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KB8821 Datasheet(PDF) 19 Page - Samsung semiconductor |
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KB8821 Datasheet(HTML) 19 Page - Samsung semiconductor |
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19 / 21 page ![]() 19 TEL-97-D003 99-06-15 PRELIMINARY SPECIFICATION (V1.5) FREQUENCY SYNTHESIZER KB8821/22/23 Addendum(for 24-QFN package) PIN CONFIGURATION(24-QFN, not to scale) VDD1 Vp1 CPoRF GND finRF finRF GND OSCin GND foLD VDD2 Vp2 CPoIF GND finIF finIF GND LE DATA CLOCK 1 8 24 7 6 5 4 3 2 23 9 22 21 20 19 18 17 16 15 14 13 12 10 11 N/C N/C N/C N/C KB8822 KB8823 Top View KB8821 (24-QFN) Package 24-QFN 24 PIN Quad Flat Non-leaded (Digital) (Digital) (Digital) (Analog) (Analog) * N/C pins must be connected to GND(to Analog GND if possible). 1. pin #10 = pin #19(internally connected). 2. Do not tie up Vp and VDD : Vp is the source of digital noises. The power for analog part is supplied by VDD. If Vp and VDD are tied together, noisy Vp corrupts the power source for the analog part. |
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