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PE43704 Datasheet(PDF) 8 Page - Peregrine Semiconductor |
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PE43704 Datasheet(HTML) 8 Page - Peregrine Semiconductor |
8 / 20 page Document No. DOC-16514-6 | UltraCMOS® RFIC Solutions Page 8 of 20 ©2012-2013 Peregrine Semiconductor Corp. All rights reserved. PE43704 Product Specification Table 9. Serial Attenuation Word Truth Table Parallel Control Setting Attenuation Setting RF1-RF2 D6 D5 D4 D3 D2 D1 D0 L L L L L L L Reference I.L. L L L L L L H 0.25 dB L L L L L H L 0.5 dB L L L L H L L 1 dB L L L H L L L 2 dB L L H L L L L 4 dB L H L L L L L 8 dB H L L L L L L 16 dB H H H H H H H 31.75 dB Table 8. Parallel Truth Table Attenuation Word D7 D6 D5 D4 D3 D2 D1 D0 (LSB) L L L L L L L L Reference I.L. L L L L L L L H 0.25 dB L L L L L H L L 1 dB L L L L H L L L 2 dB L L L H L L L L 4 dB L L H L L L L L 8 dB L H L L L L L L 16 dB L H H H H H H H 31.75 dB Attenuation Setting RF1-RF2 L L L L L L H L 0.5 dB Address Word Address Setting A7 (MSB) A6 A5 A4 A3 A2 A1 A0 X X X X X L L L 000 X X X X X L L H 001 X X X X X L H L 010 X X X X X L H H 011 X X X X X H L L 100 X X X X X H L H 101 X X X X X H H L 110 X X X X X H H H 111 Table 10. Serial Address Word Truth Table Table 11. Serial-Addressable Register Map Q15 Q14 Q13 Q12 Q11 Q10 A7 A6 A5 A4 A3 A2 Q9 Q8 Q7 Q6 Q5 Q4 A1 A0 D7 D6 D5 D4 Q3 Q2 Q1 Q0 D3 D2 D1 D0 Address Word Attenuation Word LSB (first in) MSB (last in) Bits can either be set to logic high or logic low Attenuation Word is derived directly from the attenuation value. For example, to program the 18.25 dB state at address 3: Address word: XXXXX011 Attenuation Word: Multiply by 4 and convert to binary → 4 * 18.25 dB → 73 → 01001001 Serial Input: XXXXX01101001001 D7 must be set to logic low Logo updated under non-rev change. Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com |
Similar Part No. - PE43704_14 |
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Similar Description - PE43704_14 |
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