with external logic. The use of 1nF decoupling capacitors at these pins ensures this. Fig. 12 GS9015BTypical Test Circuit Using +5V Supply All resistors in ohms, all capacitors in microfarads unless otherwise stated. ECL DATA INPUTS 0.1µ 100 100 100 100 390 390 390 390 DATA DATA CLOCK CLOCK 25 24 23 22 21 20 19 5 6 7 8 9 10 11 4 3 2 1 28 27 26 12 13 14 15 16 17 18 910 5.6p 10n See Figure 15 +5V ÷1 ÷2 0.1µ 10k CARRIER DETECT OUTPUT +5V +5V +5V +5V GS9015B SDO SDO SCO SCO SS1 SS0 CD STAR ROUTED LOOP VOLTAGE TEST POINT 0.1µ DD I DD I VCC1 VEE1 VEE1 ƒ/2 VEE3 |
Аналогичный номер детали - GS9015BCTJ |
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Аналогичное описание - GS9015BCTJ |
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